• The researchers say the individual found in Brazil probably reached those waters via natural long-distance larval dispersal. (thefishsite.com)
  • 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)
  • 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)
  • 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)
  • 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)
  • Most larvae control may control their vertical position in the water column and can perhaps exploit depth-dependent variations in water transport to modify their net dispersal. (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)
  • Larval dispersal models suggest that the bay near the Route 72 Causeway bridge can potentially catch more recruits from oyster larvae, Thompson explained, adding that "anecdotal observations have spotted natural settlement of oysters in that area on pilings and bulkheads. (stockton.edu)
  • 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)
  • It is estimated that 55% of the microbial taxa associated with sponge larvae are acquired horizontally [44, 113], but very few experiments have determined whether these horizontal acquisitions also aid in coping with environmental variation. (truemessage.com)
  • Here, the geographic distribution of mosquito species known to be competent JEV vectors in the country was estimated by combining known mosquito occurrences and ecological drivers of distribution to reveal insights into communities at highest risk of infectious disease transmission. (mdpi.com)
  • 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)
  • Subsequent out of - and into India dispersal of species after accretion to the Eurasian mainland is therefore often seen as a biogeographic factor that 'diluted' the composition of previously isolated Indian biota. (biomedcentral.com)
  • The life cycles of many marine species depend on a dispersive larval stage that connects spatially segregated populations. (frontiersin.org)
  • Their divergence, possibility indicative of incipient speciation, along with the absence of the other two species at Kemp, may be the consequence of differing dispersal capabilities across a ~1000 m depth range and/or different selective regimes between the two areas. (bas.ac.uk)
  • The clip features the large number of Nassau grouper at the site (estimated at 3,000-3,500 individuals) a few days prior to spawning, the use of the site by many different species to spawn (including horse-eye jack), Caribbean reef sharks that try to prey on spawning (and distracted! (reef.org)
  • The role of larval dispersal, post-recruitment migration, and marine current dynamics as drivers of genetic connectivity in this species is discussed. (bio.br)
  • Alexandra Blanchet '18 is an algologist, which means she grows various species of algae to feed larval oysters. (stockton.edu)
  • 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)
  • 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)
  • Dispersal ability plays a key role in the maintenance of species in spatially and temporally discrete niches of deep-sea hydrothermal vent environments. (northumbria.ac.uk)
  • however, the direction of migration appeared to differ among the species, probably because of different dispersal strategies. (northumbria.ac.uk)
  • We propose that geological background, such as spreading rate which determines distance among vent fields, is related to the larval dispersal and population establishment of vent-endemic animal species, and may play an important role in controlling connectivity among populations within a biogeographical province. (northumbria.ac.uk)
  • The timing of first and second cell division, prototrochal cilia formation and completion of the velum was plotted against water temperature to determine the biological zero point (BZP) (i.e., the theoretical minimum temperature below which larval development is arrested) for each species. (edu.au)
  • Such information enables the prediction of the dispersal window for each species at a given temperature. (edu.au)
  • Courtship behaviour, captive breeding, embryonic and larval developments of Nemateleotris decora and its rearing with suitable live feed were described. (researchgate.net)
  • Embryonic and larval development of Haliotis rubra and H. laevigata was observed at water temperatures of 12-2°C from fertilisation to completion of the velum. (edu.au)
  • Shaw, A., D'Aloia, C. C. & Buston, P. M. (2019) The evolution of marine larval dispersal kernels in spatially structured habitats: analytic models, individual-based simulations, and comparisons with empirical estimates. (bu.edu)
  • However, this approach is seriously impeded by lack of information on dispersal and connectivity between habitats, the value of the ecosystem services, and methods to integrate this information in management. (gu.se)
