Pacific Ocean
Indian Ocean
Marine Biology
Atlantic Ocean
Prochlorococcus
Phytoplankton
Plankton
Inorganic Chemicals
Geologic Sediments
Animal Migration
Ecosystem
Hydrothermal Vents
Perciformes
Gammaproteobacteria
RNA, Ribosomal, 16S
Water Microbiology
Geography
Pacific Islands
Oceans and Seas
DNA, Ribosomal
Biodiversity
Fisheries
Sequence Analysis, DNA
Archaeoglobus
Cesium Radioisotopes
Polychaeta
Fishes
Food Chain
Bacteria
Molecular Sequence Data
Predatory Behavior
Climate
Rhodospirillaceae
Genes, rRNA
Nitrogen Fixation
Biomass
Archaea
Heterotrophic Processes
RNA, Ribosomal, 18S
Antarctic Regions
Water Movements
Eukaryota
Conservation of Natural Resources
Carbon
Atmosphere
Hawaii
Population Dynamics
Cyanobacteria
Diversity of dissimilatory bisulfite reductase genes of bacteria associated with the deep-sea hydrothermal vent polychaete annelid Alvinella pompejana. (1/662)
A unique community of bacteria colonizes the dorsal integument of the polychaete annelid Alvinella pompejana, which inhabits the high-temperature environments of active deep-sea hydrothermal vents along the East Pacific Rise. The composition of this bacterial community was characterized in previous studies by using a 16S rRNA gene clone library and in situ hybridization with oligonucleotide probes. In the present study, a pair of PCR primers (P94-F and P93-R) were used to amplify a segment of the dissimilatory bisulfite reductase gene from DNA isolated from the community of bacteria associated with A. pompejana. The goal was to assess the presence and diversity of bacteria with the capacity to use sulfate as a terminal electron acceptor. A clone library of bisulfite reductase gene PCR products was constructed and characterized by restriction fragment and sequence analysis. Eleven clone families were identified. Two of the 11 clone families, SR1 and SR6, contained 82% of the clones. DNA sequence analysis of a clone from each family indicated that they are dissimilatory bisulfite reductase genes most similar to the dissimilatory bisulfite reductase genes of Desulfovibrio vulgaris, Desulfovibrio gigas, Desulfobacterium autotrophicum, and Desulfobacter latus. Similarities to the dissimilatory bisulfite reductases of Thermodesulfovibrio yellowstonii, the sulfide oxidizer Chromatium vinosum, the sulfur reducer Pyrobaculum islandicum, and the archaeal sulfate reducer Archaeoglobus fulgidus were lower. Phylogenetic analysis separated the clone families into groups that probably represent two genera of previously uncharacterized sulfate-reducing bacteria. The presence of dissimilatory bisulfite reductase genes is consistent with recent temperature and chemical measurements that documented a lack of dissolved oxygen in dwelling tubes of the worm. The diversity of dissimilatory bisulfite reductase genes in the bacterial community on the back of the worm suggests a prominent role for anaerobic sulfate-reducing bacteria in the ecology of A. pompejana. (+info)Pathogenicity of Ichthyophonus hoferi for laboratory-reared Pacific herring Clupea pallasi and its early appearance in wild Puget Sound herring. (2/662)
Laboratory-reared pathogen-free Pacific herring were exposed to pure cultures of Ichthyophonus hoferi, and reproduced the disease seen in naturally infected fish--thus fulfilling Koch's Postulates. Pathogen-free herring used in this study were reared from artificially spawned eggs incubated in filtered, UV-sterilized seawater, eliminating the variables associated with multiple infections, which are common in wild herring. Wild free-ranging herring were captured monthly from June through October by dip net from 'herring balls' located in the northern Puget Sound. I. hoferi infections were identified in these fish soon after metamorphoses, about 4 mo post-hatch. The prevalence increased from 5 to 6% in 0-yr fish to 24% in 1-yr-old fish to 50 to 70% in fish over 2 yr old, with no associated increase in mortality. The route of natural transmission to wild herring was not determined, but carnivorous fish became infected and died when they were experimentally fed tissues infected with the organism. In vitro culture of tissues was the most sensitive method for identifying both clinical and subclinical infections. (+info)Non-purulent meningoencephalomyelitis of a Pacific striped dolphin (Lagenorhynchus obliquidens). The first evidence of morbillivirus infection in a dolphin at the Pacific Ocean around Japan. (3/662)
On March 22, 1998, a mature, male, hyposthenic Pacific striped dolphin (Lagenorhynchus obliquidens) was stranded at Aoshima Beach in Miyazaki prefecture, Japan. A necropsy performed 14 hr after death revealed mild diffuse congestion and edema of the leptomeninges and mild pulmonary atelectasis. Histopathologically, non-purulent inflammatory were observed throughout the cerebrum, thalamus, midbrain, pons, medulla oblongata, and spinal cord. Hematoxylin and eosin stain revealed no viral inclusion bodies. Immunohistochemistry using a monoclonal antibody against nucleoprotein of canine distemper virus (CDV-NP) revealed a number of CDV-NP-positive granular deposits in the cytoplasm and cell processes of the degenerating or intact neurons. The present paper is a first report of spontaneously occurred morbillivirus infection in a dolphin at the Pacific Ocean around Japan. (+info)Diversity of nitrous oxide reductase (nosZ) genes in continental shelf sediments. (4/662)
Diversity of the nitrous oxide reductase (nosZ) gene was examined in sediments obtained from the Atlantic Ocean and Pacific Ocean continental shelves. Approximately 1,100 bp of the nosZ gene were amplified via PCR, using nosZ gene-specific primers. Thirty-seven unique copies of the nosZ gene from these marine environments were characterized, increasing the nosZ sequence database fourfold. The average DNA similarity for comparisons between all 49 variants of the nosZ gene was 64% +/- 10%. Alignment of the derived amino acid sequences confirmed the conservation of important structural motifs. A highly conserved region is proposed as the copper binding, catalytic site (CuZ) of the mature protein. Phylogenetic analysis demonstrated three major clusters of nosZ genes, with little overlap between environmental and culture-based groups. Finally, the two non-culture-based gene clusters generally corresponded to sampling location, implying that denitrifier communities may be restricted geographically. (+info)Methanococcus vulcanius sp. nov., a novel hyperthermophilic methanogen isolated from East Pacific Rise, and identification of Methanococcus sp. DSM 4213T as Methanococcus fervens sp. nov. (5/662)
An autotrophic, hyperthermophilic methanogen (M7T) was isolated from a deep-sea hydrothermal chimney sample collected on the East Pacific Rise at a depth of 2600 m. The coccoid-shaped cells are flagellated and exhibit a slight tumbling motility. The temperature range for growth at pH 6.5 was 49-89 degrees C, with optimum growth at 80 degrees C. The optimum pH for growth was 6.5, and the optimum NaCl concentration for growth was around 25 g l-1. The new isolate used H2 and CO2 as the only substrates for growth and methane production. Tungsten, selenium and yeast extract stimulated growth significantly. In the presence of CO2 and H2, the organism reduced elemental sulphur to hydrogen sulphide. Growth was inhibited by chloramphenicol and rifampicin, but not by ampicillin, kanamycin, penicillin and streptomycin. The G + C content of the genomic DNA was 31 mol%. As determined by 16S rDNA gene sequence analysis, this organism was closely related to Methanococcus jannaschii strain JAL-1T. However, despite the high percentage of similarity between their 16S rDNA sequences (97.1%), the DNA-DNA hybridization levels between these strains were less than 5%. On the basis of these observations and physiological traits, it is proposed that this organism should be placed in a new species, Methanococcus vulcanius. The type strain is M7T (= DSM 12094T). During the course of this study, the 16S rDNA sequence analysis placed Methanococcus sp. strain AG86T (= DSM 4213T) as a close relative of M. jannaschii strain JAL-1T. However, the weak level of DNA-DNA hybridization with this strain (< 10%) allowed the proposal that strain AG86T also constitutes a new species, Methanococcus fervens. (+info)Rapid identification of hyperthermophilic methanococci isolated from deep-sea hydrothermal vents. (6/662)
16S rDNAs amplified by PCR from 22 hyperthermophilic methanococci isolated from deep-sea hydrothermal vents were compared with those of the six type strains of the genus Methanococcus by RFLP analysis. Restriction fragments obtained with Haelli enabied four of the type species to be distinguished. Restrictions with HhaI, BstUI and MspI were necessary to differentiate Methanococcus jannaschii and Methanococcus fervens. The results indicate that the 16S rDNA PCR-RFLP method provides a rapid and reliable tool for the identification of newly isolated hyperthermophilic Methanococcus spp. (+info)Climate and satellite indicators to forecast Rift Valley fever epidemics in Kenya. (7/662)
All known Rift Valley fever virus outbreaks in East Africa from 1950 to May 1998, and probably earlier, followed periods of abnormally high rainfall. Analysis of this record and Pacific and Indian Ocean sea surface temperature anomalies, coupled with satellite normalized difference vegetation index data, shows that prediction of Rift Valley fever outbreaks may be made up to 5 months in advance of outbreaks in East Africa. Concurrent near-real-time monitoring with satellite normalized difference vegetation data may identify actual affected areas. (+info)Epizootiology of viral hemorrhagic septicemia virus in Pacific herring from the spawn-on-kelp fishery in Prince William Sound, Alaska, USA. (8/662)
Both the prevalence and tissue titer of viral hemorrhagic septicemia virus (VHSV) increased in Pacific herring Clupea pallasi following their introduction into net pens (pounds) used in the closed pound spawn-on-kelp (SOK) fishery in Prince William Sound, Alaska. VHSV was also found in water samples from inside and outside the SOK pounds after herring had been confined for several days; however, water samples taken near wild free-ranging, spawning herring either failed to test positive or tested weakly positive for virus. Little or no virus was found in tissue samples from free-ranging, spawning herring captured from the vicinity of the pounds, nor did the prevalence of VHSV increase following spawning as it did in impounded herring. The data indicated that increased prevalences of VHSV were correlated with confinement of herring for the closed pound SOK fishery and that infection was spread within the pounds through waterborne exposure to virus particles originating from impounded fish. In addition, pounds containing predominantly young fish had higher prevalences of VHSV, suggesting that older fish may be partially immune, perhaps as a result of previous infection with the virus. Operation of SOK pounds during spawning seasons in which young herring predominate may amplify the disease and possibly exacerbate the population fluctuations observed in wild herring stocks. (+info)I'm sorry for any confusion, but the term "Pacific Ocean" is a geographical term referring to the largest single body of saltwater on Earth, extending from the Arctic in the north to the Antarctic in the south. It covers an area of about 63,800,000 square miles (165,200,000 square kilometers).
