The two mixing stock hypothesis for South African sardine without an assumed stock-recruit relationship
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2016-11
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University of Cape Town
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Abstract
The two mixing stock hypotheses for South African sardine presented in de Moor and Butterworth (2016) and de Moor (2016) assumed a Hockey-Stick stock-recruit relationship, with the stock-recruit parameters estimated to differ by “effective spawning stock”. In addition, recruitment to the west stock during the “peak” 2000-2004 years was estimated to vary about a different median level. In this document the two-mixing stock hypothesis is re-run without any assumed stock-recruit relationship.
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Reference:
de Moor, C.L. 2016. The two mixing stock hypothesis for South African sardine without an assumed stock-recruit relationship. DAFF Branch Fisheries document. FISHERIES/2016/NOV/SWG-PEL/57: 7pp. (Also MARAM/IWS/DEC16/Sardine/P5).