This document provides information on krill fishery behaviour and fishing ground condition in 1999/2000 season to assist consideration of the regional krill density and distributional conditions observed in the CCAMLR 2000 synoptic survey. The vessels seemed to have been moving around more compared to other fishing seasons to look for preferred targets. The 1999/2000 fishing season was the most mobile season in the last 10 years. Through the analysis of relation between catch level and vessel travel distance, it was suggested that Japanese vessels were catching average of 13-15 tonnes per tow within their preferred fishing concentration, which seemed to be the lower end of their preference.
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