Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Biophysical models of larval dispersal in the Benguela Current ecosystem

Biophysical models of larval dispersal in the Benguela Current ecosystem We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. 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. 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. We identify how the models have helped advance understanding of key processes for these species. 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png African Journal of Marine Science Taylor & Francis

Biophysical models of larval dispersal in the Benguela Current ecosystem

Download PDF

Biophysical models of larval dispersal in the Benguela Current ecosystem

Abstract

We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. 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. In the Benguela, such models were first applied to simulate the dispersal of anchovy Engraulis encrasicolus and sardine Sardinops sagax ichthyoplankton, and more recently...
Loading next page...
 
/lp/taylor-francis/biophysical-models-of-larval-dispersal-in-the-benguela-current-cWmo07UjLS
Publisher
Taylor & Francis
Copyright
© 2015 NISC (Pty) Ltd
ISSN
1814-2338
eISSN
1814-232X
DOI
10.2989/1814232X.2015.1105295
Publisher site
See Article on Publisher Site

Abstract

We synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. 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. 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. We identify how the models have helped advance understanding of key processes for these species. 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.

Journal

African Journal of Marine Science – Taylor & Francis

Published: Dec 18, 2015

Keywords: connectivity; coupled physical-biological model; early life stages; eggs and larvae; ichthyoplankton; Lagrangian model; Namibia; South Africa; upwelling system

