• This study has demonstrated the ability of otolith chemistry to discriminate source populations of pelagic larvae in a fully marine environment, which provides a basis to quantify larval movement between fish populations. (frontiersin.org)
  • The ability to discriminate between larvae that originated from different source populations provides a basis to quantify larval movement in marine ecosystems. (frontiersin.org)
  • In addition, the duration of biparental care had a positive effect on brood size at dispersal (χ 2 = 5.91, df = 1, P = 0.015), increasing by approximately 0.8 larvae for each additional day of biparental care. (researchgate.net)
  • Larval settlement was 4× higher during low discharge than during high discharge when oyster larvae only settled in higher salinity regions (EMS). (mblwhoilibrary.org)
  • This was investigated in a second experiment, in which the horizontal dispersal of T. tenuis larvae was examined in the presence of heather and grass vegetation. (psu.edu)
  • These are the focal point of the next section: to describe how the microbial communities associated with sponge larvae influence life in the plankton, how these symbiont communities are influenced by the environment, and how they may be key to transition back to the seafloor. (truemessage.com)
  • In the brief hiatus from the benthos, sponge larvae can face substantial local variation in temperature, salinity, and light that influence their dispersal through disruptions in development, locomotion, and behavior [149, 150]. (truemessage.com)
  • These same ecological factors may influence animal microbiomes and, in particular, those of marine invertebrate larvae [152, 153]. (truemessage.com)
  • To determine how physical processes and biological behaviors influence larval dispersal on the inner shelf, time series of larval concentrations were quantified during August 1994, on the Outer Banks of North Carolina, U.S.A. Zooplankton pumps, moored in 21 m of water at 3.2, 8.7, and 12.2 m above bottom, collected larvae every 3 h for 3 weeks. (typeset.io)
  • Until recently, the only technique available for reliable species identification of bivalve larvae was direct microscopic observation, but even this method is restricted to larval stages and species that can be distinguished morphologically. (typeset.io)
  • The widely distributed amphidromous goby Sicyopterus lagocephalus needs drastic change of habitat to fulfil its life-cycle: adults live and spawn in rivers, where eggs hatch in pro-larvae that have to reach the sea in a narrow temporal scale, to acquire marine characteristics, and begin their oceanic dispersal as planktonic larvae. (sfi-cybium.fr)
  • Pro-larvae behaviour evolves once in seawater: larvae remain on vertical position with their head oriented downwards (i.e., freshwater pro-larval behaviour) but they also spend more time horizontally, after the opening of the mouth, showing a behaviour of horizontal swimming, with acceleration phases, that may be interpreted as a hunting behaviour. (sfi-cybium.fr)
  • However, not all larvae are equal, and it is the goal of my research to study what it is about certain aspects of larval physiology that allow them to thrive and grow quickly in otherwise stressful conditions. (usc.edu)
  • Results indicate that bedload dispersal is temporally variable and dependent on an interaction between species-specific characteristics (including seasonal peaks in reproduction), site-specific hydrographic conditions, grain size characteristics and transport of sediments and drift algae. (int-res.com)
  • Dispersal of more passive taxa (Ostracoda, juvenile gastropods, Macoma balthica ) was found to be associated with higher rates of sediment and algal transport, while more active species ( Hydrobia ulvae and Potamopyrgus antipodarum ) dispersed relatively more at sheltered sites. (int-res.com)
  • While the distribution of species is heavily influenced by peaked larval recruitment over large spatial scales, the net result of continuous small-scale dispersal events is clearly important and may contribute to the resilience of benthic communities. (int-res.com)
  • The life cycles of many marine species depend on a dispersive larval stage that connects spatially segregated populations. (frontiersin.org)
  • Benthic species connectivity in the marine environment relies on the degree of exchange of pelagic larval stages from habitats where adult populations spawn and subsequent recruitment in areas where the juveniles can survive to sexual maturity. (frontiersin.org)
  • His current research focuses on the processes that influence dispersal and recruitment in coastal marine invertebrates, with a particular interest in the evolutionary consequences of larval developmental modes among Hawaiian coral reef species. (peerj.com)
