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The 2018 south coast rock lobster reference case operating model
, 2019 This document details the current 2018 Reference Case Operating Model which is to be proposed to be used for simulation testing of a new OMP for South Coast rock lobster.
Johnston, Susan, Butterworth, Doug S
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African Journal of Marine Science, 2000 Nine stages and substages of post-, inter- and premoult were distinguished in the West Coast rock lobster Jasus lalandii by microscopic examination of the cuticle, epidermal retraction and setal development in the pleopods.
A C Cockcroft, M J Gibbons
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OMP 2008 for South Coast rock lobster resource
2008OMP 2008 consists of an algorithm that calculates the TAC for the resource using CPUE data collected from each of three areas (New Areas 1, 2 and 3 – see Fig. 1), Note that the TAC for season y+1 will be based upon the CPUE series that ends in season y-1, i.e.
Johnston, Susan J +2 more
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The recreational fishery for West Coast rock lobster Jasus lalandii in South Africa
South African Journal of Marine Science, 1997The recreational fishery for West Coast rock lobster Jasus lalandii in South Africa was studied using a multistage telephone interview of permit holders over the 1991/92 to 1994/95 fishing seasons. Recreational catch information, based on permit sales only, are presented for the 1995/96 fishing season. Permit sales increased by 30% from 1991/92 to 1995/
Cockcroft, AC, Mackenzie, AJ
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African Journal of Marine Science, 2008
East coast rock lobsters Panulirus homarus are collected by the indigenous people of the Wild Coast, in the Eastern Cape, South Africa, and are sold to coastal hotels and holidaymakers. The South African government has proposed a small-scale commercial fishery based on P. homarus to improve socio-economic conditions in that region.
Steyn, E, Fielding, PJ, Schleyer, MH
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East coast rock lobsters Panulirus homarus are collected by the indigenous people of the Wild Coast, in the Eastern Cape, South Africa, and are sold to coastal hotels and holidaymakers. The South African government has proposed a small-scale commercial fishery based on P. homarus to improve socio-economic conditions in that region.
Steyn, E, Fielding, PJ, Schleyer, MH
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2015 updated South Coast Rock Lobster assessment results
2015The 2013 assessment of the resource is updated given three further years of data now available. Recruitment is estimated to have been poor over the further three seasons for which this can now be estimated. The spawning biomass trajectory has flattened after a preceding increase, and is now showing a slight downward trend.
Johnston, Susan J, Butterworth, Doug S
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South coast rock lobster TAC for the 2019 season
2019The application of the new OMP-2019 results in a TAC of 321 MT for the 20191 season (the same TAC as that for 2018).
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Updated south coast rock lobster stock assessments for 2009
2009This document is submitted in response to the requirement that “simple routine updated assessments (likely no more than core reference set models used in the OMP testing refitted taking a further year’s data into account)” be tabled every year an OMP is in operation for a fishery (MCM, 2007) This document reports such updated stock assessments for the ...
Johnston, Susan J, Butterworth, Doug S
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South Coast rock lobster OMP 2008 re-tuned
2011An OMP for recommending the TAC for South Coast rock lobster resource was developed and first implemented for 20081 (Johnston and Butterworth 2008). This OMP was intended to be implemented for two years, following which a review of the underlying operating models would decide whether this OMP could be implemented “as is” for a further two years (2010 ...
Johnston, Susan J +2 more
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South coast rock lobster OMP 2014: initial specifications
2014An OMP for recommending the TAC for South Coast rock lobster resource was first developed and implemented for 20081 (Johnston and Butterworth 2008). A number of further OMPs have been developed for the management of this resource. These OMPs have all had similar underlying structures, with a median target spawning biomass / of 1.20 when simulation ...
Johnston, Susan J +2 more
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