DispersalBiophysicalHydrodynamicSpeciesEcologicalRecruitmentConnectivityDispersionAbundanceJuvenile2016LarvaePlanktonic2021SimulationsQuantifyPredationTest hypothesesInteractionsAnalysesFisheriesNumericalTransportPatternsShelfProcessesPopulationsZebrafishOceanContributionBiogeochemicalBiologicalSeasonalEcosystemComplexityFactorsOutputsApproachesLimitationDevelopmentSystemAtmosphericStudiesAreasDistribution
Dispersal13
- 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)
- 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)
- 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)
- We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. (sagepub.com)
- 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)
- Population persistence in the marine environment is driven by patterns of ocean circulation, larval dispersal, ecological interactions, and demographic rates. (ifremer.fr)
- My research interests include: biohydrodynamics, larval ecology, ecological & evolutionary effects of dispersal, chemical ecology, effects of biodiversity loss and design of Marine Protected Areas. (gu.se)
- Local adaptation driven by evolution of dispersal traits in marine larvae Most marine invertebrate disperse during a planktonic larval stage that may last for many weeks while drifting with the ocean circulation. (gu.se)
- The traditional view is that the expected long-distance larval dispersal in the ocean leads to weak population differentiation and little opportunity for local adaptations. (gu.se)
- One explanation is that larval dispersal is more restricted than previously believed. (gu.se)
- Dispersal effects of larval behavior is almost unknown and we aim to study larvae of shore crabs (Carcinus maenas) and implications for dispersal and evolution of local adaptations. (gu.se)
- 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)
- We propose to develop a biophysical transport model to simulate the dispersal of early life history stages of the two most abundant fish species, Arctic cod ( Boregadus saida ) and saffron cod ( Eleginus gracilis ), in the Chukchi Sea and the Beaufort Sea. (osri.us)
Biophysical1
- With information from 1-3 we will use biophysical modeling, which includes larval behavior and ocean transport, to test hypotheses about how evolution of specific larval behaviors enhancing recruitment also may provide opportunities for local adaptations through reduced gene flow with distant populations. (gu.se)
Hydrodynamic3
- Due to the species' sensitivity to fragmentation in response to strong water movement, hydrodynamic conditions (e.g. waves, pass and lagoonal circulation) corresponded to marked differences in colony size distributions, morphology and recruitment dynamics among habitats. (plos.org)
- Two different modeling systems, aimed at providing coastal flooding early warning and coastal hazard assessment, presented difficulties in forecasting the coastal hydrodynamic response during these seaward-traveling events, regardless of the grid resolution, which might be ascribed to a lack of terrestrial processes and uncertainties in the bathymetry and boundary conditions. (copernicus.org)
- Simulating the Effects of Hypoxia on Bay Anchovy in the Chesapeake Bay Using Coupled Hydrodynamic, Water Quality, and Individual-Based Fish Models -- 13. (osu.cz)
Species9
- 2001). There are two general models for the location of juvenile habitats within the total range for a species which reflect life history strategies of the species. (wikipedia.org)
- The life cycles of many marine species depend on a dispersive larval stage that connects spatially segregated populations. (frontiersin.org)
- We identify how the models have helped advance understanding of key processes for these species. (sagepub.com)
- We then discuss which aspects of the early life of marine species in the Benguela Current ecosystem are still not well understood and could benefit from new modelling studies. (sagepub.com)
- The modelled results are also applied to a more general discussion of the transport of eggs and larvae of commercial fish and invertebrate species on the Western Australian continental shelf, and it is shown that the seasonality and position on the shelf of the spawning may play a large role in the movement (and hence survival and ultimate recruitment) of different species. (edu.au)
- Larval and juvenile recruitment of two Abudefduf damselfish species at Rottnest Island vary both seasonally and inter-annually. (edu.au)
