Results obtained from projecting the squid resource, Loligo vulgaris reynaudii, 10 years into the future

Working Paper

2005

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http://hdl.handle.net/11427/18649
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Glazer_Results_obtained_from_2005.pdf (110.15 KB)
Authors
Glazer, Jean Patricia
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 Bayesian analysis, to take full account of model uncertainty, was recently conducted to assess the status of the squid resource Loligo vulgaris reynaudii. The data included in the model comprised: • Jig catches (1983-2002) • Trawl catches (1971-2002) • Jig CPUE (1985-2002) • Trawl CPUE (1978-1999) • Autumn survey biomass indices (1988-1997, 1999) • Spring survey biomass indices (1987, 1990-1995, 2001) A detailed description of the biomass dynamic model is provided in Appendix A. Part of the assessment exercise included projecting 10 years into the future under various constant effort scenarios. The results from these projections are presented here.
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Keywords
squid resource

Reference:

Glazer, J. P., & Butterworth, D. S. (2005). Results obtained from projecting the squid resource Loligo vulgaris reynaudii 10 years into the future. MCM working group document WG.

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