Investigation of possible redesign of the FIMS of the Rock Lobster resource of South Africa, taking additional variance into account

The additional (inter-leg) variance for FIMS is calculated for each of the four Zones covered by the survey. This allows evaluation of how the overall CV for these surveys would change if the number of survey legs was increased, with a compensating decrease in the number of stations sampled per leg. This would achieve appreciable improvements in precision for surveys of the Dassen Island and Lambert’s Bay Zones, but the benefits for the Cape Point and Saldahna Bay Zones are only slight