- 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)
- We combine observations of late larval and early juvenile stages of both species during the summer of 2012 and 2013 with laboratory - derived estimates of their temperature-dependent growth to parameterize an individu al particle tracking model (TRACMASS) that includes growth and vertical movement. (osri.us)
- The correlation of model outputs with abundance of individual mosquito species as well as CHIKV-positive mosquito pools was tested. (biomedcentral.com)
Ecological3
- This session invites contributions based on observations, modelling, theory, and palaeo proxy reconstructions in the Indian Ocean that focus on recent and projected changes in Indian Ocean physical and biogeochemical properties and their impacts on ecological processes, interactions and exchanges between the Indian Ocean and other ocean basins, as well as links between Indian Ocean variability and monsoon systems across a range of timescales. (copernicus.org)
- Modeling Hypoxia and its Ecological Consequences in Chesapeake Bay -- 7. (osu.cz)
- This book consists of 15 chapters that are broadly organized around three main topics: (1) Modeling of the physical controls on hypoxia, (2) Modeling of biogeochemical controls and feedbacks, and, (3) Modeling of the ecological effects of hypoxia. (osu.cz)
Recruitment4
- 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)
- Using the output of a high-resolution ocean general circulation model, particle-tracking experiments were performed to infer the distribution of larvae of the Japanese sardine (Sardinops melanostictus) and to detect effects of transport environment on sardine recruitment, and observed data of sardine spawning grounds during 1978-2004. (scirp.org)
- 2016. Ocean Acidification Effects on Atlantic Cod Larval Survival and Recruitment to the Fished Population . (gov.scot)
- 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)
Connectivity5
- For habitat forming organisms in particular, understanding the relationship between larval connectivity and meta-population dynamics aids in planning for marine spatial management. (ifremer.fr)
- Here, we estimate networks of connectivity between fringing coral reefs in the North West Shelf of Australia by combining a particle tracking model based on shelf circulation with models of sub-population dynamics of individual reefs. (ifremer.fr)
- Third, patterns of network connectivity change significantly as a function of yearly shelf circulation trends, and non-linearity in network dynamics makes mean connectivity a poor representation of yearly variations. (ifremer.fr)
- We have also implemented an oil spill model, and a probabilistic dispersion and larval connectivity modeling system (CMS) based on a stochastic Lagrangian framework and incorporating biological attributes. (edu.sa)
- Assess connectivity between past and present eelgrass meadows using bio-physical models and population genetic methods and to assess genetic diversity with the aim to identify vulnerable and valuable eelgrass areas. (gu.se)
Dispersion1
- 2009. Dispersion of Eggs, Larvae and Pelagic Juveniles of White Hake ( Urophycis tenuis ) in Relation to Ocean Currents of the Grand Bank: A Modelling Approach. (nafo.int)
Abundance2
- HSRL scientist Daphne Munroe is leading current research that estimates and examines the links between increased scallop abundance and potential for young scallops being supplied to other areas using coupled larval biology and physical circulation models. (rutgers.edu)
- Seven models were positively correlated with mosquito abundance and one ( Aedes taylori ) was consistently, positively correlated with CHIKV-positive mosquito pools. (biomedcentral.com)
Juvenile1
- Newly emerging evidence suggests that larval and juvenile fish may also be susceptible to changes in ocean pH levels," Doney added. (sciencedaily.com)
20161
Larvae7
- 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)
- After ingestion of Ascaris lumbricoides eggs, larvae hatch in the intestine and penetrate the mesenteric lymphatics and venules to enter the pulmonary circulation. (medscape.com)
- Application of an individual-based particle tracking model to the migration of tropical fish larvae alongthe continental shelf between the Houtman Abrolhos Islands and Rottnest Island (Western Australia)has shown that there is potential for the southwards advection of passive particles/larvae in theLeeuwin Current system throughout the year. (edu.au)