If you're looking for a medical term or definition, I'd be happy to help with that as well. Could you please provide more context?
I'm sorry for any confusion, but the term "Indian Ocean" is not a medical concept or condition. It is a geographical term referring to the third largest of the world's five oceans, situated between southeastern Africa, the Southern Asian landmass, and Australia. It is bounded on the north by the Indian subcontinent and Southeast Asia, on the west by eastern Africa, on the east by the Malay Peninsula, Indonesia, and Australia, and on the south by the Southern Ocean or Antarctica.
If you have any medical questions or terms you would like defined, I'd be happy to help!
Seawater is not a medical term, but it is a type of water that covers more than 70% of the Earth's surface. Medically, seawater can be relevant in certain contexts, such as in discussions of marine biology, environmental health, or water safety. Seawater has a high salt content, with an average salinity of around 3.5%, which is much higher than that of freshwater. This makes it unsuitable for drinking or irrigation without desalination.
Exposure to seawater can also have medical implications, such as in cases of immersion injuries, marine envenomations, or waterborne illnesses. However, there is no single medical definition of seawater.
I apologize for the confusion, but "Marine Biology" is not a medical term. Instead, it is a branch of biology that deals with the study of marine organisms, their behaviors, and their interactions with the marine environment. Marine biologists investigate various aspects of marine life, such as the ecology, physiology, and genetics of marine plants, animals, and microorganisms. They also study the impact of human activities on marine ecosystems and work towards conservation efforts to protect these environments.
I'm sorry for any confusion, but the term "Atlantic Ocean" is a geographical term referring to one of the five oceans on Earth. It doesn't have a medical definition. The Atlantic Ocean is the second largest ocean, covering approximately 20% of the Earth's surface. It stretches from the Arctic Ocean in the north to the Southern Ocean (or, alternatively, to the Antarctica region) in the south, and is bounded by the Americas to the west and Europe and Africa to the east.
Prochlorococcus is not a medical term, but a scientific name for a type of marine cyanobacteria (blue-green algae) that are among the most abundant photosynthetic organisms on Earth. They play a significant role in global carbon and oxygen cycling. These bacteria are extremely small, typically less than 1 micrometer in diameter, and are found throughout the world's oceans, particularly in warm, sunlit surface waters. Prochlorococcus species contain chlorophyll a and b, but lack phycobiliproteins, which distinguishes them from other cyanobacteria. They have been widely studied for their ecological importance and as model organisms to understand the molecular biology of photosynthesis and other cellular processes in marine environments.
Phytoplankton are microscopic photosynthetic organisms that live in watery environments such as oceans, seas, lakes, and rivers. They are a diverse group of organisms, including bacteria, algae, and protozoa. Phytoplankton are a critical component of the marine food chain, serving as primary producers that convert sunlight, carbon dioxide, and nutrients into organic matter through photosynthesis. This organic matter forms the base of the food chain and supports the growth and survival of many larger organisms, including zooplankton, fish, and other marine animals. Phytoplankton also play an important role in global carbon cycling and help to regulate Earth's climate by absorbing carbon dioxide from the atmosphere and releasing oxygen.
Plankton is not a medical term, but it is a term used in the field of marine biology. Plankton are tiny organisms that live in water and are unable to move independently against the current or tide. They include both plants (phytoplankton) and animals (zooplankton). Phytoplankton are photosynthetic and serve as the base of the ocean food chain, while zooplankton consume phytoplankton and in turn serve as a food source for larger animals. Plankton are important for understanding the health and productivity of aquatic ecosystems.
I'm sorry for any confusion, but the term "Tuna" is not typically used in medical definitions. It is most commonly known as a type of large, ocean-dwelling fish that belongs to the family Scombridae and the genus Thunnus. Some species of tuna, like bluefin tuna, are highly prized for their meat, which is often consumed raw as sushi or sashimi.
If you have any questions related to medical terminology or health concerns, please don't hesitate to ask!
Phylogeny is the evolutionary history and relationship among biological entities, such as species or genes, based on their shared characteristics. In other words, it refers to the branching pattern of evolution that shows how various organisms have descended from a common ancestor over time. Phylogenetic analysis involves constructing a tree-like diagram called a phylogenetic tree, which depicts the inferred evolutionary relationships among organisms or genes based on molecular sequence data or other types of characters. This information is crucial for understanding the diversity and distribution of life on Earth, as well as for studying the emergence and spread of diseases.
I must clarify that "Inorganic Chemicals" is a broad term related to the field of chemistry and not specifically within the realm of medicine. However, I can provide a general definition for you:
Inorganic chemicals are chemical substances that primarily consist of matter other than carbon-based compounds. They include metallic and non-metallic elements, along with their compounds, excluding carbon-hydrogen bonds (organic compounds). Examples of inorganic chemicals are salts, acids, and bases, as well as metal alloys and oxides.
In the context of medicine, certain inorganic chemicals can be used in medical treatments, such as lithium carbonate for bipolar disorder or potassium chloride as an electrolyte replenisher. However, some inorganic chemicals can also pose health risks depending on the type and level of exposure. For instance, lead and mercury are toxic heavy metals that can cause serious health problems if ingested or inhaled.
I'm sorry for any confusion, but "geologic sediments" is not a term used in medical definitions. Geological sediments are deposits of material that accumulate over time, usually in layers, as a result of natural geological processes such as weathering, erosion, and deposition. These sediments can eventually become rock formations and provide important clues about the Earth's history, including information about past climates, environments, and life on Earth.
Animal migration is a seasonal movement of animals from one place to another, typically over long distances, to find food, reproduce, or escape harsh conditions. This phenomenon is observed in various species, including birds, mammals, fish, and insects. The routes and destinations of these migrations are often genetically programmed and can be quite complex. Animal migration has important ecological consequences and is influenced by factors such as climate change, habitat loss, and human activities.
An "ecosystem" is not a term that has a specific medical definition, as it is a concept that is more commonly used in the fields of ecology and environmental science. However, I can provide you with the general ecological definition of an ecosystem:
An ecosystem is a community of living organisms interacting with each other and their non-living environment, including both biotic factors (plants, animals, microorganisms) and abiotic factors (climate, soil, water, and air). These interactions create a complex network of relationships that form the foundation of ecological processes, such as energy flow, nutrient cycling, and population dynamics.
While there is no direct medical definition for an ecosystem, understanding the principles of ecosystems can have important implications for human health. For example, healthy ecosystems can provide clean air and water, regulate climate, support food production, and offer opportunities for recreation and relaxation, all of which contribute to overall well-being. Conversely, degraded ecosystems can lead to increased exposure to environmental hazards, reduced access to natural resources, and heightened risks of infectious diseases. Therefore, maintaining the health and integrity of ecosystems is crucial for promoting human health and preventing disease.
I'm sorry for any confusion, but the term "hydrothermal vents" is not typically used in medical definitions. Hydrothermal vents are a geological phenomenon found on the ocean floor, where heated water rich in minerals from the Earth's crust escapes into the ocean. They are of interest in various scientific fields, including geology, marine biology, and astrobiology, but they do not have a direct relevance to medical definitions.
I'm sorry for any confusion, but "Perciformes" is not a medical term. It is a term used in the field of biology, specifically in taxonomy and ichthyology (the study of fish). Perciformes is an order of ray-finned bony fishes that includes over 10,000 species, making it the largest order of vertebrates. Examples of fish within this order include perch, sea bass, sunfish, and tuna.
Gammaproteobacteria is a class of proteobacteria, a group of Gram-negative bacteria. This class includes several important pathogens that can cause various diseases in humans, animals, and plants. Some examples of Gammaproteobacteria include Escherichia coli (a common cause of food poisoning), Pseudomonas aeruginosa (a leading cause of hospital-acquired infections), Vibrio cholerae (the causative agent of cholera), and Yersinia pestis (the bacterium that causes plague).
