Journal article

Determination of spawning areas and larval advection pathways for King George whiting in southeastern Australia using otolith microstructure and hydrodynamic modelling. II. South Australia

AJ Fowler, KP Black, GP Jenkins

Marine Ecology Progress Series | INTER-RESEARCH | Published : 2000

Abstract

Two hypotheses regarding the origin of post-larval Sillaginodes punctata that recruit to nursery areas in South Australia were assessed. These were that post-larvae originate either hundreds of kilometres to the west and are delivered by weather-determined ocean currents or they originate from numerous spawning grounds located only < 150 km from numerous nursery areas. The hypotheses were tested in 2 ways. We compared recruitment rates and early life-history characteristics amongst post-larvae sampled at 4 sites located up to 500 km apart. Recruitment rates, size structures of recruits and age, size and growth rates of recently-settled fish did not reflect systematic variation amongst sites,..

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University of Melbourne Researchers