A "Replacement Yield" model fit to catch and survey data for the south coast kingklip resource of South Africa

Working Paper

2008

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http://hdl.handle.net/11427/18671
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Brandão_A_quot_Replacement_Yield_quot_model_2008.pdf (43.29 KB)
Authors
Brandão, Anabela
Butterworth, Doug S
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University of Cape Town

Department
Marine Resource Assessment and Management Group
Faculty
Faculty of Science
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Abstract
A “Replacement Yield” model is applied to the total annual catches and the survey abundance estimates for the South African kingklip component of the South coast over the 1986 to 2007 period. A replacement yield (RY) of some 1 670 tonnes is estimated. An average decline of about 7% per year in the abundance of kingklip in the South coast over the last five years is indicated.
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Reference:

Brandão, A. & Butterworth, D. S. (2008). A "Replacement Yield" model fit to catch and survey data for the south coast kingklip resource of South Africa. MARAM: University of Cape Town

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