  • Increased frequency of infection among residents with a septic tank suggests a need to investigate whether septic tanks serve as larval habitats for mosquito vectors of DENV in American Samoa. (cdc.gov)
  • High levels of pre-ovulatory, parental investment in trophic care of neonates appear to be a factor important to hatchling survival during early life stages such as dispersal from the nest, movement to aquatic habitats, and the period prior to which hatchlings attain a positive energy balance in relatively low resource environments. (bioone.org)
  • Her research career has focused on invertebrate population dynamics, larval behavior and dispersal, and reproduction, particularly in bivalves. (uri.edu)
  • 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)
  • Temperature plays an important role in the life history, behavior, fitness and abundance of insects, as well as the successful colonization and dispersal of invasive insects (Renault et al. (springer.com)
  • Data collected from this research was used to inform a larval dispersal model, which was created in partnership with researchers from Florida Atlantic University and the University of Miami (RSMAS).This model also incorporated larval behavior and physical ocean trails to simulate how blue crab larvae is distributed throughout Florida and neighboring states. (myfwc.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)
  • 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)
  • New data on larval hatching, development and behaviour from laboratory experiments and field studies are presented. (nofima.com)
  • The biological model simulated the larval development of shrimp from hatching to zoea V, and their vertical migratory behaviour. (nofima.com)
  • Dealing with food shortage: larval dispersal behaviour and survival on non-prey food of the hoverfly Episyrphus balteatus. (mpg.de)
  • Larval dispersal and spatial distribution of reproducing females of Pandalus borealis in the Barents Sea were investigated. (nofima.com)
  • 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)
  • Colonization, dispersal and hybridization influence phylogeography of North Atlantic sea urchins (Strongylocentrotus droebachiensis). (csic.es)
  • 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)
  • Lagrangian Particle Simulations will be performed to deliver estimates of potential connectivity of the larval and early-juvenile stages across geographic regions. (ualg.pt)
  • 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)
  • The data also suggest that differences between the temperatures of the larval and adult environments affects adult mosquito survival. (biomedcentral.com)
  • 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)
  • 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)
  • Dispersal of larval and juvenile seabream: implications for Mediterranean marine protected areas. (alr-journal.org)
  • 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)
  • This is a result of poor dispersal potential, as tanaidaceans have direct development, no pelagic stage, and very limited swimming capacity. (csic.es)
  • 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)
  • Our results further confirm that effective larval dispersal in red coral is highly restricted in the northwestern Mediterranean Sea, suggesting that an increase of anthropogenic disturbance could aggravate the disappearance of red coral, not only along the Mediterranean coasts but also, and with more intensity, in the main Mediterranean islands. (unibo.it)
  • 2015. Larval dispersal and movement patterns of coral reef fishes, and implications for marine reserve network design. (alr-journal.org)
  • Significant slowdown of immature (larval and pupal) development and decrease in adult emergence rate after treatment with sub-lethal doses of the bacterium were also detected. (bvsalud.org)
  • 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)
  • Our analyses also revealed a previously unrecognized adaptive radiation of toads containing a variety of larval and adult ecomorphs. (biomedcentral.com)
  • Adult vector habitat suitability was derived through a similar process, based on dispersal from suitable breeding site locations. (biomedcentral.com)
  • Once sequencing is complete, we will use analytical programs that estimate gene flow and divergence from the DNA data to asses the population connectivity of sampled H. rubicundus . (oxy.edu)
  • Larval lifespans may, however, be extended by low temperature-induced metabolic rate reduction in the Southern Ocean, muting the impact of dispersal strategy on patterns of population structure. (bas.ac.uk)
  • Dispersal patterns of coastal fish: implications for designing networks of marine protected areas. (alr-journal.org)
  • Collectively, this study determined that female fecundity was highly variable among the four locations and estimates ranged from 47,000 to 5.4 million eggs in a single egg mass. (myfwc.com)