  • The introduction, spread and establishment of marine non-native species, facilitated by species' dispersal capabilities and enhanced by the continued expansion of global trade and transportation networks, presents a global threat to marine biodiversity and ecosystem functioning. (copernicus.org)
  • With a better understanding of the role of nearshore dynamics on larval transport processes, it is possible to more accurately simulate the spread of non-native species in the marine environment. (copernicus.org)
  • A possibility for the lack of a relationship between PLD and range size may stem from the failure of past studies to account for the effect of species evolutionary ages, which may add to the dispersal capabilities of species. (fomelab.org)
  • Our results suggest species- level differences in dispersal ability and breeding phenology are driving observed patterns of genetic differentiation. (missouri.edu)
  • From an evolutionary standpoint, the observed differences in dispersal distances and genetic structure between fall breeding and spring breeding species may be a result of the trade- off between larval period length and size at metamorphosis which in turn may influence the long- term viability of the metapopulation. (missouri.edu)
  • Additionally, rising sea surface temperatures due to climate change can influence the distribution and behavior of marine species. (ez-life-001.net)
  • Larval and juvenile recruitment of two Abudefduf damselfish species at Rottnest Island vary both seasonally and inter-annually. (edu.au)
  • Differences in environmental conditions between the two years of monitored recruitment likely affected larval dispersal and survival, contributing to observed interannual differences in the newly recruiting cohorts. (wm.edu)
  • The early life history of fishes is a critical period for effective conservation and management, as many processes during this period influence survival and subsequent recruitment to larger size-classes ( Chambers and Trippel 1997 ). (bioone.org)
  • She gained most of her research experience in Palau, Micronesia, where she worked as a researcher for the Palau International Coral Reef Center for six years while completing her Ph.D. Her research mainly focuses on the influence of reefs' environments and biophysical attributes on the ecological processes occurring during recovery, such as larval dispersal, coral recruitment and growth. (gbrrestoration.org)
  • The observed inter-annual variability in recruitment is not as well matched by the model as is the seasonal pattern, but this is almost certainly due to uncertainties in biological factors such as spawning strength, food and predation en route, which are not known. (edu.au)
  • Observations were carried out to monitor the larval abundance, settlement and recruitment of barnacles on a regular basis for a period of two years. (nio.res.in)
  • Freshwater-dominated estuaries experience large fluctuations in their physical and chemical environments which may influence larval dispersal, settlement, and connectivity of populations with pelagic larval stages. (mblwhoilibrary.org)
  • Biophysical models of larval dispersal use outputs of physical hydrodynamic models as inputs to individual-based models in which biological processes acting during the larval life are included. (sagepub.com)
  • However, shelf-scale biophysical models typically omit near-shore and inter-tidal features and processes, which potentially play a significant role in larval dispersal. (copernicus.org)
  • This study focuses on variations of the GoM deep water on seasonal to interannual time scales and the influences of open ocean processes on the temporal variation of the deep water properties. (mblwhoilibrary.org)
  • Although our simplified models are first-order approximations, the relative importance of physical and biochemical processes influencing export or retention of a substance can be assessed using mean residence time and the timescale for net removal. (mblwhoilibrary.org)
  • Specifically, we (1) tested how freshwater inputs and associated environmental attributes influenced settlement patterns during high and low discharge conditions in 2014 and 2016, respectively, and (2) analyzed trace element (TE) ratios incorporated into multiple shell types (larval and settled shell of spat and adult shells) to determine if shells collected in situ incorporate temporally stable site-specific signatures. (mblwhoilibrary.org)
  • 1989) and this buffering capacity can influence the ecology of other organisms that utilize kelp environments for larval dispersal and settlement, for example rockfish (Carr 1991). (eopugetsound.org)
  • This sponge requires nitric oxide signaling to stimulate larval settlement, but the host is unable to biosynthesize arginine [167, 168]. (truemessage.com)
