Desert Climate
Climate
Climate Change
Greenhouse Effect
Tropical Climate
Ecosystem
Grasshoppers
Global Warming
Seasons
Geography
Conservation of Natural Resources
Homing Behavior
Ants
Trees
Temperature
Population Dynamics
Atmosphere
Biodiversity
Africa, Northern
Oceans and Seas
Geology
Chile
Arctic Regions
Environment
Models, Theoretical
Soil
Geological Phenomena
Agriculture
Droughts
Nevada
South American mammal zoogeography: evidence from convergent evolution in desert rodents. (1/427)
Current theories regarding colonization of South America by mammals are divided between those supported by fossil evidence, which suggest the original mammal fauna of the isolated continent was augmented by early immigrants (primates, caviomorph rodents, and later, procyonids) with a final large influx of northern mammals occurring with the formation of the Panama land bridge, and an opposing view which states that the purported "recent invaders" are too taxonomically and ecologically differentiated to have colonized since the land bridge arose. The second theory suggests that most extant mammals entered before the Plio-Pleistocene land connection. An analysis of degree of physiological adaptation, natural history, distribution patterns, and a multivariate assessment of convergent evolution of Monte Desert rodents indicate that South American cricetine rodents are not highly specialized for desert life. Their degree of adaptation could be accounted for, in large part, by adaptations for arid or semiarid Andean habitats. No Monte Desert rodent has developed the specialized desert traits that have evolved in most desert rodent faunas of the world, although extinct marsupials similar to living bipedal desert rodents were present in the Monte as recently as late Pliocene. Evidence suggests that Monte caviomorphs have been associated with the desert for a longer period than cricetines, and that the latter represent a fairly recent invasion of the Monte Desert. The data thus support the first hypothesis of South American mammal colonization. (+info)Prevalence of cutaneous evaporation in Merriam's kangaroo rat and its adaptive variation at the subspecific level. (2/427)
Previous estimates suggested that ventilatory evaporation constitutes the major source of water loss in kangaroo rats (Dipodomys spp.). We quantified rates of water loss in Merriam's kangaroo rat (Dipodomys merriami) and demonstrate the degree to which acclimation to a particular thermal and hydric environment plays a role in the intraspecific variation in water loss evident in this species. We draw the following conclusions: (1) that water loss varies intraspecifically in Merriam's kangaroo rat, in association with habitats of contrasting aridity and temperature; (2) that animals from more xeric locations have lower water loss rates than those from more mesic sites; (3) that most water loss is cutaneous, with ventilatory evaporative water loss contributing, at most, only 44% to total evaporative water loss; and (4) that intraspecific differences in rates of water loss are not acclimatory, but fixed. After acclimating under the same conditions, xeric-site animals still show a 33% lower rate of evaporative water loss than mesic-site animals. (+info)Pinpointing food sources: olfactory and anemotactic orientation in desert ants, Cataglyphis fortis. (3/427)
Desert ants, Cataglyphis fortis, search for a repeatedly visited food source by employing a combined olfactory and anemotactic orientation strategy (in addition to their visually based path-integration scheme). This behaviour was investigated by video-tracking consecutive foraging trips of individually marked ants under a variety of experimental conditions, including manipulations of the olfactory and wind-detecting systems of the ants. If the wind blows from a constant direction, ants familiar with the feeding site follow outbound paths that lead them into an area 0.5-2.5 m downwind of the feeding station. Here, the ants apparently pick up odour plumes emanating from the food source and follow these by steering an upwind course until they reach the feeder. If the food is removed, foragers usually concentrate their search movements within the area downwind of the feeding site. Only when the wind happens to subside or when tail-wind conditions prevail do the ants steer direct courses towards the food. Elimination of olfactory input by clipping the antennal flagella, or of wind perception by immobilising the bases of the antennae, altered the foraging behaviour of the ants in ways that supported these interpretations. Ants with clipped flagella were never observed to collect food items. (+info)Effect of wind and solar radiation on metabolic heat production in a small desert rodent, Spermophilus tereticaudus. (4/427)
To understand better how complex interactions between environmental variables affect the energy balance of small diurnal animals, we studied the effects of the absence and presence of 950 W m(-)(2) simulated solar radiation combined with wind speeds ranging from 0. 25 to 1.00 m s(-)(1) on the metabolic rate and body temperature of the round-tailed ground squirrel Spermophilus tereticaudus. As wind speed increased from 0.25 to 1.00 m s(-)(1), metabolic heat production increased by 0.94 W in the absence of solar radiation and by 0.98 W in the presence of 950 W m(-)(2) simulated solar radiation. Exposure to simulated solar radiation reduced metabolic heat production by 0.68 W at a wind speed of 0.25 m s(-)(1), by 0.64 W at 0.50 m s(-)(1) and by 0.64 W at 1.00 m s(-)(1). Body temperature was significantly affected by environmental conditions, ranging from 32. 5 degrees C at a wind speed of 1.0 m s(-)(1) and no irradiance to 35. 6 degrees C at a wind speed of 0.50 m s(-)(1) with 950 W m(-)(2 )short-wave irradiance. In addition, several unusual findings resulted from this study. The coat of S. tereticaudus is very sparse, and the observed heat transfer of 5.68+/-0.37 W m(-)(2 ) degrees C(-)(1) (mean +/- s.e.m., N=11) is much higher than expected from either allometric equations or comparative studies with other rodents of similar mass. Solar heat gain was remarkably low, equalling only 10 % of intercepted radiation and suggesting a remarkably high regional thermal resistance at the tissue level. Animals remained normally active and alert at body temperatures as low as 32.5 degrees C. These findings suggest a unique combination of adaptations that allow S. tereticaudus to exploit a harsh desert environment. (+info)The effect of desert conditions on the reactivity of Libyan schoolchildren to a range of new tuberculins. (5/427)
This study was carried out to investigate the effect of desert conditions on the pattern of delayed hypersensitivity to mycobacteria in school children aged 6-10 and 11-18 years. A new range of tuberculins prepared from ultrasonic lysates of living mycobacteria belonging to 12 different species was employed. Three centres were chosen for study, a sea port and two desert towns differing greatly from each other. The results obtained were compared with those of a previous study using the same reagents in Kenya. As expected both the range of mycobacterial species to which the children reacted, the rate of acquisition of specific hypersensitivity with age and the total percentage of children reacting to individual reagents differed from centre to centre. The harsh desert conditions of Ajdabia produced the least, and the proximity of the people's dwellings to those of their farm animals in Kufra produced the most positive reactors to essentially environmental species. The greatest number of reactions to our Tuberculin were found in Benghazi where the cosmopolitan urban conditions probably lead to a high contact with open cases of tuberculosis. As assessed by skin test reactivity, immunization with BCG in Libya was much less effective than in Kenya. The interpretation of the differences between the results from the different test centres and between those for Libya and Kenya are discussed. (+info)Thermotolerant desert lizards characteristically differ in terms of heat-shock system regulation. (6/427)