Gammaproteobacteria are characterized by their single flagellum, which is used for motility, and their outer membrane, which contains lipopolysaccharides that can elicit an immune response in host organisms. They are found in a wide range of environments, including soil, water, and the guts of animals. Some species are capable of fixing nitrogen, making them important contributors to nutrient cycling in ecosystems.
It's worth noting that while Gammaproteobacteria includes many pathogenic species, the majority of proteobacteria are not harmful and play important roles in various ecological systems.
'Aquatic organisms' are living beings that inhabit bodies of water, such as oceans, seas, lakes, rivers, and ponds. This group includes a wide variety of species, ranging from tiny microorganisms like plankton to large marine mammals like whales. Aquatic organisms can be divided into several categories based on their specific adaptations to their environment, including:
1. Plankton: small organisms that drift with the water currents and include both plants (phytoplankton) and animals (zooplankton).
2. Nekton: actively swimming aquatic organisms, such as fish, squid, and marine mammals.
3. Benthos: organisms that live on or in the bottom of bodies of water, including crustaceans, mollusks, worms, and some types of algae.
4. Neuston: organisms that live at the air-water interface, such as certain species of insects and small fish.
Aquatic organisms play a critical role in maintaining the health and balance of aquatic ecosystems, providing food and habitat for other species, and contributing to global nutrient cycling and climate regulation.
I believe there might be a misunderstanding in your question. The term "otters" refers to a group of aquatic mammals, and it does not have a medical definition. If you are referring to a medical term that may sound similar, please provide more context or check the spelling.
Ribosomal RNA (rRNA) is a type of RNA that combines with proteins to form ribosomes, which are complex structures inside cells where protein synthesis occurs. The "16S" refers to the sedimentation coefficient of the rRNA molecule, which is a measure of its size and shape. In particular, 16S rRNA is a component of the smaller subunit of the prokaryotic ribosome (found in bacteria and archaea), and is often used as a molecular marker for identifying and classifying these organisms due to its relative stability and conservation among species. The sequence of 16S rRNA can be compared across different species to determine their evolutionary relationships and taxonomic positions.
Water microbiology is not a formal medical term, but rather a branch of microbiology that deals with the study of microorganisms found in water. It involves the identification, enumeration, and characterization of bacteria, viruses, parasites, and other microscopic organisms present in water sources such as lakes, rivers, oceans, groundwater, drinking water, and wastewater.
In a medical context, water microbiology is relevant to public health because it helps to assess the safety of water supplies for human consumption and recreational activities. It also plays a critical role in understanding and preventing waterborne diseases caused by pathogenic microorganisms that can lead to illnesses such as diarrhea, skin infections, and respiratory problems.
Water microbiologists use various techniques to study water microorganisms, including culturing, microscopy, genetic analysis, and biochemical tests. They also investigate the ecology of these organisms, their interactions with other species, and their response to environmental factors such as temperature, pH, and nutrient availability.
Overall, water microbiology is a vital field that helps ensure the safety of our water resources and protects public health.
I'm sorry for any confusion, but "geography" is not a term that has a medical definition. Geography is a field of study that deals with the location and distribution of physical and cultural features on Earth's surface, as well as how humans interact with and affect those features. It is not a concept that is typically used in a medical context. If you have any questions related to medicine or healthcare, I would be happy to try to help answer them for you!
I'm sorry for any confusion, but "Pacific Islands" is a geographic term referring to the islands located in the Pacific Ocean, and it is not a medical term. It includes thousands of islands spread across the Pacific Ocean, which are categorized into three main groups: Melanesia, Micronesia, and Polynesia.
If you have any medical terms you'd like defined, please let me know!
I'm sorry for any confusion, but "Oceans and Seas" are not medical terms. Generally speaking, an ocean is a large body of saltwater that covers a majority of the Earth's surface, and a sea is a smaller body of saltwater that may be partially enclosed by land. However, if you have any questions related to marine biology or environmental science, I would be happy to try and help answer those for you!
Ribosomal DNA (rDNA) refers to the specific regions of DNA in a cell that contain the genes for ribosomal RNA (rRNA). Ribosomes are complex structures composed of proteins and rRNA, which play a crucial role in protein synthesis by translating messenger RNA (mRNA) into proteins.
In humans, there are four types of rRNA molecules: 18S, 5.8S, 28S, and 5S. These rRNAs are encoded by multiple copies of rDNA genes that are organized in clusters on specific chromosomes. In humans, the majority of rDNA genes are located on the short arms of acrocentric chromosomes 13, 14, 15, 21, and 22.
Each cluster of rDNA genes contains both transcribed and non-transcribed spacer regions. The transcribed regions contain the genes for the four types of rRNA, while the non-transcribed spacers contain regulatory elements that control the transcription of the rRNA genes.
The number of rDNA copies varies between species and even within individuals of the same species. The copy number can also change during development and in response to environmental factors. Variations in rDNA copy number have been associated with various diseases, including cancer and neurological disorders.
Biodiversity is the variety of different species of plants, animals, and microorganisms that live in an ecosystem. It also includes the variety of genes within a species and the variety of ecosystems (such as forests, grasslands, deserts, and oceans) that exist in a region or on Earth as a whole. Biodiversity is important for maintaining the health and balance of ecosystems, providing resources and services such as food, clean water, and pollination, and contributing to the discovery of new medicines and other useful products. The loss of biodiversity can have negative impacts on the functioning of ecosystems and the services they provide, and can threaten the survival of species and the livelihoods of people who depend on them.
I'm sorry for any confusion, but "Fisheries" is not a term typically used in medical definitions. Fisheries are places or practices concerned with the catching, processing, or selling of fish, shellfish, and other forms of aquatic life. They can refer to commercial operations, recreational activities, or scientific research related to aquatic species. If you have any questions about medical terminology or concepts, I'd be happy to help answer those for you!
DNA Sequence Analysis is the systematic determination of the order of nucleotides in a DNA molecule. It is a critical component of modern molecular biology, genetics, and genetic engineering. The process involves determining the exact order of the four nucleotide bases - adenine (A), guanine (G), cytosine (C), and thymine (T) - in a DNA molecule or fragment. This information is used in various applications such as identifying gene mutations, studying evolutionary relationships, developing molecular markers for breeding, and diagnosing genetic diseases.
The process of DNA Sequence Analysis typically involves several steps, including DNA extraction, PCR amplification (if necessary), purification, sequencing reaction, and electrophoresis. The resulting data is then analyzed using specialized software to determine the exact sequence of nucleotides.
In recent years, high-throughput DNA sequencing technologies have revolutionized the field of genomics, enabling the rapid and cost-effective sequencing of entire genomes. This has led to an explosion of genomic data and new insights into the genetic basis of many diseases and traits.
'Archaeoglobus' is a genus of archaea, which are single-celled microorganisms that lack cell nuclei and are distinct from bacteria and eukaryotes. Archaeoglobus species are extremophiles, meaning they thrive in extreme environments that are hostile to most other forms of life.
Archaeoglobus species are found in deep-sea hydrothermal vents, where they obtain energy by oxidizing sulfur compounds and reducing sulfate to produce hydrogen sulfide. They are also found in hot oil reservoirs, where they can degrade crude oil and contribute to the souring of oil wells.
Archaeoglobus species have a unique metabolism that is distinct from other archaea and bacteria. They possess a variety of enzymes that allow them to thrive in extreme environments, including high temperatures, pressures, and acidity. These adaptations make Archaeoglobus species important models for studying the evolution and ecology of extremophilic microorganisms.
Cesium radioisotopes are different forms of the element cesium that have unstable nuclei and emit radiation. Some commonly used medical cesium radioisotopes include Cs-134 and Cs-137, which are produced from nuclear reactions in nuclear reactors or during nuclear weapons testing.
In medicine, cesium radioisotopes have been used in cancer treatment for the brachytherapy of certain types of tumors. Brachytherapy involves placing a small amount of radioactive material directly into or near the tumor to deliver a high dose of radiation to the cancer cells while minimizing exposure to healthy tissues.
Cesium-137, for example, has been used in the treatment of cervical, endometrial, and prostate cancers. However, due to concerns about potential long-term risks associated with the use of cesium radioisotopes, their use in cancer therapy is becoming less common.
It's important to note that handling and using radioactive materials requires specialized training and equipment to ensure safety and prevent radiation exposure.
I'm sorry for any confusion, but "Polychaeta" is not a medical term. It is a taxonomic category in zoology, specifically referring to a class of annelid worms commonly known as bristle worms or polychaetes. These are segmented worms that have pairs of fleshy protrusions called parapodia on most or all segments, which they use for locomotion. Some species live in marine environments, while others can be found in fresh water or even terrestrial habitats. If you have a medical term you would like me to define, I'd be happy to help!
I believe there may be a misunderstanding in your question. The term "fishes" is not typically used in a medical context. "Fish" or "fishes" refers to any aquatic organism belonging to the taxonomic class Actinopterygii (bony fish), Chondrichthyes (sharks and rays), or Agnatha (jawless fish).
However, if you are referring to a condition related to fish or consuming fish, there is a medical issue called scombroid fish poisoning. It's a foodborne illness caused by eating spoiled or improperly stored fish from the Scombridae family, which includes tuna, mackerel, and bonito, among others. The bacteria present in these fish can produce histamine, which can cause symptoms like skin flushing, headache, diarrhea, and itchy rash. But again, this is not related to the term "fishes" itself but rather a condition associated with consuming certain types of fish.
