Development of a new baseline assessment for the South African hake resource, incorporating catch-at-length information

Working Paper

2008

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http://hdl.handle.net/11427/19666
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Rademeyer_Development_a_new_2008.pdf (614.93 KB)
Authors
Rademeyer, Rebecca A
Butterworth, Doug S
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University of Cape Town

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Marine Resource Assessment and Management Group
Faculty
Faculty of Science
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Abstract
Results are presented for a proposed new baseline assessment for the South African hake resource, incorporating catchat-length (CAL) information in the fit of the model. In years for which age-length keys are not available, CAL information is used instead of catches-at-age (CAA) which had been previously based on averages of age-length keys for other years (a problematic and potentially biased approach). Further changes to the model and the data that have been made are described below.
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Reference:

Rademeyer, R.A. & Butterworth, D.S. 2008. Development of a new baseline assessment for the South African hake resource, incorporating catch-at-length information.

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