We compare the properties and activation of heat-shock transcription factor (HSF1) and the synthesis of a major family of heat-shock proteins (HSP70) in lizard species inhabiting ecological niches with strikingly different thermal parameters. Under normal non-heat-shock conditions, all desert-dwelling lizard species studied so far differ from a northern, non-desert species (Lacerta vivipara) in the electrophoretic mobility and content of proteins constitutively bound to the regulatory heat-shock elements in the heat-shock gene promoter. Under these conditions, levels of activated HSF1 and of both HSP70 mRNA and protein are higher in the desert species than in the non-desert species. Upon heat shock, HSF1 aggregates in all species studied, although in desert species HSF1 subsequently disaggregates more rapidly. Cells of the northern species have a lower thermal threshold for HSP expression than those of the desert species, which correlates with the relatively low constitutive level of HSPs and high basal content of HSF1 in their cells. (+info)Origins and ecological consequences of pollen specialization among desert bees. (7/427)
An understanding of the evolutionary origins of insect foraging specialization is often hindered by a poor biogeographical and palaeoecological record. The historical biogeography (20,000 years before present to the present) of the desert-limited plant, creosote bush (Larrea tridentata), is remarkably complete. This history coupled with the distribution pattern of its bee fauna suggests pollen specialization for creosote bush pollen has evolved repeatedly among bees in the Lower Sonoran and Mojave deserts. In these highly xeric, floristically depauperate environments, species of specialist bees surpass generalist bees in diversity, biomass and abundance. The ability of specialist bees to facultatively remain in diapause through resource-poor years and to emerge synchronously with host plant bloom in resource-rich years probably explains their ecological dominance and persistence in these areas. Repeated origins of pollen specialization to one host plant where bloom occurs least predictably is a counter-example to prevailing theories that postulate such traits originate where the plant grows best and blooms most reliably Host-plant synchronization, a paucity of alternative floral hosts, or flowering attributes of creosote bush alone or in concert may account for the diversity of bee specialists that depend on this plant instead of nutritional factors or chemical coevolution between floral rewards and the pollinators they have evolved to attract. (+info)The arterial supply to the digits of the forelimb in the Bactrian camel (Camelus bactrianus). (8/427)
The arterial supply of the digits of the forelimb of the Bactrian camel is described. The arteries supplying the digits were the palmar metacarpal and common palmar digital arteries III. The palmar metacarpal artery III was the continuation of the deep medial proximal metacarpal branch which was derived from the medial branch of the radial artery. It gave rise to a nutrient branch, medial branch, lateral branch and distal perforating palmar branch at the proximal end of the distal sixth of the cannon bone (fused third and fourth metacarpal bones). The common palmar digital artery III was the continuation of the median artery, which divided into medial and lateral branches. The medial branch of common palmar digital artery III which occasionally arose from the axial palmar proper digital artery III, after giving rise to the axial proximal proximal phalangeal branch, divided into the axial and abaxial palmar proper digital arteries III. The axial palmar proper digital artery III gave off the dorsoaxial distal proximal phalangeal, dorsoaxial proximal middle phalangeal, dorsoaxial distal middle phalangeal, palmoaxial middle phalangeal, palmoaxial distal phalangeal, dorsoaxial distal phalangeal branches, coronal artery and some digital tori branches. The abaxial palmar proper digital artery III gave rise to the abaxial proximal proximal phalangeal, dorsoabaxial distal proximal phalangeal, dorsoabaxial middle phalangeal, palmoabaxial middle phalangeal, palmoabaxial distal phalangeal, dorsoabaxial distal phalangeal branches, coronal artery and some digital tori branches. The lateral branch of the common palmar digital artery III in its origin, course, branching pattern and supply in the fourth digit was similar to the medial branch of common palmar digital artery III in the third digit. (+info)A desert climate, also known as a hot desert climate or a BWh climate in the Köppen climate classification system, is characterized by extremely low rainfall, typically less than 10 inches (250 mm) per year. This type of climate is found in the world's desert areas, such as the Sahara Desert in Africa, the Mojave Desert in North America, and the Simpson Desert in Australia.
In a desert climate, temperatures can vary greatly between day and night, as well as between summer and winter. During the day, temperatures can reach extremely high levels, often above 100°F (38°C), while at night, they can drop significantly, sometimes below freezing in the winter months.
Desert climates are caused by a combination of factors, including geographical location, topography, and large-scale weather patterns. They typically occur in regions that are located far from sources of moisture, such as bodies of water, and are situated in the interior of continents or on the leeward side of mountain ranges.
Living things in desert climates have adapted to the harsh conditions through various means, such as storing water, reducing evaporation, and limiting activity during the hottest parts of the day. Despite the challenging conditions, deserts support a diverse array of plant and animal life that has evolved to thrive in this unique environment.
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.
Climate change, as defined medically, refers to the long-term alterations in the statistical distribution of weather patterns caused by changes in the Earth's climate system. These changes can have significant impacts on human health and wellbeing.
Medical professionals are increasingly recognizing the importance of addressing climate change as a public health issue. The World Health Organization (WHO) has identified climate change as one of the greatest threats to global health in the 21st century, with potential impacts including increased heat-related mortality, more frequent and severe natural disasters, changes in the distribution of infectious diseases, and decreased food security.
Climate change can also exacerbate existing health disparities, as vulnerable populations such as children, the elderly, low-income communities, and those with chronic medical conditions are often disproportionately affected by its impacts. As a result, addressing climate change is an important public health priority, and medical professionals have a critical role to play in advocating for policies and practices that reduce greenhouse gas emissions and promote adaptation to the changing climate.
The greenhouse effect is not a medical term, but rather a term used in the field of environmental science and meteorology. However, I can certainly provide a definition for you:
The greenhouse effect refers to the warming of Earth's surface and lower atmosphere caused by the trapping of heat by certain gases in the atmosphere, known as greenhouse gases. These gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and fluorinated gases.
When sunlight reaches Earth's surface, it is absorbed and then re-emitted as heat energy, which would normally escape back into space. However, some of this heat is trapped by greenhouse gases in the atmosphere, causing the planet to warm up. This process is essential for life on Earth, as it helps to maintain a stable temperature that supports plant and animal growth.
However, human activities such as burning fossil fuels, deforestation, and agriculture have led to an increase in greenhouse gas emissions, which has caused the natural greenhouse effect to become amplified. This has resulted in global warming and climate change, with potentially serious consequences for both human health and the environment.
I'm sorry for any confusion, but "tropical climate" is not a medical term. It is a geographical term that refers to the climate of tropical regions, which are located around the equator. These regions are characterized by high temperatures and consistent rainfall throughout the year.
However, it's worth noting that certain environmental factors, such as climate, can have an impact on human health. For instance, tropical climates can contribute to the spread of certain diseases, like malaria and dengue fever, due to the presence of mosquitoes that thrive in warm, wet environments. But a "tropical climate" itself is not a medical condition or diagnosis.
