Browsing by Subject "surplus production modelling"

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    Results of a surplus production modelling approach for three spatially disaggregated components of the west coast rock lobster resource
    (2005) Johnston, Susan J; Butterworth, Doug S
    Initial results of a simple surplus production modeling approach for the three spatially disaggregated components (“super-areas”) of the West Coast rock lobster were reported in Johnston and Butterworth (2002). These results corresponded to fits to CPUE data for the 1981-2000 period only. Here, the reference case (RC) set of analyses is repeated, with CPUE data series that have been updated and that now extend to 2002. The updated data and the various RC assumptions regarding poaching and recreational catches are reported in Johnston and Butterworth (2004). The catch related assumptions are however outlined again below for clarity.