I'm sorry for any confusion, but the term "food chain" is not typically used in a medical context. It is a concept from ecology that describes the sequence of organisms through which food and energy pass as one organism eats another.
However, if you're referring to "food web" or "dietary intake," these terms might be more applicable in a medical context. For instance, dietary intake refers to what and how much a person consumes, which can have significant implications for their health. A food web, on the other hand, is a more complex network of relationships between different species that consume and are consumed by others, which can help researchers understand the impacts of changes in one species' population or behavior on others within an ecosystem.
If you meant to ask about something else, please provide more context or clarify your question, and I will do my best to provide a helpful answer!
Base composition in genetics refers to the relative proportion of the four nucleotide bases (adenine, thymine, guanine, and cytosine) in a DNA or RNA molecule. In DNA, adenine pairs with thymine, and guanine pairs with cytosine, so the base composition is often expressed in terms of the ratio of adenine + thymine (A-T) to guanine + cytosine (G-C). This ratio can vary between species and even between different regions of the same genome. The base composition can provide important clues about the function, evolution, and structure of genetic material.
Bacteria are single-celled microorganisms that are among the earliest known life forms on Earth. They are typically characterized as having a cell wall and no membrane-bound organelles. The majority of bacteria have a prokaryotic organization, meaning they lack a nucleus and other membrane-bound organelles.
Bacteria exist in diverse environments and can be found in every habitat on Earth, including soil, water, and the bodies of plants and animals. Some bacteria are beneficial to their hosts, while others can cause disease. Beneficial bacteria play important roles in processes such as digestion, nitrogen fixation, and biogeochemical cycling.
Bacteria reproduce asexually through binary fission or budding, and some species can also exchange genetic material through conjugation. They have a wide range of metabolic capabilities, with many using organic compounds as their source of energy, while others are capable of photosynthesis or chemosynthesis.
Bacteria are highly adaptable and can evolve rapidly in response to environmental changes. This has led to the development of antibiotic resistance in some species, which poses a significant public health challenge. Understanding the biology and behavior of bacteria is essential for developing strategies to prevent and treat bacterial infections and diseases.
Molecular sequence data refers to the specific arrangement of molecules, most commonly nucleotides in DNA or RNA, or amino acids in proteins, that make up a biological macromolecule. This data is generated through laboratory techniques such as sequencing, and provides information about the exact order of the constituent molecules. This data is crucial in various fields of biology, including genetics, evolution, and molecular biology, allowing for comparisons between different organisms, identification of genetic variations, and studies of gene function and regulation.
In the context of mental health and psychology, "predatory behavior" is not a term that is commonly used as a medical diagnosis or condition. However, it generally refers to aggressive or exploitative behavior towards others with the intention of taking advantage of them for personal gain or pleasure. This could include various types of harmful behaviors such as sexual harassment, assault, stalking, bullying, or financial exploitation.
In some cases, predatory behavior may be associated with certain mental health conditions, such as antisocial personality disorder or psychopathy, which are characterized by a disregard for the rights and feelings of others. However, it's important to note that not all individuals who engage in predatory behavior have a mental health condition, and many people who do may not necessarily exhibit these behaviors.
If you or someone else is experiencing harm or exploitation, it's important to seek help from a trusted authority figure, such as a healthcare provider, law enforcement officer, or social worker.
Climate, in the context of environmental science and medicine, refers to the long-term average of weather conditions (such as temperature, humidity, atmospheric pressure, wind, rainfall, and other meteorological elements) in a given region over a period of years to decades. It is the statistical description of the weather patterns that occur in a particular location over long periods of time.
In medical terms, climate can have significant impacts on human health, both physical and mental. For example, extreme temperatures, air pollution, and ultraviolet radiation levels associated with certain climates can increase the risk of respiratory and cardiovascular diseases, heat-related illnesses, and skin cancer. Similarly, changes in climate patterns can affect the distribution and prevalence of infectious diseases, such as malaria and Lyme disease.
Climate change, which refers to significant long-term changes in the statistical distribution of weather patterns over periods ranging from decades to millions of years, can have even more profound impacts on human health, including increased rates of heat-related illnesses and deaths, worsening air quality, and altered transmission patterns of infectious diseases.
Rhodospirillaceae is a family of purple bacteria within the class Alphaproteobacteria. These bacteria are characterized by their ability to perform anoxygenic photosynthesis, using bacteriochlorophyll and other pigments to capture light energy for use in metabolism. They typically contain one or more polar flagella and have a spiral or curved cell shape. Members of this family can be found in various environments such as freshwater, marine habitats, and soil, where they play important roles in carbon and nitrogen cycling. Some species are capable of fixing atmospheric nitrogen, making them significant contributors to the global nitrogen cycle.
rRNA (ribosomal RNA) is not a type of gene itself, but rather a crucial component that is transcribed from genes known as ribosomal DNA (rDNA). In cells, rRNA plays an essential role in protein synthesis by assembling with ribosomal proteins to form ribosomes. Ribosomes are complex structures where the translation of mRNA into proteins occurs. There are multiple types of rRNA molecules, including 5S, 5.8S, 18S, and 28S rRNAs in eukaryotic cells, each with specific functions during protein synthesis.
In summary, 'Genes, rRNA' would refer to the genetic regions (genes) that code for ribosomal RNA molecules, which are vital components of the protein synthesis machinery within cells.
Nitrogen fixation is a process by which nitrogen gas (N2) in the air is converted into ammonia (NH3) or other chemically reactive forms, making it available to plants and other organisms for use as a nutrient. This process is essential for the nitrogen cycle and for the growth of many types of plants, as most plants cannot utilize nitrogen gas directly from the air.
In the medical field, nitrogen fixation is not a commonly used term. However, in the context of microbiology and infectious diseases, some bacteria are capable of fixing nitrogen and this ability can contribute to their pathogenicity. For example, certain species of bacteria that colonize the human body, such as those found in the gut or on the skin, may be able to fix nitrogen and use it for their own growth and survival. In some cases, these bacteria may also release fixed nitrogen into the environment, which can have implications for the ecology and health of the host and surrounding ecosystems.
Biomass is defined in the medical field as a renewable energy source derived from organic materials, primarily plant matter, that can be burned or converted into fuel. This includes materials such as wood, agricultural waste, and even methane gas produced by landfills. Biomass is often used as a source of heat, electricity, or transportation fuels, and its use can help reduce greenhouse gas emissions and dependence on fossil fuels.
In the context of human health, biomass burning can have both positive and negative impacts. On one hand, biomass can provide a source of heat and energy for cooking and heating, which can improve living standards and reduce exposure to harmful pollutants from traditional cooking methods such as open fires. On the other hand, biomass burning can also produce air pollution, including particulate matter and toxic chemicals, that can have negative effects on respiratory health and contribute to climate change.
Therefore, while biomass has the potential to be a sustainable and low-carbon source of energy, it is important to consider the potential health and environmental impacts of its use and implement appropriate measures to minimize any negative effects.
Bacterial DNA refers to the genetic material found in bacteria. It is composed of a double-stranded helix containing four nucleotide bases - adenine (A), thymine (T), guanine (G), and cytosine (C) - that are linked together by phosphodiester bonds. The sequence of these bases in the DNA molecule carries the genetic information necessary for the growth, development, and reproduction of bacteria.
Bacterial DNA is circular in most bacterial species, although some have linear chromosomes. In addition to the main chromosome, many bacteria also contain small circular pieces of DNA called plasmids that can carry additional genes and provide resistance to antibiotics or other environmental stressors.
Unlike eukaryotic cells, which have their DNA enclosed within a nucleus, bacterial DNA is present in the cytoplasm of the cell, where it is in direct contact with the cell's metabolic machinery. This allows for rapid gene expression and regulation in response to changing environmental conditions.
Archaea are a domain of single-celled microorganisms that lack membrane-bound nuclei and other organelles. They are characterized by the unique structure of their cell walls, membranes, and ribosomes. Archaea were originally classified as bacteria, but they differ from bacteria in several key ways, including their genetic material and metabolic processes.
Archaea can be found in a wide range of environments, including some of the most extreme habitats on Earth, such as hot springs, deep-sea vents, and highly saline lakes. Some species of Archaea are able to survive in the absence of oxygen, while others require oxygen to live.
Archaea play important roles in global nutrient cycles, including the nitrogen cycle and the carbon cycle. They are also being studied for their potential role in industrial processes, such as the production of biofuels and the treatment of wastewater.
Heterotrophic processes refer to the metabolic activities carried out by organisms that cannot produce their own food and have to obtain energy by consuming other organisms or organic substances. These organisms include animals, fungi, and most bacteria. They obtain energy by breaking down complex organic molecules from their environment using enzymes, a process known as respiration or fermentation. The end products of this process are often carbon dioxide, water, and waste materials. This is in contrast to autotrophic processes, where organisms (like plants) synthesize their own food through photosynthesis.
18S rRNA (ribosomal RNA) is the smaller subunit of the eukaryotic ribosome, which is the cellular organelle responsible for protein synthesis. The "18S" refers to the sedimentation coefficient of this rRNA molecule, which is a measure of its rate of sedimentation in a centrifuge and is expressed in Svedberg units (S).