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 "rain" is not a medical term. In general, rain refers to water droplets that fall from the sky as part of the Earth's weather cycle. These drops form when moisture in the air condenses and cools, creating clouds which eventually become heavy enough to release the collected water.
If you have any medical concerns or questions, I'd be happy to try and help answer those for you!
A "cold climate" is not a medical term, but rather a geographical and environmental term. However, it is often used in the context of discussing health and medical issues, as cold climates can have various effects on human health.
In general, a cold climate is defined as a region where the average temperature remains below 15°C (59°F) throughout the year or where winter temperatures are consistently below freezing. These climates can be found in high latitudes, such as in the Arctic and Antarctic regions, as well as in mountainous areas at higher altitudes.
Exposure to cold temperatures can have both positive and negative effects on human health. On the one hand, cold weather can help to reduce inflammation and may have some benefits for people with certain medical conditions, such as multiple sclerosis. However, exposure to extreme cold can also increase the risk of hypothermia, frostbite, and other cold-related injuries.
Additionally, cold climates can exacerbate respiratory problems, such as asthma and bronchitis, and may increase the risk of developing respiratory infections like the common cold or flu. People with heart conditions may also be at greater risk in cold weather, as their blood vessels constrict to conserve heat, which can increase blood pressure and put additional strain on the heart.
Overall, while cold climates are not inherently "medical" in nature, they can have significant impacts on human health and well-being, particularly for vulnerable populations such as the elderly, young children, and people with chronic medical conditions.
I'm sorry for any confusion, but "grasshoppers" is not a term used in medical definitions. Grasshoppers are a type of insect that belongs to the order Orthoptera and suborder Caelifera. They are known for their long hind legs which they use for jumping, and some species can jump over 20 times their own body length. If you have any questions about medical terminology or topics, I'd be happy to help with those instead!
I'm sorry for any confusion, but "Global Warming" is not a medical term. It is a term used in the field of climate science and environmental studies. Global warming refers to the long-term increase in Earth's average temperature. As a result of human activities, especially the release of greenhouse gases into the atmosphere, like carbon dioxide and methane, the planet is experiencing an overall rise in temperatures, leading to various consequences such as melting ice caps, rising sea levels, and changing weather patterns. While not a medical term, it is still a critical issue that can have significant impacts on human health, including increased heat-related illnesses and deaths, changes in disease patterns, and threats to food security.
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!
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!
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.
'Homing behavior' is not a term typically used in medical definitions. However, it is commonly used to describe an animal's innate ability to return to its home territory or nest after traveling large distances. This behavior has been observed in various species including birds, insects, and mammals. It is not a medical condition or disease.
I believe you may have accidentally omitted the word "in" from your search. Based on that, I'm assuming you are looking for a medical definition related to the term "ants." However, ants are not typically associated with medical terminology. If you meant to ask about a specific condition or concept, please provide more context so I can give a more accurate response.
If you are indeed asking about ants in the insect sense, they belong to the family Formicidae and order Hymenoptera. Some species of ants may pose public health concerns due to their ability to contaminate food sources or cause structural damage. However, ants do not have a direct medical definition associated with human health.
I'm sorry for any confusion, but "weather" is not a medical term. Weather refers to the state of the atmosphere at a particular place and time, including factors such as temperature, humidity, cloudiness, precipitation, and wind. If you have any questions about medical terms or concepts, I would be happy to try to help answer those for you!
I'm sorry for any confusion, but "trees" is not a medical term. It is a common term used in various fields, including biology, ecology, and dendrology, to refer to a woody perennial plant with a single stem or trunk that supports branches and leaves in most species.
If you have any questions related to medical terminology or health-related topics, please provide more context so I can offer an accurate and helpful response.
Temperature, in a medical context, is a measure of the degree of hotness or coldness of a body or environment. It is usually measured using a thermometer and reported in degrees Celsius (°C), degrees Fahrenheit (°F), or kelvin (K). In the human body, normal core temperature ranges from about 36.5-37.5°C (97.7-99.5°F) when measured rectally, and can vary slightly depending on factors such as time of day, physical activity, and menstrual cycle. Elevated body temperature is a common sign of infection or inflammation, while abnormally low body temperature can indicate hypothermia or other medical conditions.
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.
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.
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.
Northern Africa is a geographical region that broadly consists of the countries of the African Transverse, which are Algeria, Libya, Egypt, Tunisia, Morocco, and Western Sahara. Sometimes, it may also include Sudan, South Sudan, and Mauritania. This region is characterized by its proximity to the Mediterranean Sea and the Atlas Mountains, as well as its unique cultural and historical heritage. Northern Africa has a diverse climate, with a hot, dry desert climate in the interior and a milder, wetter climate along the coasts. The major languages spoken in this region include Arabic, Berber, and French.
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!
I'm sorry for any confusion, but "geology" is not a medical term. It is a scientific discipline that deals with the Earth's physical structure and substance, its history, and the processes that act on it. If you have any questions about medical terminology or concepts, I would be happy to help!
I apologize for any confusion, but "Chile" is not a medical term or concept. It is a country located in South America, known for its long and narrow geography, diverse landscapes, and rich cultural heritage. If you have any questions related to medicine or health, I would be happy to try and help answer those for you.
The Arctic region is not a medical term per se, but it is a geographical and environmental term that can have health-related implications. The Arctic is defined as the region surrounding the North Pole, encompassing the Arctic Ocean and parts of Canada, Greenland (Denmark), Russia, the United States (Alaska), Norway, Sweden, Finland, and Iceland. It is characterized by its cold climate, permafrost, and unique ecosystems.
Exposure to the harsh Arctic environment can pose significant health risks, such as hypothermia, frostbite, and other cold-related injuries. Additionally, the Arctic region has been impacted by climate change, leading to changes in the distribution of wildlife, which can have implications for food security and infectious disease transmission.
Therefore, while not a medical term itself, understanding the Arctic regions and their unique environmental and health challenges is important in fields such as wilderness medicine, environmental health, and public health.
The term "environment" in a medical context generally refers to the external conditions and surroundings that can have an impact on living organisms, including humans. This includes both physical factors such as air quality, water supply, soil composition, temperature, and radiation, as well as biological factors such as the presence of microorganisms, plants, and animals.
In public health and epidemiology, the term "environmental exposure" is often used to describe the contact between an individual and a potentially harmful environmental agent, such as air pollution or contaminated water. These exposures can have significant impacts on human health, contributing to a range of diseases and disorders, including respiratory illnesses, cancer, neurological disorders, and reproductive problems.
Efforts to protect and improve the environment are therefore critical for promoting human health and preventing disease. This includes measures to reduce pollution, conserve natural resources, promote sustainable development, and mitigate the impacts of climate change.
The term "Theoretical Models" is used in various scientific fields, including medicine, to describe a representation of a complex system or phenomenon. It is a simplified framework that explains how different components of the system interact with each other and how they contribute to the overall behavior of the system. Theoretical models are often used in medical research to understand and predict the outcomes of diseases, treatments, or public health interventions.