  • The results from this study can be used to provide important insights in genetic management units and sustainable utilization of M. unguiculatus resources and provide a better understand of genetic structure of marine bivalve with similar planktonic larval stage in the China Sea. (bvsalud.org)
  • Quantification of planktonic larval distributions has been limited by processing time, given the large numbers of samples generated by extensive field surveys. (typeset.io)
  • Moloney, CL 2015-12-18 00:00:00 We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. (sagepub.com)
  • We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. (sagepub.com)
  • Within the ECOSTRUCTURE project we are developing biophysical modelling techniques to help predict and understand the dispersal of marine organisms in the Irish Sea. (copernicus.org)
  • ABSTRACT: Quantifying rates of dispersal and understanding patterns of colonization are key for predicting disturbance-recovery dynamics. (int-res.com)
  • In addition, basic work on the molecular evolution of reproductive isolation and its influence on patterns of speciation uses marine model systems such as sea urchins. (stanford.edu)
  • We use an unstructured, finite element, hydrodynamic model of a topographically-complex coastline (which includes headlands, bays and channels) at four different spatial scales (50 - 500 m) to compare the influence of model spatial resolution on transport and dispersal patterns of particles released within the nearshore region. (copernicus.org)
  • While we were able to infer probable connectivity patterns using adult and larval shells, more study is needed to assess the utility of adult shells as proxies for natal-location TE signatures. (mblwhoilibrary.org)
  • The patterns displayed in the hazard and exposure maps reflect the high degree of heterogeneity that exists throughout the city of Dakar and its suburbs, due not only to the influence of environmental factors, but also to urban deprivation. (biomedcentral.com)
  • By investigating factors influencing their origins, intensities, speeds, directions, and interactions with other forces like wind patterns or seafloor topography, researchers can unravel critical insights about how oceans function globally. (ez-life-001.net)
  • While many studies have demonstrated the influence of personality traits on behavioral patterns, its quantification, especially in wild an. (biomedcentral.com)
  • The data also suggest that differences between the temperatures of the larval and adult environments affects adult mosquito survival. (biomedcentral.com)
  • Carry-over effects of urban larval environments on the transmission potential of dengue-2 virus. (uga.edu)
  • In the Benguela, such models were first applied to simulate the dispersal of anchovy Engraulis encrasicolus and sardine Sardinops sagax ichthyoplankton, and more recently of the early life stages of chokka-squid Loligo reynaudii and Cape hakes Merluccius spp. (sagepub.com)
  • Environmental temperature affects Anopheles survival directly during the juvenile and adult stages, and indirectly, since temperature during larval development significantly influences adult survival. (biomedcentral.com)
  • Larval ticks were infected using an immersion technique, and transstadial transmission of virus to the nymphal and then to the adult stages was demonstrated. (cdc.gov)
  • Now fully involved with the Reef Restoration and Adaptation Subprogram 'Moving Corals', Marine will contribute to the development of larval enhancement restoration practices over large spatial scales as a way to optimize the early recovery of coral reefs on the Great Barrier Reef. (gbrrestoration.org)
  • On a broader scale, the designation of closely related clusters and incorporation of habitat requirements to dispersal data provided critical input for the delineation of ecologically meaningful management units for sea cucumbers within the region. (frontiersin.org)
  • These results suggest that the lack of habitat isolation can potentially render the constraining effect of dispersal on range size insignificant and explain why dispersal does not relate to range size in reef fishes. (fomelab.org)
  • Substrate movement, as a result of altered nearshore hydrology and geomorphology, may also influence the amount of available habitat for attachment of kelps (Mumford 2007). (eopugetsound.org)
  • Larval habitat suitability was mapped through a deductive geospatial approach involving the participation of experts with a strong background in vector ecology and validated with existing geolocated entomological data. (biomedcentral.com)
  • Adult vector habitat suitability was derived through a similar process, based on dispersal from suitable breeding site locations. (biomedcentral.com)
  • The identification of key criteria influencing vector habitat suitability, their translation into geospatial layers, and the assessment of their relative importance are major outcomes of the study that can serve as a basis for replication in other sub-Saharan African cities. (biomedcentral.com)