The 18S rRNA is a component of the 40S subunit of the ribosome, and it plays a crucial role in the decoding of messenger RNA (mRNA) during protein synthesis. Specifically, the 18S rRNA helps to form the structure of the ribosome and contains several conserved regions that are involved in binding to mRNA and guiding the movement of transfer RNAs (tRNAs) during translation.
The 18S rRNA is also a commonly used molecular marker for evolutionary studies, as its sequence is highly conserved across different species and can be used to infer phylogenetic relationships between organisms. Additionally, the analysis of 18S rRNA gene sequences has been widely used in various fields such as ecology, environmental science, and medicine to study biodiversity, biogeography, and infectious diseases.
The Antarctic regions typically refer to the geographical areas surrounding the continent of Antarctica, including the Southern Ocean and various subantarctic islands. These regions are known for their extreme cold, ice-covered landscapes, and unique wildlife adapted to survive in harsh conditions. The Antarctic region is also home to important scientific research stations focused on topics such as climate change, marine life, and space exploration. It's worth noting that the Antarctic Treaty System governs these regions, which prohibits military activity, mineral mining, nuclear testing, and nuclear waste disposal, and promotes scientific research and cooperation among nations.
I'm not aware of a medical definition for the term "water movements." It is possible that it could be used in a specific context within a certain medical specialty or procedure. However, I can provide some general information about how the term "water" is used in a medical context.
In medicine, "water" often refers to the fluid component of the body, which includes all the fluids inside and outside of cells. The movement of water within the body is regulated by various physiological processes, such as osmosis and hydrostatic pressure. Disorders that affect the regulation of water balance can lead to dehydration or overhydration, which can have serious consequences for health.
If you could provide more context or clarify what you mean by "water movements," I may be able to give a more specific answer.
Eukaryota is a domain that consists of organisms whose cells have a true nucleus and complex organelles. This domain includes animals, plants, fungi, and protists. The term "eukaryote" comes from the Greek words "eu," meaning true or good, and "karyon," meaning nut or kernel. In eukaryotic cells, the genetic material is housed within a membrane-bound nucleus, and the DNA is organized into chromosomes. This is in contrast to prokaryotic cells, which do not have a true nucleus and have their genetic material dispersed throughout the cytoplasm.
Eukaryotic cells are generally larger and more complex than prokaryotic cells. They have many different organelles, including mitochondria, chloroplasts, endoplasmic reticulum, and Golgi apparatus, that perform specific functions to support the cell's metabolism and survival. Eukaryotic cells also have a cytoskeleton made up of microtubules, actin filaments, and intermediate filaments, which provide structure and shape to the cell and allow for movement of organelles and other cellular components.
Eukaryotes are diverse and can be found in many different environments, ranging from single-celled organisms that live in water or soil to multicellular organisms that live on land or in aquatic habitats. Some eukaryotes are unicellular, meaning they consist of a single cell, while others are multicellular, meaning they consist of many cells that work together to form tissues and organs.
In summary, Eukaryota is a domain of organisms whose cells have a true nucleus and complex organelles. This domain includes animals, plants, fungi, and protists, and the eukaryotic cells are generally larger and more complex than prokaryotic cells.
Genetic variation refers to the differences in DNA sequences among individuals and populations. These variations can result from mutations, genetic recombination, or gene flow between populations. Genetic variation is essential for evolution by providing the raw material upon which natural selection acts. It can occur within a single gene, between different genes, or at larger scales, such as differences in the number of chromosomes or entire sets of chromosomes. The study of genetic variation is crucial in understanding the genetic basis of diseases and traits, as well as the evolutionary history and relationships among species.
The conservation of natural resources refers to the responsible use and management of natural resources, such as water, soil, minerals, forests, and wildlife, in a way that preserves their availability for future generations. This may involve measures such as reducing waste and pollution, promoting sustainable practices, protecting habitats and ecosystems, and engaging in careful planning and decision-making to ensure the long-term sustainability of these resources. The goal of conservation is to balance the needs of the present with the needs of the future, so that current and future generations can continue to benefit from the many goods and services that natural resources provide.
In the context of medical definitions, 'carbon' is not typically used as a standalone term. Carbon is an element with the symbol C and atomic number 6, which is naturally abundant in the human body and the environment. It is a crucial component of all living organisms, forming the basis of organic compounds, such as proteins, carbohydrates, lipids, and nucleic acids (DNA and RNA).
Carbon forms strong covalent bonds with various elements, allowing for the creation of complex molecules that are essential to life. In this sense, carbon is a fundamental building block of life on Earth. However, it does not have a specific medical definition as an isolated term.
In medical terms, the term "atmosphere" is not typically used as a standalone definition or diagnosis. However, in some contexts, it may refer to the physical environment or surroundings in which medical care is provided. For example, some hospitals and healthcare facilities may have different atmospheres depending on their specialties, design, or overall ambiance.
Additionally, "atmosphere" may also be used more broadly to describe the social or emotional climate of a particular healthcare setting. For instance, a healthcare provider might describe a patient's home atmosphere as warm and welcoming, or a hospital ward's atmosphere as tense or chaotic.
It is important to note that "atmosphere" is not a medical term with a specific definition, so its meaning may vary depending on the context in which it is used.
I'm sorry for any confusion, but "Hawaii" is not a medical term. It is the 50th and most recent state to have joined the United States, located in the Central Pacific. If you have any questions about medical terms or concepts, I would be happy to help answer those!
Population dynamics, in the context of public health and epidemiology, refers to the study of the changes in size and structure of a population over time, as well as the factors that contribute to those changes. This can include birth rates, death rates, migration patterns, aging, and other demographic characteristics. Understanding population dynamics is crucial for planning and implementing public health interventions, such as vaccination programs or disease prevention strategies, as they allow researchers and policymakers to identify vulnerable populations, predict future health trends, and evaluate the impact of public health initiatives.
Cyanobacteria, also known as blue-green algae, are a type of bacteria that obtain their energy through photosynthesis, similar to plants. They can produce oxygen and contain chlorophyll a, which gives them a greenish color. Some species of cyanobacteria can produce toxins that can be harmful to humans and animals if ingested or inhaled. They are found in various aquatic environments such as freshwater lakes, ponds, and oceans, as well as in damp soil and on rocks. Cyanobacteria are important contributors to the Earth's oxygen-rich atmosphere and play a significant role in the global carbon cycle.
I'm sorry for any confusion, but "seasons" is not a term that has a medical definition. Seasons refer to the four divisions of the year (spring, summer, autumn or fall, and winter) based on the position of the earth in its orbit around the sun. If you have any questions related to health or medicine, I'd be happy to try to help answer those!
Pacific Ocean
Ocean Pacific
Pacific ocean perch
Pacific Ocean Division
Pacific Ocean Park
Pacific Ocean Blue
Pacific Ocean Fire
Pacific Ocean Areas
Pacific Ocean Blues
Pacific Ocean Games
Pacific Ocean Blues (disambiguation)
Pacific Ocean Blues (album)
Red Triangle (Pacific Ocean)
MV Ocean Star Pacific
Pacific Ocean Neutrino Experiment
The Pacific Ocean (band)
The Blob (Pacific Ocean)
Geology of the Pacific Ocean
The Great Pacific Ocean (EP)
Pacific Ocean Shelf Tracking Project
Pacific Islands Ocean Observing System
Live on the Pacific Ocean
Eastern Siberia-Pacific Ocean oil pipeline
Athletics at the Pacific Ocean Games
Apostolic Delegation to the Pacific Ocean
Lorelei: The Witch of the Pacific Ocean
List of shipwrecks in the Pacific Ocean
List of islands in the Pacific Ocean
List of volcanoes in the Pacific Ocean
Pacific Ocean theater of World War II
Pacific Ocean - Wikipedia
Pacific Ocean and Cenozoic evolution of climate
Banaba | Kiribati, Pacific Ocean, History & Culture | Britannica
Pacific Northwest Ocean Paradise | Beach Hunters | HGTV
EARTHQUAKES IN THE PACIFIC OCEAN
Scientists detect world's coldest cloud hovering over Pacific Ocean | Space
Pacific Ocean smackdown: El Niño vs. Polar Vortex? - CSMonitor.com
A Miocene impact ejecta layer in the pelagic Pacific Ocean | Scientific Reports
How far away is the pacific ocean to Scotland? - Answers
Multiple melt source origin of the Line Islands (Pacific Ocean)
Multinational team of wingmen rescues downed pilot from Pacific Ocean
pacific ocean Archives - EcoSalon
pacific ocean Archives - gCaptain
PACIFIC OCEAN - Bioceramic Scuba Fifty Fathoms Collection
Science at sea: Bess Ward teaches and researches from the Pacific Ocean
Solar Impulse 2 lands after risky flight across Pacific Ocean | CBC News
Russian Volcano Brings Life to North Pacific Ocean Pastures - Earth911
Pacific Ocean | Imray
Archived: Ocean Investigators | Events | Aquarium of the Pacific
Pacific Ocean • Watts Up With That?