A theoretical model can take many forms, such as mathematical equations, computer simulations, or conceptual diagrams. It is based on a set of assumptions and hypotheses about the underlying mechanisms that drive the system. By manipulating these variables and observing the effects on the model's output, researchers can test their assumptions and generate new insights into the system's behavior.
Theoretical models are useful for medical research because they allow scientists to explore complex systems in a controlled and systematic way. They can help identify key drivers of disease or treatment outcomes, inform the design of clinical trials, and guide the development of new interventions. However, it is important to recognize that theoretical models are simplifications of reality and may not capture all the nuances and complexities of real-world systems. Therefore, they should be used in conjunction with other forms of evidence, such as experimental data and observational studies, to inform medical decision-making.
I am not aware of a medical definition for the term "Ice Cover." The term "ice" is used in a medical context to refer to a solid piece of frozen urine that can form in the urinary tract, but "cover" does not have a specific medical meaning in this context. If you are looking for information about frostbite or cold-related injuries, I would be happy to help with that. Frostbite is a medical condition caused by exposure to extreme cold, often resulting in damage or destruction of the skin and underlying tissues.
I'm sorry for any confusion, but "soil" is not a term that has a medical definition. Soil is defined as the top layer of earth in which plants grow, a mixture of organic material, clay, sand, and silt. If you have any questions related to medicine or health, I would be happy to try to help answer them for you.
Humidity, in a medical context, is not typically defined on its own but is related to environmental conditions that can affect health. Humidity refers to the amount of water vapor present in the air. It is often discussed in terms of absolute humidity (the mass of water per unit volume of air) or relative humidity (the ratio of the current absolute humidity to the maximum possible absolute humidity, expressed as a percentage). High humidity can contribute to feelings of discomfort, difficulty sleeping, and exacerbation of respiratory conditions such as asthma.
I'm sorry for any confusion, but "geological phenomena" is not a term typically used in medical definitions. Geological phenomena refer to natural processes and features related to the earth's physical structure, composition, and the various changes it undergoes over time. This could include things like volcanic eruptions, earthquakes, rock formations, or the formation of fossil fuels. If you have a term that you would like me to provide a medical definition for, I'd be happy to help!
Tamaricaceae is not a medical term, but a botanical term referring to a family of flowering plants known as the tamarisk family. It includes trees and shrubs that are often found in dry or saline habitats. Some species in this family have been used in traditional medicine, although it's important to note that the use of botanicals for medicinal purposes should be done under the guidance of a healthcare provider due to potential risks and interactions with other medications.
I'm not a medical professional, but the term "History, Ancient" is not a medical term per se. However, in a broader context, it could refer to the study of ancient medical practices, theories, and beliefs that existed in civilizations prior to the Middle Ages or Classical Antiquity. This might include the examination of ancient texts, artifacts, and archaeological evidence to understand how illnesses were treated and viewed in these historical periods. It forms an essential part of the evolution of medical knowledge and practices over time.
I apologize for any confusion, but "agriculture" is not a term that has a medical definition. Agriculture refers to the cultivation and breeding of animals, plants, and fungi for food, fiber, biofuel, medicinal plants, and other products used to sustain and enhance human life. It is an important industry and practice that has been developed over thousands of years and continues to play a critical role in global food production and security.
"Drought" is not a medical term. It is a term used in meteorology and environmental science to refer to a prolonged period of abnormally low rainfall, leading to water shortage and scarcity in the affected areas. Droughts can have various impacts on human health, including dehydration, heat-related illnesses, reduced air quality, increased transmission of waterborne diseases, and mental health issues related to stress and displacement. However, drought itself is not a medical condition.
I'm sorry for any confusion, but "Nevada" is not a medical term. It is the name of a state in the western United States. If you have any medical questions or terms you would like defined, please let me know and I would be happy to help.
"Extinction, Biological" refers to the state or process of a species or taxonomic group becoming extinct, meaning that there are no surviving members remaining alive anywhere in the world. This can occur due to various factors such as environmental changes, competition with other species, overexploitation by humans, or a combination of these and other elements. It is an important concept in the field of biology and conservation, as the extinction of a species can have significant impacts on ecosystems and biodiversity.
Desert climate
Moiynkum Desert
Desert
Central Asian northern desert
Simpson Desert
Colorado Desert
Alvord Desert
Tropical desert
Great Salt Lake Desert
Sonoran Desert
Eastern Desert
Desert ecology
Carcross Desert
Sahara desert (ecoregion)
List of deserts by area
Death Valley
Foresthill, California
San Gregorio, California
Harbor, Oregon
Fields, Oregon
Perris, California
Sutter Creek, California
Rocklin, California
Choapa Province
Persian Gulf desert and semi-desert
Mojave Desert
Red Sea Nubo-Sindian tropical desert and semi-desert
South Iran Nubo-Sindian desert and semi-desert
Calansho Desert
Registan-North Pakistan sandy desert
Lake Tahoe
Layyah District
Geography of Somalia
Desert climate - Wikipedia
Thar Desert
Climate Change in the Sonoran Desert (U.S. National Park Service)
Greenhouse Gas Makes Desert Plants Grow|Climate Change | Live Science
In a desert seared by climate change, burrowers fare better than birds - ScienceBlog.com
Women building a sustainable future: fighting back the desert, amid Niger's refugee and climate crises - Global Issues
Reporting Innovations Hold Promise for Reporting on Climate Change Amid News Deserts | SEJ
Desert Nwr, Nevada: Climate and Daylight Charts and Data
Study claims: Earth will become a DESERT by 2050 if global warming isn't stopped - Climate Depot
1979 Buick Climate Control (#79BUCCB6E)
Desert Control Intensifies U.S. Focus on Climate-Smart Resilience for Agriculture and Green Landscapes: Q2 Results Positions...
The Climate Mechanisms of World Deserts and Limitations in Allan Savory's thesis. • Watts Up With That?
Anomalous Droughts, Not Invasion, Decrease Persistence of Native Fishes in a Desert River | CAKE: Climate Adaptation Knowledge...
US-Qatar Partnership Aims to Find Buried Water in Earth's Deserts - Climate Change: Vital Signs of the Planet
Heavy Rainfalls in a Desert(ed) City - A climate-archaeological case study from central Sudan | Topoi
Hydro-biological characterization and efficiency of natural waste stabilization ponds in a desert climate (city of Assa,...
Kryatjurr Of Desert Ahd - Underestimate Climate Systems And Suffer Incomprehensible Losses (2023) - Metal Area - Extreme Music...