  • 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)
  • 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)
  • 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)
  • Specifically, we aim to (1) identify likely spawning locations by tracking particles backward in time from known summer aggregations in the Chukchi Sea and (2) simulate pathways of dispersal from these aggregations to downstream nursery areas, which may include areas in the Beaufort Sea. (osri.us)
  • 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)
  • outbreaks may well result from a combination of factors that vary with time and location [ 15 ], or they may simply be an artefact of the dispersal of passive larva in the water column [ 16 ]. (hindawi.com)
  • for estimating population size. (cdc.gov)
  • On the basis of population genetic analyses in the eastern Pacific vent fields, dispersal of animals in the mid-oceanic ridge systems generally appears to be constrained by geographical barriers such as trenches, transform faults, and microplates. (northumbria.ac.uk)
  • In the present study, we monitored the dispersal of four representative animals, Austinograea rodriguezensis, Rimicaris kairei, Alviniconcha and the scaly-foot gastropods, among these vent fields by using indirect methods, i.e., phylogenetic and population genetic analyses. (northumbria.ac.uk)
  • This information will be important in future conservation decisions relating to Garibaldi and other fish with larval dispersal phases, as well as in the development and maintenance of Marine Protected Areas in the SCB. (oxy.edu)
  • A lack of differentiation is notable for Kiwa tyleri, which exhibits extremely abbreviated lecithotrophic larval development, suggestive of a very limited dispersal range. (bas.ac.uk)
  • In this study, the supercooling capacity and low-temperature tolerance of this pest were examined under laboratory conditions and its overwintering potential in Xinjiang was estimated. (springer.com)
  • Duration of the larval stage is 14-20 days, with the first three instars requiring about two days each and the last three instars requiring about three days each. (ufl.edu)
  • Promise and problems for estimating management costs of marine protected areas. (alr-journal.org)
  • The paths will be recorded by ARGOS satellites for 45 days and the resulting data will be used to develop a larval dispersal model in collaboration with researchers from University of Miami. (reef.org)
  • In collaboration with local stakeholders (Greenwich Shellfish Commission and Stella Mar Oysters) Dr. Bayer and her colleagues at Milford Laboratory collected data needed to estimate farm-scale rates of nitrogen reduction for cultivated eastern oysters in Greenwich Bay, Connecticut. (uri.edu)
  • Estimates of historic and recent limpet gene flow between the ESR and Kemp are consistent with predominantly easterly currents and potentially therefore, cross-axis currents on the ESR, with biogeographic implications for the region. (bas.ac.uk)
  • Microsatellite-based FST estimates appeared much smaller than ITS-based estimates and not significantly correlated, likely due to microsatellite allele size homoplasy typical of these highly polymorphic loci. (unibo.it)
  • It is estimated that one female lionfish can spawn more than two million eggs per year. (thefishsite.com)
  • Molecular dating estimates and biogeographic analyses indicate that the early diversification of this clade happened in the Western Ghats and Sri Lanka during the Late Oligocene to Early Miocene. (biomedcentral.com)
  • Annual shrimp surveys conducted by the Norwegian Institute of Fisheries and Aquaculture provided abundance estimates of spawning and one year old shrimp. (nofima.com)
  • These results form a basis for predicting the dispersal potential and possible geographic range of this pest in Xinjiang. (springer.com)
  • The results form a basis for predicting the dispersal potential and possible geographic range of this pest in Xinjiang, and provide guidance for the control of this pest by reducing overwintering shelters. (springer.com)
  • We aimed to interpret results in the framework of current hypotheses on the distribution of small invertebrates with very limited dispersal ability. (csic.es)
  • Effects of carcass mass on brood size at dispersal (A) and mean. (researchgate.net)
  • There were significant effects of both the quadratic (χ 2 = 8.89, df = 1, P = 0.0028) and the cubic (χ 2 = 5.52, df = 1, P = 0.018) terms of carcass mass on mean larval mass at dispersal. (researchgate.net)
  • larval dispersions due to water current were also found to have an effect on these results. (eurekamag.com)
  • 2010 ). This pest could cause severe damage through larval mining and feeding of leaves, stems and tomato fruits, which could result in up to 80-100% yield loss in tomato crops (Desneux et al. (springer.com)