Global Ocean Sanctuaries
Pacific Ocean Fora - DAFF
Two Oceans Aquarium | Giant Pacific octopus
Protecting our oceans | Greenpeace Australia Pacific
Endless Cologne by Ocean Pacific | FragranceX.com
south pacific ocean country - Yahoo Search Results
Air Power in the Indian Ocean and the Western Pacific: Understanding R
Pacific Ocean
Ocean Pacific
Johnston Atoll3
- The fossil was discovered over the summer during an Ocean Exploration Trust expedition to Johnston Atoll. (uri.edu)
- Other (former) U.S. bases on Midway, Wake and the Johnston Atoll could similarly be resurrected in the event of a worsening geostrategic environment in the Asia-Pacific. (nationalinterest.org)
- Johnston Atoll in the Pacific Ocean. (cdc.gov)
Depths6
- By analyzing the level of nitrogen and oxygen at different depths, the researchers were seeking to resolve exactly where and how much nitrous oxide is produced and consumed by ocean microbes. (princeton.edu)
- She also sent raw data from the depth profiles - chemical and biological measurements taken at different ocean depths - gathered by the research vessel's instruments. (princeton.edu)
- These octopuses inhabit the northern Pacific Ocean and reside in a range of depths, from shallow tidal pools to as far as 1500 metres. (aquarium.co.za)
- How the government got away with hiding this absolutely incredible story about the CIA secretly raising a sunken Soviet nuclear sub from the depths of the Pacific Ocean ? (wn.com)
- BGS has joined a multidisciplinary research expedition to 'explore the unexplored' and fill in some of the biggest gaps in our knowledge of the oceans' darkest depths. (bgs.ac.uk)
- At depths ranging from 6000 to 11 000 m, this zone includes the planet's deepest and most remote ocean trenches. (bgs.ac.uk)
Ocean's2
- The Pacific Ocean's mean depth is 4,000 meters (13,000 feet). (wikipedia.org)
- Afterwards, the ocean's current name was coined by Portuguese explorer Ferdinand Magellan during the Spanish circumnavigation of the world in 1521, as he encountered favorable winds on reaching the ocean. (wikipedia.org)
Atlantic11
- Which is smaller Atlantic Ocean or Pacific Ocean? (answers.com)
- Solar Impulse 2 will make three more stops in the United States before crossing the Atlantic Ocean to Europe or Northern Africa, according to the website documenting the journey. (cbc.ca)
- Under the initiative, five observatories in the Atlantic and Pacific oceans, together outfitted with more than 900 instruments, continually collect and deliver data to shore via a cyberinfrastructure that makes the data readily available to anyone with an internet connection. (wn.com)
- Ocean temperatures also soared to new highs, including some parts of the Pacific and Atlantic basins that are as much as 10 degrees above normal, Swain said. (wn.com)
- The Atlantic Ocean is named after the Greek mythological figure Atlas, who was said to be strong and to carry the world on his back. (almanac.com)
- When it flows near the strong currents in the Atlantic, Pacific, and Indian oceans, it mixes with their waters. (almanac.com)
- In the midst of a cold snap that sent temperatures 20-40°F (11-22°C) below normal across much of the United States, the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite captured an image of cloud streets over the Atlantic Ocean on January 7, 2014. (nasa.gov)
- Some ocean areas, such as the North Atlantic and South Pacific, are particularly fertile habitats for deep-sea scleractinian reefs, but a combination of factors led scientists to believe that finding these coral colonies was exceedingly unlikely in the deep waters of the North Pacific. (nsf.gov)
- In addition, North Pacific carbonate dissolution rates, a measure of the pace at which carbonate substances such as coral skeletons dissolve, exceed those of the more amenable North Atlantic by a factor of two. (nsf.gov)
- Fucus vesiculosus is a type of brown seaweed that grows in the Baltic Sea, Atlantic Ocean, and North Pacific Ocean. (medlineplus.gov)
- For several 100 years people had been seeking for a sea way north of the Atlantic along the Siberian cost to the Pacific Ocean. (lu.se)
Climate change2
- The goal of the work in the Pacific Ocean was to find and analyze the microbes that play a key role in climate change and ozone depletion. (princeton.edu)
- Now, the ADB's expanded Green and Blue Bond Framework has received a Second Party Opinion from the evaluator of green bond investment frameworks CICERO Shades of Green https://cicero.green/ in order to provide investors with confidence that ADB bonds are actually mitigating climate change and protecting ocean health. (ens-newswire.com)
20212
- This week, the 2021 tide prediction calendars for 23 locations across the Pacific have been released to 14 national meteorological and weather offices. (spc.int)
- MANILA, Philippines, September 13, 2021 (ENS) - To finance ocean protection projects in Asia and the Pacific, the Asian Development Bank has issued its first dual-tranche blue bonds denominated in Australian and New Zealand dollars. (ens-newswire.com)
Earth's3
- The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. (wikipedia.org)
- At 165.25 million square kilometers (63.8 million square miles) in area, this largest division of the World Ocean -and, in turn, the hydrosphere -covers about 46% of the Earth's water surface and about one-third of its total surface area, making it larger than all of the Earth's land area combined. (wn.com)
- All of Earth's oceans are connected, but different parts have different names. (almanac.com)
Sustain2
- Mother Nature is doing what she can to sustain her oceans. (earth911.com)
- Our oceans sustain all life on earth but they are under threat from destructive industries like industrial fishing, deep-sea mining and plastic pollution. (greenpeace.org.au)
Centre3
- The Pacific tsunami warning centre (PTWC) issued a tsunami alert for Fiji and New Zealand after tide gauges in Pago Pago, Samoa, and Niue showed a small rise in sea levels, but this was subsequently withdrawn. (greatdreams.com)
- To honor that, the Secretariat of the Pacific Regional Environment Programme (SPREP), the Tjibaou Cultural Centre, and the Pew Bertarelli Ocean Legacy Project partnered to showcase the work of artists from New Caledonia and Oceania. (pewtrusts.org)
- Jillian Tutuo Wate, Deputy Director-Research, Pacific Research Centre for the Prevention of Obesity and Non-Communicable Diseases (C-POND), Fiji National University, consultant for reviewing the policy. (who.int)
Inhabit1
- Nudibranchs inhabit all five oceans and are known for their often-extraordinary colors and striking forms. (swatch.com)
World's2
- SAN FRANCISCO (AP) - Engineers will deploy a trash collection device to corral plastic litter floating between California and Hawaii in an attempt to clean up the world's largest garbage patch in the heart of the Pacific Ocean. (kristv.com)
- While not as provocative as China's designation of an Air Defense Identification Zone in the East China Sea, Washington's marine protected areas do fulfill a similar-albeit non-military-purpose by pronouncing, formalizing and entrenching U.S. territorial pre-eminence in the world's biggest ocean. (nationalinterest.org)
Waters8
- 11/21/2012 - JOINT BASE PEARL HARBOR HICKAM, Hawaii (AFNS) -- On July 22, a U.S. Air Force pilot assigned to Misawa Air Base, Japan, had to eject from an F-16 Fighting Falcon over the turbulent and cold waters of the North Pacific. (globalsecurity.org)
- Bright as the sun, Chromodoris Kuiteri can be found in the clear blue waters of the Pacific Ocean. (swatch.com)
- As the R/V Sally Ride cruised through the warm Pacific waters, the researchers were often surrounded by dolphins, sharks and other small and large sea creatures. (princeton.edu)
- In the area they were sampling, the global circulation of the ocean and atmosphere brings nutrient-rich deep waters up to the surface, a process known as upwelling. (princeton.edu)
- In the waters around Papahanaumokuakea Marine National Monument (PMNM) in the north Pacific Ocean , the Corps of Exploration team spotted the funky cephalopod swimming around 2,665 meters (8743 feet) deep above their ROV Little Hercules . (wn.com)
- Locations around the Pacific Rim, such as Japan, Hawai'i, California, Chile and Aotearoa New Zealand, have collected significant baseline data in their waters. (bgs.ac.uk)
- Scientists had long believed that the waters of the Central and Northeast Pacific Ocean were inhospitable to certain species of deep-sea corals, but a marine biologist's discovery of an odd chain of reefs suggests there are mysteries about the development and durability of coral colonies yet to be uncovered. (nsf.gov)
- It is present in waters of the eastern Pacific Ocean. (msdmanuals.com)
Pollution3
- Two other installations complete his work: "Surface," which highlights the problem of plastic pollution in our oceans, and "2%" (the fish in its bowl), which shows how little of the ocean is safeguarded under highly marine protected areas. (pewtrusts.org)
- The proceeds will finance projects that enhance ocean health through ecosystem restoration, natural resources management, sustainable fisheries and aquaculture, reduction of coastal pollution, circular economy, marine renewable energy, and green ports and shipping. (ens-newswire.com)
- To draw attention to plastic waste pollution in oceans, the World Bank launched a blue bond in April 2019 that raised US$10,000,000. (ens-newswire.com)
20231
- Study will be based around a series of transits in the south-eastern Pacific Ocean that will continue through November and December 2023. (bgs.ac.uk)
Vast6
- Close to the equator, without vast areas of blue ocean, are a dot of atolls that have over intervals of time been formed by seamounts as a result of tiny coral islands strung in a ring within surroundings of a central lagoon. (wikipedia.org)
- While ejecting from an aircraft and landing in the middle of the vast Pacific Ocean would probably not qualify as the man's best day, the pilot was fortunate in that an improbable, varied mix of different people and agencies were seamlessly partnering up to help out. (globalsecurity.org)
- Billions of baby salmon that have hatched and reared in the rivers are just now making their way out of the Okhotsk Sea into the vast North Pacific Ocean pastures. (earth911.com)