Zone 9 desert climate best practices thread -
Ourfigs.com
Suede/Desert Boots - Drying Out + Treatment (+ Video)
Effect of Desert Climate in Addiction Recovery
Choosing the Best Gutters for Desert Climates
Zoning - Elite Climate Control - HVAC High Desert
Desert Quotes About the Scorching Climate | Everyday Power
Best Greenhouses for a Desert Climate - Top 5 Options
Tips for Exercising in a Desert Climate | Fusion Workplaces
Cold desert regions need special attention: Experts
Community Blogs - GLOBE.gov
HAIX Scout desert, The perfect tactical boot for hot climate zones
Study Reveals Surprising Biodiversity in Extreme Desert Climates - DJ Ava Trip
Palm Desert climate: weather by month, temperature, rain - Climates to Travel
Kalahari Desert2
- Here we use a newly developed numerical model, which fully couples vegetation and sediment-transport dynamics, to simulate potential landscape evolution at three locations in the Kalahari Desert, under two future emissions scenarios: stabilising (RCP 4.5) and high (RCP 8.5). (nature.com)
- Appropriate land management strategies must be implemented across the Kalahari Desert to avoid severe environmental and socio-economic consequences over the coming decades. (nature.com)
Mojave Desert9
- The Sonoran desert tortoise is a recently-recognized distinct species of desert tortoise, separate from the Mojave desert tortoise. (westernwatersheds.org)
- Jessica Dacey, director of communications at the Mojave Desert Land Trust, holds packages with hand-collected desert seeds at the Mojave Desert Seed Bank, Wednesday, June 12, 2023, near Joshua Tree, Calif. While seed banks started as a way to preserve rare and exotic plants in the U.S., they now also contain more commonly found seeds, which are increasingly in demand as climate change elevates the risk of natural disasters. (rmoutlook.com)
- In the Mojave Desert, seeds from parish goldeneye and brittlebush are scooped up by staff and volunteers working to build out seed banks in the hope these can be used in restoration projects as climate change pressures desert landscapes. (rmoutlook.com)
- This definitely highlights the importance of proactive seed banking as a fire management tool and how challenging it can be to keep up with the fire threats," said Cody Hanford, joint executive director of the Mojave Desert Land Trust. (rmoutlook.com)
- But they also can destroy large tracts of land and wildlife habitat in places such as the Mojave Desert, where they are becoming more commonplace due in part to the spread of invasive grasses prone to burning quickly, fueling flames, experts said. (rmoutlook.com)
- More collections also are being made by Bureau of Land Management crews in the Mojave Desert region, the agency said. (rmoutlook.com)
- Eastern Joshua tree ( Yucca jaegeriana ) plays a central role in the ecology of the Mojave Desert ecosystem. (frontiersin.org)
- We examined the density, size class structure, and regeneration response of Joshua tree populations on a network of one kilometer transects along the boundaries of four independent wildfires and the interior of the largest fire that occurred 15 years ago (2005) in the northeast Mojave Desert. (frontiersin.org)
- Red brome ( Bromus rubens L.), an invasive annual grass, has played a significant role in increasing fire activity in the Mojave Desert by increasing plant fuels' continuity and flammability upon drying at the end of the growing season ( Brooks and Matchett, 2006 ). (frontiersin.org)
20222
- In February 2022, Dr. Mohieldin was appointed by the Egyptian Government as the UN Climate Change High-Level Champion for Egypt at the 2022 United Nations Climate Change Conference (COP27), with aims at enhancing the communication between the Egyptian presidency of COP27 and businesses, the private sector and, international funding institutions working in climate change-related fields. (dii-desertenergy.org)
- Desert Control started operations in the United States in March 2022, initiating a validation study for LNC on American soil with the University of Arizona, and is now beginning to gain market adoption in the U.S., starting with Limoneira. (pr.com)
Change24
- These vulnerable livelihoods could be disrupted if desert dunefields become more active in response to climate and land use change. (nature.com)
- Our simulations suggest that whilst our study sites will experience some climatically-induced landscape change, the impacts of climate change alone on vegetation cover and sediment mobility may be relatively small. (nature.com)
- Jan. 13, 2017 - As the Earth warms from climate change, the risk of lethal dehydration and mass die-offs of songbirds during heat waves will increase in many areas of the world, according to a study published today in the scientific journal Proceedings of the National Academy of Sciences . (yubanet.com)
- And it's happening to about two-thirds of the world's grasslands, accelerating climate change and causing traditional grazing societies to descend into social chaos. (designverb.com)
- WildEarth Guardians and Western Watersheds Project, represented by the Western Environmental Law Center, challenged the U.S. Fish and Wildlife Service's (Service) decision because the agency failed to consider science on climate change and livestock grazing, among other factors. (westernwatersheds.org)
- We are simply asking this federal agency to do its job - protect species on the brink of extinction from the ever-increasing threats caused by climate change, increased urbanization, and border militarization," said Tuell. (westernwatersheds.org)
- Initially, they were collected as a way to preserve rare and exotic plant species, but efforts now also focus on gathering from commonly-found plants that are increasingly in demand as climate change elevates the risk of wildfires and the growth of invasive species that can crowd out native vegetation. (rmoutlook.com)
- Join the LAII for a presentation with Dr. Andrés Cibils, Professor of Rangeland Science in the Department of Animal and Range Sciences at New Mexico State University, as he discusses climate change in the desert of the southwest. (unm.edu)
- But being able to collect rainwater is not enough if the rainfall becomes as erratic as it has in interior Maharashtra in recent years - a phenomenon attributed to climate change by the Intergovernmental Panel on Climate Change . (indiaclimatedialogue.net)
- People could increasingly face such risks as climate change makes wildfires, drought, dust storms, and floods more frequent across the U.S. and the world. (thenevadaindependent.com)
- Climate change is going to affect lung disease," said Dr. Nicholas Kenyon , a professor of pulmonary, critical care, and sleep medicine at the University of California-Davis School of Medicine in California, where he and several other researchers are tracking the effects of wildfires. (thenevadaindependent.com)
- The Rio Grande-Rio Bravo is the lifeblood of the water scarce Chihuahuan desert region but climate change, coupled with rising populations and diversifying demands, threatens the river's future and the future of those who rely on it. (worldwildlife.org)
- The region's watersheds are suffering from overuse, construction of dams, groundwater extraction, pollution, and the drying impacts of climate change. (worldwildlife.org)
- But deserts are known to be harsh, climate-wise, and this is enough to change people's mind. (indiatimes.com)
- Patients sometimes drive hundreds of miles to access specialized lung care, a growing concern as climate change sparks wildfires that fill the air with smoke and ash. (medscape.com)
- How to Save Plants from Climate Change? (sciencedaily.com)
- 27, 2023 Climate change and a range of human-caused factors have disrupted the habitats of many California native trees and other plant species. (sciencedaily.com)
