The effect of no future surveys on projections under the current OMP for the South African hake resource

Working Paper

2013

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http://hdl.handle.net/11427/19670
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Rademeyer_effect_no_future_2013.pdf (323.28 KB)
Authors
Rademeyer, Rebecca A
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University of Cape Town

Department
Marine Resource Assessment and Management Group
Faculty
Faculty of Science
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Abstract
The effects of no future surveys on projections under the current OMP for the South African hake resource have been investigated by simulation. Projections of median catch and lower 2.5%ile M. paradoxus spawning biomass trajectories under the current OMP are compared for a series of scenarios: A. no future surveys are assumed to take place from 2010 onwards, and an undetected increase in catchability (ranging from 0% to 10% per annum) related to CPUE is assumed (same for all CPUE series). B. future surveys are assumed to take place as normally, and an undetected increase in catchability (ranging from 0% to 10% per annum) related to CPUE is assumed (same for all CPUE series).
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Reference:

Rademeyer, R.A. (2013). The effect of no future surveys on projections under the current OMP for the South African hake resource. FISHERIES.

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