- 2] performed the application of an individual-based particle tracking model to the migration of tropical fish larvae along the continental shelf between the Houtman Abrolhos Islands and Rottnest Island (Western Australia). (scirp.org)
- Eggs hatch into larvae, which develop, enter the circulation of the intermediate host, and encyst in the musculature or other organs. (msdmanuals.com)
- that is, if eggs rather than tissue cysts are ingested, the eggs develop into larvae, which enter the circulation and encyst in various tissues. (msdmanuals.com)
Planktonic2
- We test the ability of this approach to recover food web indices (nitrate uptake, nitrogen fixation, zooplankton trophic level, and secondary production) derived from forward models simulating the planktonic ecosystems of the California Current and Amazon River Plume. (fsu.edu)
- To elucidate the food web pathways supporting the trophic structure and carbon export in this unique ecosystem, we used Markov Chain Monte Carlo techniques to assimilate data from four independent realizations of δ15N and planktonic rate measurements from the CRD into steady state, multicompartment ecosystem box models (linear inverse models). (fsu.edu)
20212
- Circulation of other respiratory pathogens, including respiratory syncytial virus (RSV), common human coronaviruses (HCoVs) types OC43, NL63, 229E, and HKU1, and parainfluenza viruses (PIVs) types 1-4 also decreased in early 2020 and did not increase until spring 2021. (cdc.gov)
- Human metapneumovirus (HMPV) circulation decreased in March 2020 and remained low through May 2021. (cdc.gov)
Simulations1
- We analyze simulations of the Pacific Ocean oxygen minimum zones (OMZs) from 11 Earth system model contributions to the Coupled Model Intercomparison Project Phase 5, focusing on the mean state, climate change projections, and interannual variability. (copernicus.org)
Quantify1
- A global model is constrained with empirical relationships to quantify how shifts in sinking-particle sizes modulate particulate organic carbon export production changes in a warming ocean. (copernicus.org)
Predation1
- Hypoxia Effects Within an Intraguild Predation Food Web of Mnemiopsis leidyi ctenophores, larval fish, and copepods -- 12. (osu.cz)
Test hypotheses1
- The model will be linked to a recently developed pan - arctic ocean circulation model (PAROMS) to test hypotheses about the origin and fate of young - of - the - year Arctic and saffron cod. (osri.us)
Interactions1
- Advances have recently been made in our understanding of the Indian Ocean's circulation, interactions with adjacent ocean basins, and its role in regional and global climate. (copernicus.org)
Analyses1
- This book provides a snapshot of representative modeling analyses of coastal hypoxia and its effects. (osu.cz)
Fisheries1
Numerical2
Transport1
- 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)
Patterns2
- The water is warmer, circulation patterns are changing in unpredictable ways, and oceans are becoming acidic. (sciencedaily.com)
- Modeling is necessary because of rapidly changing coastal circulation and stratification patterns that affect hypoxia, the large spatial extent over which hypoxia develops, and limitations on our capabilities to directly measure hypoxia over large spatial and temporal scales. (osu.cz)
Shelf4
- However, seasonal variations in the prevailing wind fieldresult in corresponding seasonal changes in the surface current flow (both alongshore and cross-shelf)on the continental shelf, leading to a pulse of modelled particles arriving at Rottnest Island during theautumn months. (edu.au)
- The model has a 10 km grid spacing, and so can resolve some of the current gradients across the continental shelf. (edu.au)
- They have a strong influence on shelf circulation and the distribution of biota. (edu.au)
- Oregon Shelf Hypoxia Modeling -- 10. (osu.cz)
Processes1
- As part of the USGS Coral Reef Project, the overall objective of this research effort is to better understand how circulation and sediment processes impact coral reefs and their adjacent coastlines. (usgs.gov)
Populations4
- 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)
Zebrafish4
- The zebrafish as an alternative animal model for developmental toxicity testing has been extensively investigated, but its assay protocol was not harmonized yet. (bvsalud.org)