References

  • Chokka squid on the Agulhas Bank: life history and ecology
  • Impact of partial steps and momentum advection schemes in a global ocean circulation model at eddy-permitting resolution
  • Ecosystem change in the southern Benguela and the underlying processes
  • Climate change scenarios experiments predict a future reduction in small pelagic fish recruitment in the Humboldt Current system
  • Investigating the “northern Humboldt paradox” from model comparisons of small pelagic fish reproductive strategies in eastern boundary upwelling ecosystems
  • Mesoscale to submesoscale transition in the California Current system. Part I: flow structure, eddy flux, and observational tests
  • Mesoscale to submesoscale transition in the California Current system. Part II: frontal processes
  • Numerical ocean model study of the Agulhas Bank and the Cool Ridge
  • Has the fishery contributed to a major shift in the distribution of South African sardine?
  • A numerical model of the ventilated thermocline
  • Two-way nesting in split-explicit ocean models: algorithms, implementation and validation
  • Stage-dependent vertical distribution of pelagic fish eggs on the western Agulhas Bank, South Africa
  • Developments in terrain-following ocean models: intercomparisons of numerical aspects
  • Modeling the dispersal of Cape hake ichthyoplankton
  • High connectivity and lack of mtDNA differentiation among two previously recognized spiny lobster species in the southern Atlantic and Indian Oceans
  • Early life-history strategy of Cape hake in the Benguela upwelling region.
  • Spawning strategies and transport of early stages of the two Cape hake species
  • Genetic approaches to measuring connectivity
  • Population connectivity and phylogeography of a coastal fish
  • Fluctuations in the great fisheries of Northern Europe viewed in the light of biological research
  • Emerging from Hjort's shadow
  • Modelling the transport success of anchovy Engraulis encrasicolus eggs and larvae in the southern Benguela: the effect of spatio-temporal spawning patterns
  • The NCEP/NCAR 40-year reanalysis project
  • The oceanic vertical pump induced by mesoscale and submesoscale turbulence
  • Modélisation de la production primaire et secondaire de l’écosystème du Benguela sud. Influence des conditions trophiques sur le recrutement des larves d'anchois. PhD thesis, Université Pierre & Marie Curie (Paris VI
  • Modelling the effect of food availability on recruitment success of Cape anchovy ichthyoplankton in the southern Benguela upwelling system
  • Oceanic vertical mixing: a review and a model with a nonlocal boundary layer parameterization
  • Biophysical models
  • Simulation and quantification of enrichment and retention processes in the southern Benguela upwelling ecosystem
  • Assessment of an environmental barrier to transport of ichthyoplankton from the southern to the northern Benguela ecosystems
  • A Lagrangian tool for modelling ichthyoplankton dynamics
  • Recent progress in understanding larval dispersal: new directions and digressions
  • Ecosystem functioning in the Mozambique Channel: synthesis and future research
  • Some factors influencing the transport of chokka squid (Loligo reynaudii d'Orbigny, 1839) paralarvae off the eastern Cape, South Africa
  • Effect of yolk utilization on the specific gravity of chokka squid (Loligo reynaudii) paralarvae: implications for dispersal on the Agulhas Bank, South Africa
  • Modelling transport of chokka squid (Loligo reynaudii) paralarvae off South Africa: reviewing, testing and extending the “Westward Transport Hypothesis.”
  • User's guide for a three-dimensional, primitive equation, numerical ocean model
  • Development of a turbulence closure model for geophysical fluid problems
  • An individual-based modelling approach to examine life history strategies of sardine (Sardinops sagax) in the southern Benguela ecosystem
  • Modelling the effects of physical-biological interactions and spatial variability in spawning and nursery areas on transport and retention of sardine eggs and larvae in the southern Benguela ecosystem
  • Contribution of individual-based coupled physical-biological models to understanding recruitment in marine fish populations
  • Reviewing evidence of marine ecosystem change off South Africa
  • Evolutionary individual-based model for the recruitment of anchovy (Engraulis capensis) in the southern Benguela
  • From particles to individuals: modelling the early stages of anchovy (Engraulis capensis/encrasicolus) in the southern Benguela
  • Unravelling population structure of black musselcracker Cymatoceps nasutus: evidence for multiple populations in South African coastal waters
  • Guide to ichthyoplankton of the Southeast Atlantic (Benguela Current region
  • Vertical distribution of small pelagic fish eggs and larvae on the eastern Agulhas Bank, South Africa
  • Modelling the effects of environmental and ecological processes on the transport, mortality, growth and distribution of early life stages of Cape anchovy (Engraulis capensis) in the Benguela system
  • Does vertical migratory behaviour retain fish larvae onshore in upwelling ecosystems? A modelling study of anchovy in the southern Benguela
  • Modelling the effect of buoyancy on the transport of anchovy (Engraulis capensis) eggs from spawning to nursery grounds in the southern Benguela: an IBM approach
  • A numerical study of the Southern Benguela circulation with an application to fish recruitment. PhD thesis, Université de Bretagne Occidentale
  • Evaluation and application of the ROMS 1-way embedding procedure to the central california upwelling system
  • Madagascar: a pacemaker for the Agulhas Current system?
  • Generation of cyclonic eddies by the Agulhas Current in the lee of the Agulhas Bank
  • The effect of mesoscale oceanographic features on the distribution of mussel larvae along the south coast of South Africa
  • First Lagrangian ROMS-IBM simulations indicate large losses of chokka squid Loligo reynaudii paralarvae from South Africa's Agulhas Bank
  • In press. Demonstration of a fully-coupled end-to-end model for small pelagic fish using sardine and anchovy in the California Current
  • Abrupt environmental shift associated with changes in the distribution of Cape anchovy Engraulis encrasicolus spawners in the southern Benguela
  • Evaluating the accuracy of CFSR reanalysis hourly wind speed forecasts for the UK, using in situ measurements and geographical information
  • Quasi-monotone advection schemes based on explicit locally adaptive dissipation
  • A method for computing horizontal pressure-gradient force in an oceanic model with a nonaligned vertical coordinate
  • The regional oceanic modeling system (ROMS): a split-explicit, free-surface, topography-following-coordinate oceanic model
  • A biophysical model applied to the Benguela upwelling system
  • Drift patterns of anchovy Engraulis capensis larvae in the southern Benguela, and their possible importance for recruitment
  • The effect of vertical and horizontal distribution on retention of sardine (Sardinops sagax) larvae in the Northern Benguela – observations and modelling
  • Drift routes of Cape hake eggs and larvae in the southern Benguela Current system
  • Remote sensing of Southern Ocean sea surface temperature: implications for marine biophysical models
  • Connectivity between marine reserves and exploited areas in the philopatric reef fish Chrysoblephus laticeps (Teleostei: Sparidae
  • Population connectivity and larval dispersal using geochemical signatures in calcified structures
  • Characterising and comparing the spawning habitats of anchovy Engraulis encrasicolus and sardine Sardinops sagax in the southern Benguela upwelling ecosystem
  • The role of ichthyoplankton surveys in recruitment research and management of South African anchovy and sardine
  • Incorporating parasite data in population structure studies of South African sardine Sardinops sagax
  • The Benguela: a laboratory for comparative modeling studies
  • Modeling equilibrium dynamics of the Benguela Current system
  • Intensification and spatial homogenization of coastal upwelling under climate change
  • Mechanisms of nearshore retention and offshore export of mussel larvae over the Agulhas Bank
  • Spatiallyexplicit individual based modeling of marine populations: a review of the advances in the 1990s
  • Stock discrimination of South African sardine (Sardinops sagax) using a digenean parasite biological tag