Division Catch and effort dataF1

Surface fisheries: catch data in nominal catch weight and effort data in fishing days (purse seine, baitboat, troll, drift nets) should be provided to IOTC by 1° grid area and month strata. Purse seine fishery data should be stratified by type of school. Those data should preferably be extrapolated to the national monthly catches of each gear. The raising factors used, corresponding to the logbook coverage, should be given routinely to IOTC.

Longline fisheries: catch and effort data of the longline fisheries should be provided to the IOTC by 5° grid area and month strata, preferably in numbers and in weight. Fishing effort should be given in numbers of hooks. Those data should preferably be extrapolated to the national monthly catches. The raising factors used, corresponding to the logbook coverage, should be given routinely to IOTC.

The catches, efforts and sizes of the artisanal, small scale and sport fisheries should also be submitted on a monthly basis, but using the best geographical areas used to collect and process those data.