  • Quantitative validation of the larval habitat suitability map demonstrates the reliable performance of the deductive approach, and the added value of including local vector ecology experts in the process. (biomedcentral.com)
  • We also assessed if TE ratios compared between adult (TE natal signature proxy) and larval shells could infer connectivity. (mblwhoilibrary.org)
  • Results provide a baseline for measuring future larval connectivity and adult distribution changes in the MB-EMS system. (mblwhoilibrary.org)
  • Temperature during larval development and adult maintenance influences the survival of Anopheles gambiae s.s. (biomedcentral.com)
  • Data currently exist on the influence of constant and fluctuating adult environmental temperature on adult Anopheles gambiae s.s. survival and on the effect of larval environmental temperature on larval survival, but none on how larval temperature affects adult life-history parameters. (biomedcentral.com)
  • Upon emergence into imagoes, individual adult females were either left at their larval temperature or placed at a different temperature within the range above. (biomedcentral.com)
  • The effect of a 4°C increase in larval temperature from 27°C to 31°C depended on the adult environmental temperature. (biomedcentral.com)
  • Most marine invertebrates have a larval form built for dispersal that is distinct from its adult form, and this concept makes the analogy of a space ship very fitting. (usc.edu)
  • Colonization, dispersal and hybridization influence phylogeography of North Atlantic sea urchins (Strongylocentrotus droebachiensis). (csic.es)
  • However, quantifying larval movement among populations remains one of the greatest challenges in marine ecology. (frontiersin.org)
  • Identifying the degree of larval exchange among populations is necessary to understand population dynamics and inform stock structure. (frontiersin.org)
  • However, quantifying larval movement among populations remains a significant challenge. (frontiersin.org)
  • The locations were ranked according to each metric and those with higher larval export rates, a higher diversity of larval sources and a high degree of successful larval contribution to other sites were deemed crucial for the management of wild populations. (frontiersin.org)
  • Larval exchange is considered ecologically relevant if the demography of local populations is impacted by the transport between two sites ( Cowen and Sponaugle, 2009 ). (frontiersin.org)
  • In this study, two passive sampling methods were compared for use in collecting larval freshwater and estuarine fishes in two tropical streams. (bioone.org)
  • Connectivity results (May-June 2016 only) suggest that EMS is an important larval source to EMS and lower MB. (mblwhoilibrary.org)
  • 2019. Direct measurements of fight or flight behavior in a beetle reveals individual variation and the influence of parasitism. (uga.edu)
  • A passive larval dispersal model was run under four monsoonal regimes (Northeast monsoon, dry-transition, Southwest monsoon, and early Northeast monsoon), and the results subjected to the Infomap network detection algorithm. (frontiersin.org)
  • However, if dispersal over ecological (i.e. (fomelab.org)
  • If these ecological variables cause a prolonged larval duration and a delay in metamorphosis, then juvenile fitness will likely be compromised [136, 151]. (truemessage.com)
  • These defenses combined with a short pelagic duration may make sponges favorable for vertical transmission because the microbial cells are less likely to be wasted as a result of larval mortality. (truemessage.com)
  • Migration phenology is shifting for many long-distance migrants due to global climate change, however the timing and duration of migration may influence the environmental conditions individuals encounter, with. (biomedcentral.com)
  • Here, we evaluate how nearshore flows affect coastal larval spread in the Irish Sea, a semi-enclosed energetic shelf sea with considerable potential for renewable energy developments as well as with evidence of existing marine non-native communities. (copernicus.org)
  • For scleractinian corals, spatial differences in temperature, light, water flow and water quality conditions can influence their distribution and population dynamics [ 2 - 5 ]. (plos.org)
  • In the Benguela, such models were first applied to simulate the dispersal of anchovy Engraulis encrasicolus and sardine Sardinops sagax ichthyoplankton, and more recently. (sagepub.com)
  • To investigate the temporal persistence of post-larval bedload transport in a non-tidal system, field experiments were conducted at 4 sites (5 m depth) across a wind-wave exposure gradient over 2 summers. (int-res.com)
  • 2017. Environmental persistence influences infection dynamics for a butterfly pathogen. (uga.edu)