- The Earthshot Prize aims to find new solutions that work on every level, have a positive effect on environmental change and improve living standards globally, particularly for communities who are most at risk from climate change . (africanconservation.org)
- Experts from the University of Stirling, working closely with the Government of Gabon, have led an international study into the impact of climate change on Central Africa's rainforests and the threat posed to elephant populations in the region. (africanconservation.org)
- Hongshan culture was succeeded by the Lower Xiajiadian culture (2200-1600 BC), which was replaced by a different Upper Xiajiadian culture (1000-600 BC) with a shift from farming to pastoral nomadism , likely due to climate change . (wikipedia.org)
- The GeoHealth Hub Climate Change and Health in the Middle East and North Africa (MENA), a collaborative initiative between three U.S. universities and three universities from the MENA Region, to generate evidence for policies to minimize adverse health impacts of climate change in the region through state-of-the-art approaches. (nih.gov)
- Climate Change: Update on Science. (nih.gov)
- Emerging Vibrios in the Climate Change Paradigm. (nih.gov)
- Today environmental justice addresses disparate social conditions holistically, working to bring justice for communities that experience food deserts, climate change, inaccessible transportation and health needs, economic deprivation, dilapidated housing, and other environmental hazards that directly impact human health and human life. (cdc.gov)
Chihuahuan Desert6
- At the Chihuahuan Desert Rangeland Research Center we have found that in southern New Mexico, summers are becoming increasingly hotter, annual rainfall is increasingly variable, and the onset of summer rains is occurring later in the year. (unm.edu)
- WWF's conservation efforts focus on the Big Bend region of the northern Chihuahuan Desert, which includes important parts of the Rio Grande/Bravo watershed in the U.S. and Mexico. (worldwildlife.org)
- For more than 15 years, WWF and its bi-national partners have been working in the northern Chihuahuan Desert to protect and bring back freshwater and grassland ecosystems for the benefit of wildlife and people. (worldwildlife.org)
- The Chihuahuan Desert boasts 3,000 plant species, including more than 500 of the world's 1,500 species of cactus. (worldwildlife.org)
- The Chihuahuan Desert, long a corridor for trade between Mexico City and Santa Fe, New Mexico, is now home to five million people. (worldwildlife.org)
- A border town just across the Rio Grande River from El Paso, Juarez, or Ciudad Juarez, is the largest metropolitan area in the Chihuahuan Desert region. (worldwildlife.org)
North Africa1
- Hot desert climates are found across vast areas of North Africa, Western Asia, northwestern parts of the Indian Subcontinent, southwestern Africa, interior Australia, the Southwestern United States, the south-eastern coast of Spain, northern Mexico, the coast of Peru, and Chile. (wikipedia.org)
Sand dunes3
- Only 5% of the Gobi Desert is sand dunes. (koryogroup.com)
- The Namib Desert is a coastal desert in Namibia and southwestern Angola that encompasses the world's highest sand dunes, gravel plains, and rugged mountains . (newworldencyclopedia.org)
- The desert is also home to a large number of small rodent species that occur among the rocky habitats in the western deserts, in the sand dunes, and in the vegetation of the gravel plains. (newworldencyclopedia.org)
Thar Desert4
- Thar Desert, India's biggest and best desert landscape, offers opportunities for camping and exploration, particularly in areas like Jaisalmer, Bikaner, Jodhpur and Kutch. (indiatimes.com)
- Thar Desert, India's biggest and the best desert landscape, is somewhat less explored. (indiatimes.com)
- The Thar Desert is one of the largest deserts in the world and offers opportunities for desert camping and exploration. (indiatimes.com)
- Thar Desert, India's biggest and best desert landscape, offers opportunities for camping and e. (indiatimes.com)
Atacama Desert of northern Chile2
- Although no part of Earth is known for certain to be rainless, in the Atacama Desert of northern Chile, the average annual rainfall over 17 years was only just 5 millimetres (0.20 in). (wikipedia.org)
- Soils from the hyperarid Atacama Desert of northern Chile were sampled along an east-west elevational transect (23.75 to 24.70 degrees S) through the driest sector to compare the relative structure of bacterial communities. (nih.gov)
Impacts1
- This means that climate models are underestimating the warming impacts of dust on the Earth-atmosphere system. (reading.ac.uk)
Arid13
- The desert climate or arid climate (in the Köppen climate classification BWh and BWk) is a dry climate sub-type in which there is a severe excess of evaporation over precipitation. (wikipedia.org)
- To delineate "hot desert climates" from "cold desert climates", a mean annual temperature of 18 °C (64.4 °F) is used as an isotherm so that a location with a BW type climate with the appropriate temperature above this isotherm is classified as "hot arid subtype" (BWh), and a location with the appropriate temperature below the isotherm is classified as "cold arid subtype" (BWk). (wikipedia.org)
- Most desert/arid climates receive between 25 and 200 mm (1 and 8 in) of rainfall annually, although some of the most consistently hot areas of Central Australia, the Sahel and Guajira Peninsula can be, due to extreme potential evapotranspiration, classed as arid with the annual rainfall as high as 430 millimetres or 17 inches. (wikipedia.org)
- To determine whether a location has an arid climate, the precipitation threshold is determined. (wikipedia.org)
- If the area's annual precipitation is less than half the threshold (50%), it is classified as a BW (desert climate), while 50-100% of the threshold results in a semi-arid climate. (wikipedia.org)
- The climate of the Sahel is arid and hot, with strong seasonal variations in rainfall and temperature. (missionalcall.com)
- It forms a transitional zone between the arid Sahara (desert) to the north and the belt of humid savannas to the south. (missionalcall.com)
- The Sahel, the vast semi-arid region of Africa separating the Sahara Desert to the north and tropical savannas to the south, is as much a land of opportunities as it is of challenges. (missionalcall.com)
- The area is considered to be the oldest desert in the world, having endured arid or semi-arid conditions for an estimated 55 to 80 million years. (newworldencyclopedia.org)
- The Namib Desert is believed to be the world's oldest desert and it has been arid for at least 55 million years. (newworldencyclopedia.org)
- In that semi-arid climate, I lived amid sagebrush and dust. (religion-online.org)
- eastern Oregon is primarily rural, with an arid, high desert climate. (cdc.gov)
- A study in Japan in the 1980s found a similar association of pulmonary NTM disease (primarily MAC) with urban and wet environments compared with arid and rural regions in our study but unlike our study was not able to evaluate differences in disease rates between urban and rural areas independent of climate differences ( 9 ). (cdc.gov)
Landscapes2
- JOSHUA TREE, Calif. (AP) - Flowers that haven't been seen in years bloomed across Southern California this spring after massive winter downpours, creating not only colorful landscapes but a boon for conservationists eager to gather desert seeds as an insurance policy against a hotter and drier future. (rmoutlook.com)
- Norwegian AgTech company Desert Control has developed a liquid natural clay (LNC) that restores and enhances soil ecosystems to reduce usage and improve efficiency of water, fertilizers, and natural resources for agriculture, forests, and green landscapes. (pr.com)
Habitats2
- Sonoran desert tortoises are found in desert scrub habitats in Arizona and Mexico, east and south of the Colorado River. (westernwatersheds.org)