- But within weeks, the Northeast Pacific Ocean pastures produced a richly nourishing and vast bloom of plankton. (earth911.com)
- The Obama administration yesterday announced its intention to designate a vast portion of U.S.-controlled areas of the Pacific Ocean as a nature preserve. (nationalinterest.org)
- The Pacific Coast is known for its vast kelp forests. (npr.org)
Mariana Trench2
- Challenger Deep in the Mariana Trench, located in the northwestern Pacific, is the deepest known point in the world, reaching a depth of 10,928 meters (35,853 feet). (wikipedia.org)
- Moreover, it should be noted that many of the islands contained with the MNM system are current or former military bases: Wake Island and the Johnson Atoll both rest within the existing boundaries of the Pacific Remote Islands MNM, while other MNMs cover Midway Island (the Papahānaumokuākea MNM) and Guam (the Mariana Trench MNM). (nationalinterest.org)
Aquarium2
- Ocean Investigators is a series of programs at the Aquarium for participants 7-12 years old, that encourages exploration of marine life. (aquariumofpacific.org)
- Come explore the variety of sharks found at the Aquarium and in the ocean. (aquariumofpacific.org)
20191
- The bonds are part of ADB's Action Plan for Healthy Oceans and Sustainable Blue Economies launched in 2019, which aims to catalyze sustainable investments in Asia and the Pacific by committing to invest and provide technical assistance of at least US$5 billion by 2024. (ens-newswire.com)
Oceanic divisions1
- The Pacific Ocean is the largest of the Earth 's oceanic divisions. (wn.com)
Crust2
Exploration Trust1
- Ocean Exploration Trust / NOAA). (wn.com)
Northeast Pacific Ocean1
- All of the experts had, in sworn testimony before the judge, forecast that only 1.2 million of the gorgeous scarlet sockeye salmon would return from their Northeast Pacific Ocean pastures to spawn that year. (earth911.com)
Sharks2
- The giant Pacific octopus preys on crustaceans such as snails and shellfish, although they will occasionally prey on smaller octopuses and even small sharks. (aquarium.co.za)
- According to the Encyclopedia Britannica, megalodons were among the largest fish to ever cruise the oceans, about three times bigger than the largest sharks today. (uri.edu)
Garbage Patch3
- What is the Pacific Garbage Patch? (ecosalon.com)
- The 2,000-foot (600-meter) long floating boom will be towed Saturday from San Francisco to the Great Pacific Garbage Patch - an island of trash twice the size of Texas. (kristv.com)
- One of our goals is to remove 50 percent of the Great Pacific Garbage Patch in five years," Slat said. (kristv.com)
Equator4
- Ocean circulation (caused by the Coriolis effect) subdivides it into two largely independent volumes of water that meet at the equator, the North Pacific Ocean and the South Pacific Ocean (or more loosely the South Seas). (wikipedia.org)
- The equator subdivides it into the North Pacific Ocean and South Pacific Ocean , with two exceptions: the Galápagos and Gilbert Islands , while straddling the equator, are deemed wholly within the South Pacific. (wn.com)
- The same processes that caused coral reefs to die on Central Pacific islands on the equator led to positive conditions just a bit further north. (eurasiareview.com)
- During El Niño, the ocean current at the equator is weakened, reducing the beneficial nutrients that are typically brought to the surface when this current is flowing strongly. (eurasiareview.com)
Variability1
- A regional technical climate science report containing country-scale historical climate and ocean variability and trends information has been launched today. (spc.int)
20171
- The project was inspired by SPREP's naming 2017 the "Pacific Year of the Whale" and by a need to raise awareness for better ocean protection in New Caledonia. (pewtrusts.org)
Circulation2
- It is a fundamental component of global heat transport and circulation, the dominant locus of primary productivity, and, consequently, the largest reservoir for carbon exchange between the oceans and the atmosphere. (usgs.gov)
- Many satellites - as well as astronauts on the International Space Station (that's their photo above) - observed as a thick dust cloud rose nearly 10 miles into the air and then streamed east as it was pulled into the circulation of a storm in the North Pacific. (earth911.com)
Arctic Ocean2
- It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continents of Asia and Oceania in the west and the Americas in the east. (wikipedia.org)
- The Arctic Ocean (the smallest) is named for the region around the North Pole. (almanac.com)
Nino1
- An El Nino is a warming of the central Pacific once every few years, from a combination of wind and waves in the tropics. (csmonitor.com)
Fisheries5
- The Pacific Islands Forum Fisheries Agency (FFA) was established in 1979 under an international treaty, the South Pacific Forum Fisheries Agency Convention . (agriculture.gov.au)
- The FFA members operate as a bloc at meetings of the Western and Central Pacific Fisheries Commission (WCPFC) and its subsidiary bodies thereby strengthening the negotiating position of individual Pacific Island countries, including Australia, to influence the measures adopted by the Commission. (agriculture.gov.au)
- Effective management of, and adequate returns from, regional fisheries to Pacific Island Countries (PICs) are important for regional stability and economic development. (agriculture.gov.au)
- The SPC provides technical assistance, policy advice, training and research services to Pacific Island Countries and territories in various areas such as health, human development, agriculture, forestry and fisheries. (agriculture.gov.au)
- Proceeds from the bond were used to support the expansion of marine protected areas, improve governance of priority fisheries, and develop the Seychelles' ocean economy. (ens-newswire.com)
Protecting2
- Protecting ocean environments is argued to be essential for the long-term health of the planet. (nationalinterest.org)
- The dual currency bond raised the equivalent of $942 million towards protecting the oceans. (ens-newswire.com)
Observations1
- The six legs of the expedition will use technologies such as free-fall landers, armed with a scientific payload to make in situ observations at full-ocean depth, and submarine survey equipment such as multibeam echosounders capable of mapping even extreme points of the sea floor from a surface vessel at superior accuracy. (bgs.ac.uk)
California1
- A solar-powered airplane landed in California late Saturday night, completing a risky, three-day flight across the Pacific Ocean from Hawaii as part of its journey around the world. (cbc.ca)
Russia's2
- Volcanoes like the one erupting along Russia's North Pacific coast have at times been Pacific salmon's saviors. (earth911.com)
- Tens of thousands of km2 of Russia's ocean salmon pastures are receiving nutrients in the form of mineral-rich dust from Raikoke. (earth911.com)
Conservation1
- The Pacific conservation zones thus have military implications. (nationalinterest.org)
Africa2
- As one of the planet's important biodiversity centers, the Seychelles, an archipelago of 115 islands in the Indian Ocean off East Africa, had to balance economic development with environmental protection. (ens-newswire.com)
- Before 2013, outbreaks had been described in Africa, Southern Europe, Asia, and islands in the Indian and Pacific Oceans [3]. (cdc.gov)
Basin2
- The Pacific Tsunami Warning Center issued a tsunami warning for the Pacific basin. (greatdreams.com)
- As a result, large spatial and ecological patterns in species diversity, abundance, genetic links and habitat characteristics remain poorly understood across the wider Pacific basin. (bgs.ac.uk)
Southwest Pacific2
- The Pacific Ocean can also be informally divided by the International Date Line into the East Pacific and the West Pacific, which allows it to be further divided into four quadrants, namely the Northeast Pacific off the coasts of North America, the Southeast Pacific off South America, Northwest Pacific off Far Eastern Asia, and the Southwest Pacific around Oceania. (wikipedia.org)
- The beast of a storm loomed about 249 miles (400 km) south of Nauru in the Southwest Pacific on Dec. 29, 2018, and its clouds' temperature was picked up by an infrared sensor aboard the U.S.'s NOAA-20 satellite orbiting the planet. (space.com)
Northwest Pacific2
- Here, we present petrographic and geochemical evidence of a possible impact ejecta layer, dating from about 11 Ma, in deep-sea clayey sediment in the Northwest Pacific. (nature.com)
- Thus, we suggest that an unrecognised impact event in the middle or late Miocene produced the impact ejecta layer of the Northwest Pacific. (nature.com)
Ecosystems1
- The consensus is that not enough is known about the deep sea to understand the impacts mining will have on already fragile ocean ecosystems. (islandsbusiness.com)
Marine10
- From layers of blubber to filter feeding baleen we will explore the amazing adaptations marine mammals use to survive in the ocean! (aquariumofpacific.org)
- Oceans and marine wildlife need the space to recover free from harmful human activity. (greenpeace.org.au)
- The tooth was among samples collected by a remotely operated vehicle from the ocean floor, about 3,000 meters down, within the Pacific Remote Islands Marine National Monument, an unincorporated U.S. territory. (uri.edu)
- Specifically, Obama is considering expanding the existing boundaries of the Pacific Remote Islands Marine National Monument ( MNM ), a marine reserve created by George W. Bush just days before leaving office in January 2009. (nationalinterest.org)
- Doing so would make the Pacific Remote Islands MNM the biggest marine reserve in the world. (nationalinterest.org)
- Whatever the environmental benefits of establishing marine protected areas in the Pacific, then, there are several political and military implications that are worth considering. (nationalinterest.org)
- America's marine national monuments are monuments to the country's gargantuan geopolitical and territorial standing in the Central and Western Pacific as much as anything else. (nationalinterest.org)
- The data suggests that these ocean processes helped Palmyra's corals survive during the most extreme marine heatwaves they have faced in the past and may continue to do so in the future. (eurasiareview.com)