  • 0.05) explanatory variables for total larval catch were stream, sampling method, week of summer, time of day, and moon phase. (bioone.org)
  • My hope is to provide quantitative values to describe how larval development is affected by future climate scenarios. (usc.edu)
  • Influence of water temperature on the larval development of Neoverruca sp. (sinica.edu.tw)
  • The effect of temperature on mosquito life-history might also affect transmission by influencing fecundity, which is limited by size. (biomedcentral.com)
  • Although sketches of these interactions are known, their integration is lacking but essential to allow us to predict how temperature may influence malaria transmission. (biomedcentral.com)
  • Population structure is also influenced by rates of migration into and out of the population. (encyclopedia.com)
  • More T. tenuis L3 were recovered from soil when heather was present, implying that larval migration may be influenced by chemical cues produced by heather plants. (psu.edu)
  • To shed light on why dispersal has such a limited effect on range size, we developed a global ocean circulation model to quantify the connectivity among tropical reefs relative to the potential dispersal conferred by PLD. (fomelab.org)
  • In this paper, a time series of larval concentrations were quantified during August 1994, on the Outer Banks of North Carolina, U.S.A. They were found to be 10 2 ‐10 4 m 23 for polychaetes, bivalves, and gastropods. (typeset.io)
  • Larval concentrations were typically 10 2 ‐10 4 m 23 for polychaetes, bivalves, and gastropods and 10‐10 2 m 23 for brachyuran crab zoeae. (typeset.io)
  • At least two larval groups comprised the clam and snail time series, one with fairly high abundances in cool water and the other with peak concentrations in warm water. (typeset.io)
  • My larval cultures are exposed to various food concentrations, temperatures, and levels of CO2, and I will be tracking the total energy available to them (through respiration), how much protein, lipid, and carbohydrate they consume and deposit as biomass, and finally how quickly they synthesize and turn over the proteins in their bodies. (usc.edu)
  • Assessment of early life history characteristics requires effective sampling methods for larval fishes. (bioone.org)
  • This is a result of poor dispersal potential, as tanaidaceans have direct development, no pelagic stage, and very limited swimming capacity. (csic.es)
  • This case study demonstrates how ocean currents can transport heat over vast distances, thereby influencing regional climates. (ez-life-001.net)
  • In coral reef ecosystems, the magnitude of water flow is mostly related to the wave energy dispersal [ 5 ]. (plos.org)
  • They have a strong influence on shelf circulation and the distribution of biota. (edu.au)
  • Fine-grained heterogeneity was revealed by the output maps, and besides the influence of environmental factors, the strong links between urban malaria and deprivation were also highlighted. (biomedcentral.com)
  • The influence of reducing the application rates of phosphorus and potassium fertilizers on fruit quality and soil status was examined in a Satsuma mandarin ( Citrus unshiu Marc. (ishs.org)
  • There was no influence on fruit quality by reducing the application rates of phosphate and potassium fertilizers. (ishs.org)
  • This summer I will be using the white urchin Lytechinus pictus and the Pacific oyster Crassostrea gigas as model organisms for studying how larval growth rates are influenced by the physiology of feeding. (usc.edu)
  • We also observed a genetic influence from an oyster strain used previously for restoration. (wm.edu)
  • Mosquito size can influence epidemiologically relevant traits such as longevity, length of the gonotrophic cycle, immunocompetence, size of the bloodmeal (and probability of infection), biting rate, and intensity of infection. (biomedcentral.com)
  • To understand genetic relatedness and geographic dispersal of SLEV in the western United States since 2015, we sequenced four historical genomes (3 from California and 1 from Louisiana) and 26 contemporary SLEV genomes from mosquito pools from locations across the western US. (cdc.gov)
  • Given the topography of the Western United States, these routes may have been limited by mountain ranges that influence the movement of avian reservoirs and mosquito vectors, which probably represents the primary mechanism of SLEV dispersal. (cdc.gov)
  • The environment plays a huge role in influencing a larva's ability to adapt or thrive. (usc.edu)
  • We aimed to interpret results in the framework of current hypotheses on the distribution of small invertebrates with very limited dispersal ability. (csic.es)
  • For instance, consider the Gulf Stream, a well-known ocean current that originates in the Gulf of Mexico and influences both North American and European climates. (ez-life-001.net)