@article{fdi:010090583,
  title = {{C}oastal connectivity of an abundant inshore fish species : model-data comparison along the southern coast of {S}outh {A}frica},
  author = {{M}uller, {C}. and {L}ett, {C}hristophe and {P}orri, {F}. and {P}attrick, {P}. and {B}ailey, {D}. and {D}enis, {H}. and {B}arrier, {N}icolas and {P}otts, {W}. and {K}aplan, {D}avid},
  editor = {},
  language = {{ENG}},
  abstract = {{B}iophysical models are often used to estimate larval dispersal patterns for the assessment of marine metapopulation spatial structure. {H}owever, comparisons of these models with field observations are relatively rare, and the extent to which models reproduce true marine connectivity patterns is unclear. {W}e developed a biophysical model for larvae of the blacktail seabream {D}iplodus capensis ({S}paridae), an abundant recreational and subsistence fishery species along the south-east coast of {S}outh {A}frica, and compared outputs from various configurations of that model to results from a field study conducted in a large regional embayment ({A}lgoa {B}ay). {S}easonal patterns of dispersal and recruitment produced by the model agreed best with field observations when thermal constraints on spawners and larvae were included. {S}patial gradients in settling larvae also matched well, with the model capturing observed high settler densities within the lee of a major headland. {N}evertheless, stronger spatial gradients were observed in larval densities from the field study when compared with model results, which may be explained by behavioural post-settlement processes. {M}odel-based dispersal patterns revealed up to 5 subpopulations along the southern coast, with barriers to connectivity between subpopulations generally linked to hydrographic features. {O}verall, our results suggest that thermally mediated spawning behaviour, physical transport and post-settlement processes all play important roles in determining marine connectivity for the blacktail seabream. {R}efining physiological larval constraints may be an important component that needs to be considered going forward.},
  keywords = {{L}arval dispersal ; {P}opulation dynamics ; {B}iophysical model ; {S}eabream ; {D}iplodus capensis ; {AFRIQUE} {DU} {SUD} ; {OCEAN} {INDIEN} ; {AIGUILLES} {COURANT}},
  booktitle = {},
  journal = {{M}arine {E}cology {P}rogress {S}eries},
  volume = {731},
  numero = {},
  pages = {89--104},
  ISSN = {0171-8630},
  year = {2024},
  DOI = {10.3354/meps14272},
  URL = {https://www.documentation.ird.fr/hor/fdi:010090583},
}