- This information is going to be important for people in the Pacific islands that are trying to decide where to put marine protected areas or to plan for the future. (eurasiareview.com)
- Cone snails are a rare cause of marine envenomation among divers and shell collectors in the Indian and Pacific Oceans. (msdmanuals.com)
Temperatures4
- A severe thunderstorm cloud that formed over the Pacific Ocean in 2018 reached the coldest temperatures ever recorded, according to a new study. (space.com)
- Every few years, the cyclic climate pattern called El Niño arises in the tropical Pacific, causing significant changes in winds, weather and ocean temperatures. (eurasiareview.com)
- Coral reefs were so stressed by the warmer ocean temperatures that they experienced mass bleaching, whereby the stress caused corals to expel their symbiotic algae and become white. (eurasiareview.com)
- This process enabled the reefs to better manage the heat stress brought on by the rise in ocean surface temperatures. (eurasiareview.com)
Metres1
- The giant Pacific octopus is the largest species in the world, with one specimen weighing 270 kg and stretching more than nine metres long. (aquarium.co.za)
Volcanic1
- Volcanic ash carries iron that is missing in the sea, feeding ocean pastures, making them rich and green. (earth911.com)
Coral4
- Banaba , also called Ocean Island , coral and phosphate formation, part of Kiribati , in the west-central Pacific Ocean . (britannica.com)
- The unexpected discovery of the reefs has prompted some scientists to reconsider the effects of ocean acidification on vulnerable coral colonies. (nsf.gov)
- Now, scientists at KAUST along with international colleagues have identified localized ocean processes during this El Niño that provided much-needed sustenance to the coral reefs on the Central Pacific island of Palmyra, allowing them not only to survive, but to thrive. (eurasiareview.com)
- By studying such an isolated ecosystem, Fox and his colleagues were able to identify connections between ocean processes and coral survival that would be difficult to isolate on reefs impacted by humans. (eurasiareview.com)
Paradise1
- Beach Paradise by Ocean Pacific Perfume. (perfume.com)
Islands3
- From, probably, the Bismarck Archipelago they crossed the western Pacific to reach the Marianas Islands by 1500 BCE, as well as Palau and Yap by 1000 BCE. (wikipedia.org)
- The 55-kilometer-deep quake occurred 160 kilometers south of Neiafu in Tonga, the cluster of South Pacific islands east of Australia and north of New Zealand. (greatdreams.com)
- Our model identifies a new melt source region (Larson melt region at ~17°S, ~125°W) that contributed to the formation of the Line Islands, as well as the Mid-Pacific Mountains and possibly the Pukapuka Ridge. (usgs.gov)
Winds1
- After an initial surge of activity that included several distinct explosive pulses, activity subsided and strong winds spread the ash across the Pacific. (earth911.com)
Fleet3
- But for the ocean observatory satellite fleet, the bloom might have been missed. (earth911.com)
- However, these reports do not include the US Distant Water Tuna Fleet (DWTF), which operates far from the US West Coast in the Pacific Ocean. (cdc.gov)
- The Distant Water Tuna Fleet (also known as the US Purse Seine Fleet) is licensed under the South Pacific Tuna Act of 1988, which has since been amended and reaffirmed [16 USC1 973]. (cdc.gov)
Indian5
- This book examines the security dynamics of the Indian Ocean and the Western Pacific, concentrating upon an analysis and evaluation of the air power capabilities of the various powers active in the two regions. (routledge.com)
- The volume is designed to help improve understanding of the heritage and contemporary challenges confronting the global community in the Indian Ocean and the Western Pacific, as well as to illuminate the policies of the various powers involved in the affairs of these regions, and the military capabilities that are available in support of those policies. (routledge.com)
- The 16 individual chapters examine both the traditional and the non-traditional threats that confront the various Indian Ocean and Western Pacific powers, and assess the roles played by land-based and naval, fixed-wing and rotary-wing, manned and unmanned aircraft, as well as by offensively and defensively capable ballistic and cruise missiles in addressing these challenges. (routledge.com)
- His previously published books include Maritime Security in the Indian Ocean and the Western Pacific (2018) and Naval Powers in the Indian Ocean and the Western Pacific (2018). (routledge.com)
- The Indian Ocean is named for the subcontinent of India, the name of which in turn comes from the Indus River. (almanac.com)
Scientists2
- Scientists predict we need to protect at least 30% of our oceans by 2030 to avoid the worst effects of the climate crisis. (greenpeace.org.au)
- Our oceans are sick and we need the scientists and experts to help us understand what is wrong and how to get better. (spc.int)
Deepest1
- The Pacific also contains the deepest point in the Southern Hemisphere, the Horizon Deep in the Tonga Trench, at 10,823 meters (35,509 feet). (wikipedia.org)
Largest1
- The Pacific Ocean (the largest) was named by Portuguese explorer Ferdinand Magellan in 1520. (almanac.com)
Celebrate1
- World Oceans Day is today and we celebrate that which sustains us. (ecosalon.com)
Expedition1
- Several of the features surveyed over the course of the six-month Trans-Pacific Transit Expedition, which ends in Tonga in January 2024, will be 'new' - features that existing, low-resolution satellite altimetry data have thus far failed to resolve. (bgs.ac.uk)
Year6
- Relief may be on the way for a weather-weary United States with the predicted warming of the central Pacific Ocean brewing this year that will likely change weather worldwide. (csmonitor.com)
- The North Pacific is legendary for being enshrouded in clouds most of the year and almost no one took note of the eruption. (earth911.com)
- The system was created by The Ocean Cleanup, an organization founded by Boyan Slat, a 24-year-old innovator from the Netherlands who first became passionate about cleaning the oceans when he went scuba diving at age 16 in the Mediterranean Sea and saw more plastic bags than fish. (kristv.com)
- George Leonard, chief scientist of the Ocean Conservancy, a nonprofit environmental advocacy group, said he's skeptical Slat can achieve that goal because even if plastic trash can be taken out of the ocean, a lot more is pouring in each year. (kristv.com)
- The funding gap to support healthy oceans is getting wider every year and the scale of the problem requires a leap from small transactions to transformative market deals, the ADB says. (ens-newswire.com)
- Having our first Australian dollar 15-year and New Zealand dollar 10-year blue bonds under ADB's Green and Blue Bond Framework is a new milestone for sustainable ocean finance. (ens-newswire.com)
Species1
- Giant Pacific octopuses are the longest-living species, with lifespans of up to 5 years. (aquarium.co.za)
Sediment1
- orty-eight surface sediment samples from the southeast (SE) Pacific (25-53°S) are investigated for the determination of the spatial distribution of organic-walled dinoflagellate cysts along the western South American continental margin. (gbif.org)
Plastic2
- Leonard said 9 million tons (8 metric tons) of plastic waste enter the ocean annually and that a solution must include a multi-pronged approach, including stopping plastic from reaching the ocean and more education so people reduce consumption of single use plastic containers and bottles. (kristv.com)
- I'm the first to acknowledge this has never done before and that it is important to collect plastic on land and close the taps on plastic entering into the ocean, but I also think humanity can do more than one thing at a time to tackle this problem," Slat said. (kristv.com)
Region3
- As no researchers were working in the region, no oceanographic research boats studied the dusted and thriving ocean pasture. (earth911.com)
- Combining this artistic and cultural heritage-which are important parts of New Caledonian communities, especially among the Kanak people-pays tribute to the country and greater Pacific region and its oceanic legacy. (pewtrusts.org)
- The Action Plan for Healthy Oceans and Sustainable Blue Economies is a vital part of ADB's strategy to expand the necessary support for its developing member countries to invest in healthy oceans, ensure the achievement of SDG 14, and contribute to the security and prosperity of the region," said Bambang Susantono, ADB vice-president for knowledge management and sustainable development. (ens-newswire.com)
Program2
- But she contacted David Ebert, a modern shark researcher at San José State University and program director of the Pacific Shark Research Center, who preliminary identified the tooth as belonging to the long-extinct predator. (uri.edu)
- These results show that the effects of ocean acidification on deep-water corals may not be as severe as predicted," said David Garrison, a program director in the National Science Foundation's Division of Ocean Sciences, which funded the research. (nsf.gov)
Countries2
- The trial was approved by the International Seabed Authority (ISA) in September much to the dismay of Pacific countries and ocean advocates calling for either a moratorium or a permanent ban on deep sea mining. (islandsbusiness.com)
- In recent weeks a growing number of countries around the world including New Zealand, France and Germany have joined Pacific nations in calling for either a temporary or permanent ban on seabed mining. (islandsbusiness.com)
Support1
- With support from the Australian Government, the Tongan Government, and the Pacific Community (SPC), a tide gauge has been recording sea level and climate information in Tonga since January 1993. (spc.int)
North Pacific4
- Oceanographer Bess Ward analyzes data in real time as samples are gathered from the Eastern Tropical North Pacific Ocean, off the coast of Mexico. (princeton.edu)
- The Eastern Tropical North Pacific Ocean, off the western coast of Mexico, is the most accessible of the three upwelling regions, Ward said. (princeton.edu)
- Will its iron-rich ash, now falling on the North Pacific, be manna from heaven for all of ocean life? (earth911.com)
- In other words, said Baco-Taylor, the reefs simply should not exist in the North Pacific. (nsf.gov)