- The desert also harbors North America's largest prairie dog colony as well as nesting sites and migratory habitats for more than 500 bird species. (worldwildlife.org)
India3
- Have you tried desert camping in India? (indiatimes.com)
- Desert camping in India is an activity that is less explored but can be a unique and exciting experience. (indiatimes.com)
- India is blessed with such a diverse landscape - from mountains and dense forests to coasts and desert, we got them all. (indiatimes.com)
Type of climate1
- Covering 14.2% of Earth's land area, hot deserts are the second most common type of climate on Earth after the polar climate. (wikipedia.org)
Dust9
- One important part of this system is the iron cycle, in which iron-containing soil dust is transported from land through the atmosphere to the oceans, affecting ocean biogeochemistry and hence having feedback effects on climate and dust production. (uea.ac.uk)
- Desert Dust in the Atmosphere: Giant Particles, Giant Consequences? (reading.ac.uk)
- As I write, storm Gloria decays over the Mediterranean Sea, while large amounts of desert dust whipped up by strong winds over the Sahara desert have been whirled in to action by Gloria and remain in the atmosphere. (reading.ac.uk)
- It is important for climate models to be able to accurately predict dust in our atmosphere. (reading.ac.uk)
- Previously, scientists didn't think that 'giant' particles, larger than about 20 microns - half the width of a human hair - could travel very far, or impact climate very much, so giant dust was excluded from climate models. (reading.ac.uk)
- 2019). Scientists have been flying aircraft over deserts and dusty oceans , taking new measurements of dust which can properly measure the giant particles. (reading.ac.uk)
- Over the Sahara, climate models miss 18-26% of the interactions between dust and radiation. (reading.ac.uk)
- This may have important effects in the future - for example, if our world becomes dustier due to desertification, dust may cause additional warming which is being missed by climate models. (reading.ac.uk)
- It will focus on climate-sensitive environmental risks such as nitrate pollution, heat waves, desert dust pollution, and air pollution. (nih.gov)
Harsh2
- The aim of this conference was to bring together international experts from academia and industry - as well as relevant stakeholders - to share the latest research, technology, and innovation developments addressing challenges and opportunities in the Energy-Water-Environment (EWE) nexus, particularly the requirements for EWE nexus in harsh desert climates. (aip.org)
- Despite the harsh climate, it is an adventure worth having. (indiatimes.com)
Extreme aridity2
- that is, a climate of extreme aridity. (the-eis.com)
- It is a climate of extreme aridity, usually of extreme heat, and of negligible rainfall. (nih.gov)
Subtropical2
- Hot desert climates (BWh) are typically found under the subtropical ridge in the lower middle latitudes or the subtropics, often between 20° and 33° north and south latitudes. (wikipedia.org)
- Australia is the textbook case - situated right under the subtropical high pressure that predominates over the center of the continent, climate disruption will cause the high pressure to become even more strong than it already is, expanding the desert conditions toward the coast and poleward (south), which is exactly what is happening there. (newswise.com)
Vast3
- 9. The Gobi Desert region first became known in Europe through Marco Polo in the 13th Century who described this vast land vividly. (koryogroup.com)
- The Gobi Desert: Camels make up a significant proportion of life in this vast expanse of land. (koryogroup.com)
- The kit fox roams the vast grasslands of the northern desert. (worldwildlife.org)
Continent1
- This makes hot deserts present in every continent except Antarctica. (wikipedia.org)
1,000 miles1
- The Gobi Desert is the largest desert in Asia, spanning over 1,600 km (1,000 miles) over China and Mongolia, and the 5th largest desert in the world. (koryogroup.com)
Species10
- TUCSON, Ariz..-Today, wildlife advocates challenged the federal government's denial of Endangered Species Act (ESA) protections for the Sonoran desert tortoise in federal court. (westernwatersheds.org)
- These unique desert animals need legal protections to escape extinction," said Taylor Jones, endangered species advocate for WildEarth Guardians. (westernwatersheds.org)
- Overgrazing of their natural desert habitat by livestock, and some taking of oryx for private collections, were lesser contributory factors in the species' demise. (independent.co.uk)
- The region has remained a relatively stable center for the evolution of desert species . (newworldencyclopedia.org)
- The Namib Desert is home to a number of unusual species of plants and animals that are found nowhere else in the world. (newworldencyclopedia.org)
- There are almost 70 reptile species in the ecoregion, of which five are found only in the Namib Desert. (newworldencyclopedia.org)
- The desert is home to more than 130 species of mammals, such as the Mule deer and pronghorn. (worldwildlife.org)
- This magnificent desert landscape is threatened by population growth, poor water management, agricultural expansion, invasive species, illegal wildlife trade, and a lack of understanding about the desert's ecological importance. (worldwildlife.org)
- There is concern that increasing fire activity in North American deserts may favor the establishment and spread of exotic alien species to the exclusion of the native plant communities ( Klinger and Brooks, 2017 ). (frontiersin.org)
- At lower burn severity, desert succulents with high water content tend to be less vulnerable to burning, while two dominant Mojave species, Larrea tridentata and Yucca jaegeriana may escape because of their taller stature ( Minnich, 1995 ). (frontiersin.org)
Temperature1
- The desert climate of the southwestern United States can induce extreme daily and seasonal variations in temperature. (trb.org)
Scrub1
- In the desert scrub, roadrunners scurry after earless lizards while golden eagles search among the agave and creosote for blacktailed jackrabbits. (worldwildlife.org)
Amid1
- The findings illustrate that strategies are needed to conserve diverse plant and animal communities that supply shelter and water to desert birds amid future climate warming. (yubanet.com)
20171
- The biggest concern related to novel fire regimes in deserts is the potential for state and transition changes due to positive responses of invasive annual grasses to post-fire conditions shortening fire return intervals so that native vegetation has little time to recover ( Horn and St. Clair, 2017 ). (frontiersin.org)
Humid1
- 20. The pattern of indoor and outdoor respiratory allergens in asthmatic adult patients in a humid and desert newly developed country. (nih.gov)
Found1
- With climate projections forecasting increases in the frequency, intensity and duration of heat waves, Albright and his colleagues, professor Blair Wolf from the University of New Mexico Department of Biology and Alexander Gerson, assistant professor, Department of Biology, University of Massachusetts-Amherst, found the risk continues to increase. (yubanet.com)
Rocky1
- The typically bald, rocky, or sandy surfaces in desert climates are dry and hold little moisture, quickly evaporating the already little rainfall they receive. (wikipedia.org)
Environmental3
- Dr. Timothy Krantz , an environmental scientist at the University of Redlands, can speak to the climate changes causing the extreme fire conditions in Australia and the devastating impact on its unique wildlife. (newswise.com)
- It is believed that these animals are better able to cope with a hotter and more variable environment while inflicting a lower environmental footprint on desert rangelands. (unm.edu)
- The environmental conditions of Earth, including the climate, are determined by physical, chemical, biological, and human interactions that transform and transport materials and energy. (uea.ac.uk)