- As an optically transparent model organism with an endothelial blood-brain barrier (BBB), zebrafish offer a powerful tool to study the vertebrate BBB. (elifesciences.org)
- Expanding our understanding of the zebrafish BBB can thus reveal the mechanistic similarities between the zebrafish and mammalian BBB to further evaluate the position of zebrafish as a model organism for studying the BBB. (elifesciences.org)
- The objective of this study was to determine the role of LXR during development using the zebrafish model. (scirp.org)
Ocean3
- We are combining ocean, engineering, ecologic, social, and economic modeling to provide a high-resolution, rigorous, spatially-explicit valuation of the coastal flood protection benefits provided by coral reefs and the cost effectiveness of reef restoration for enhancing those benefits. (usgs.gov)
- Nonetheless, significant gaps remain in understanding, observing, modeling, and predicting Indian Ocean variability and change across a range of timescales. (copernicus.org)
- The ocean modeling group consists of Dr. Jamie Pringle, Bror Jonsson, and students. (unh.edu)
Contribution1
- This contribution will present our efforts to build advanced modeling and forecasting capabilities for the Red Sea, which is part of the newly established Saudi ARAMCO Marine Environmental Research Center at KAUST (SAMERCK). (edu.sa)
Biogeochemical2
- Consequently, we added these organisms to a marine biogeochemical model (PISCES-v2) and evaluated their impact on the global carbon cycle. (copernicus.org)
- Modeling Physical and Biogeochemical Controls on Dissolved Oxygen in Chesapeake Bay: Lessons Learned from Simple and Complex Approaches -- 6. (osu.cz)
Biological1
- Comparisons to similar models constrained with data from the nearby equatorial Pacific demonstrate that the dominant role of vertical migrators to the biological pump is a unique feature of the CRD. (fsu.edu)
Seasonal2
Ecosystem2
Complexity1
- A Reduced Complexity, Hybrid Empirical-Mechanistic Model of Eutrophication and Hypoxia in Shallow Marine Ecosystems -- 5. (osu.cz)
Factors2
- Environmental data representing land cover, topographic, and climatic factors were included in the models. (biomedcentral.com)
- Generalized logit models were used to compare HPV prevalence in the prevaccine study to the postvaccine study by patient age, adjusting for sampling factors. (cdc.gov)
Outputs1
- We are using the models outputs together with available observational data to study all aspects of the Red Sea circulations. (edu.sa)
Approaches2
Limitation1
- Modeling River-Induced Phosphorus Limitation in the Context of Coastal Hypoxia -- 8. (osu.cz)
Development1
- Animal models demonstrated that development of pulmonary eosinophilia is T cell-dependent because challenged athymic mice do not develop pulmonary eosinophilia. (medscape.com)
System3
- As part of USGS Coral Reef Project studies, the USGS has been heavily involved in efforts to improve the health and resilience of Maui's coral reef system, bringing expertise in mapping, circulation and sediment studies, and seismic surveys. (usgs.gov)
- Residual circulation and freshwater retention within an event-driven system of intertidal basins. (nioz.nl)
- Freshwater influx from movements and melting of sea ice or ice sheets may lead to a weakening of the global thermohaline circulation, causing unpredictable instabilities in the climate system. (climatecooling.org)
Atmospheric2
- Climate change is rapidly transforming the world's oceans by increasing the temperature and acidity of seawater, and altering atmospheric and oceanic circulation, reported a panel of scientists. (sciencedaily.com)
- Climate change is rapidly transforming the world's oceans by increasing the temperature and acidity of seawater, and altering atmospheric and oceanic circulation, reported a panel of scientists at the American Association for the Advancement of Science annual meeting in Boston. (sciencedaily.com)
Studies1
- The USGS has been involved heavily in these studies, bringing expertise in mapping, circulation and sediment studies, and seismic surveys. (usgs.gov)
Areas1
- Eight models predicted high relative occurrence rates of mosquitoes near the villages of Tenkoto and Ngary, the areas with the highest frequency of CHIKV-positive mosquito pools. (biomedcentral.com)
Distribution1
- We therefore modeled the distribution of seven CHIKV mosquito vectors over two sequential rainy seasons in Kédougou, Senegal using Maxent. (biomedcentral.com)