Heat4
- The world absolute heat records, over 50 °C (122 °F), are generally in the hot deserts, where the heat potential can be the highest on the planet. (wikipedia.org)
- Tom Albright, associate professor of geography at the University of Nevada, Reno, was in the desert southwest studying lethal dehydration in songbirds caused by heat waves. (yubanet.com)
- 3. Despite the lack of blistering heat, the Gobi Desert still lies exposed and has some of the most extreme temperatures in the world. (koryogroup.com)
- Climate models project that heat waves will increase in frequency and severity. (nih.gov)
Populations1
- The livelihood of rural populations along the US-Mexico border in the desert Southwest is tightly linked to cattle ranching. (unm.edu)
Mountains1
- Oregon is bisected north-south by mountains into 2 distinct climate zones. (cdc.gov)
Search1
- Similar to what is occurring in the Southwest desert ranchers and researchers in other Latin American countries are beginning to raise local Criollo cattle biotypes in their search for strategies to adapt to changing climates. (unm.edu)
Moisture2
- The high desert is not known for its rainfall, but any leaks or condensation that create pockets of moisture are a sign that you may have mold problems. (eliteclimatecontrol.net)
- You also need to get those moisture issues solved pronto, so call up a professional from Elite Climate Control. (eliteclimatecontrol.net)
Southwest2
- Whether you have lived in the desert areas of the southwest United States for many years or are just moving to the area, an exciting feature are the many fruit trees that can be planted on your property. (greengoddess.com)
- Orange trees are a staple in the desert southwest and in our area. (greengoddess.com)
Dunes1
- The aim of the project was to create a second skin for an overlay pavilion at Expo 2020 in Dubai with a façade design that evokes desert dunes. (polimi.it)
Bloom4
- A Desert in Bloom (Is. (religion-online.org)
- Notch-leaved Phacelia and Golden Evening Primrose bloom in a desert wash. (nps.gov)
- Even on normal bloom years, early spring months can bring smaller pockets of flowers to the desert floor, and later to the mid- and high-elevations. (nps.gov)
- Common in the Telescope peak area, The Wavyleaf Desert Paintbrush is easily recognized during the spring bloom by its bright red paintbrush shaped flowers. (nps.gov)
Extinction2
- Krantz can speak on these issues and a variety of topics related to climate disruption, extinction, endangerment, and other issues affecting the environment. (newswise.com)
- For five years the Fish and Wildlife Service recognized the grave danger of extinction facing the Sonoran desert tortoise," said Cyndi Tuell, Arizona & New Mexico Director for Western Watersheds Project. (westernwatersheds.org)
Communities2
- Implementation of pharmacy disaster protocols, particularly among communities in pharmacy deserts, should be studied to enhance the continued delivery of care to patients. (ucsf.edu)
- Analysis of denaturing gradient gel electrophoresis (DGGE) profiles from each of the samples revealed that microbial communities from the extreme hyperarid core of the desert clustered separately from all of the remaining communities. (nih.gov)
Experience4
- Some deserts in the tropics consistently experience very high temperatures all year long, even during wintertime. (wikipedia.org)
- Tour leader Rich Beal has 15 years of experience leading tours to Mongolia, including remote areas of Mongolia's far west and Gobi Desert. (koryogroup.com)
- During the winter season, one must attend the Rann Festival to get the best of the 'desert' experience. (indiatimes.com)
- Although Somalia has a largely desert climate, parts of the country experience seasonal monsoons. (cdc.gov)
Environment5
- The Qatar Environment and Energy Research Institute (QEERI) hosted and organized International Conference on Sustainability, Energy, Water, and Environment Nexus in Desert Climates took place from December 2 through 5 in Doha, Qatar. (aip.org)
- Both desert and grazing land, the Sahel has attracted a population as varied as its environment. (missionalcall.com)
- Simply speaking, desert camping is setting up a campsite and spending the night in a desert environment. (indiatimes.com)
- The current distribution of pulmonary NTM disease has been poorly characterized with regard to environment, climate, and other factors. (cdc.gov)
- 8. An analysis of skin prick test reactions in asthmatics in a hot climate and desert environment. (nih.gov)
Conditions2
- The increasing extent, frequency, and intensity of dehydrating conditions under a warming climate may alter daily activity patterns, geographic range limits and the conservation status of affected birds. (yubanet.com)
- A growing number of ranchers on both sides of the border are beginning to raise desert-friendly cattle breeds that are able to cope with more variable forage conditions and hotter temperatures. (unm.edu)
Cattle1
- 15. Most inhabitants in the Gobi Desert work raising cattle, living a nomadic life. (koryogroup.com)
Grasslands1
- He now believes - and his work so far shows - that a surprising factor can protect grasslands and even reclaim degraded land that was once desert. (designverb.com)
Area3
- Would the rain shadow effect cause this area to be a desert? (stackexchange.com)
- Would the rain shadow effect cause the yellow area to be a desert or be a forest(doesn't matter what kind) like the turquoise area would be? (stackexchange.com)
- The desert occupies an area of around 31,200 m² (80,000 km²), though its east-west width varies from 30 to 100 miles (50-160 km). (newworldencyclopedia.org)
High2
- Even though Denver's elevation does not give rise to altitude sickness or other health concerns associated with mountain towns (most airplane cabins are pressurized between 5,000-8,000 feet as a safe and healthy range for most people), we beseech you to not be complacent-as much of Colorado is actually a high-plains desert. (sirensconference.org)
- Because insurance companies in the high desert and other climates are backing away from covering mold damage, you will have to pay the costs out of pocket, which can easily exceed several thousand dollars depending on the damage. (eliteclimatecontrol.net)
Wildflowers1
- Wildflowers pop up in the desert climate of Death Valley during the spring months. (nps.gov)
Southwestern1
- The Chihuahuan is the largest desert in North America-stretching all the way from the southwestern United States deep into the Central Mexican Highlands. (worldwildlife.org)
Sahara2
- Some locations in the Sahara Desert such as Kufra, Libya, record an even drier 0.86 mm (0.034 in) of rainfall annually. (wikipedia.org)
- In the millennia that followed, the climate dried out, leaving the Sahara Desert. (discovermagazine.com)
Conservation1
- But fires like these encourage the land trust, which buys desert land for conservation, to expand its seed collection efforts, sending staff and volunteers out to gather seeds, clean and jar them for storage. (rmoutlook.com)
Mediterranean1
- It's surrounded by desert on three sides, with the Mediterranean to the north. (discovermagazine.com)
Sides1
- begingroup$ @AlexP So both sides would have a substantial desert? (stackexchange.com)
Cold4
- There are two variations of a desert climate according to the Köppen climate classification: a hot desert climate (BWh), and a cold desert climate (BWk). (wikipedia.org)
- How cold do deserts get at night? (missionalcall.com)
- 2. The Gobi Desert is cold. (koryogroup.com)
- Hot during the day and cold at night, that's what desert camping entails. (indiatimes.com)
BIOLOGY1
- Eventually, these ancient civilizations realized that the Nile was prone to an annual "flood of a hundred days," as spring rains hit the Ethiopian highlands, according to a 2009 collection of studies into the river's history, geology, biology and climate. (discovermagazine.com)
