The Characteristics of Fishing Ground Using Purse Seine in Makassar Strait and Flores Sea

In order to optimally utilize marine fishery resources, the Government of Republic Indonesia divides Indonesian waters into 11 Fisheries Management Areas (IFMA), one which is IFMA 713 includes Bone Gulf, Bali Sea, Flores Sea and Makassar Strait. This study aims provide information on utilization pelagic fish resources with a focus characteristics fishing areas using purse seine gear in Strait Sea. this study, 62 trips seines were carried out, each has 31 operation respectively. The main catch number for water area was skipjack tuna (Katsuwonus pelamis) as many 2,367 (Makassar Strait). While area, it dominated by little (Euthynnus sp) total 11,039 fish. results indicate that correlation sea surface temperature chlorophyll-a negative relationship an optimum 30.5 °C 28.0 corresponds concentration 0.3 mg m-3 (skipjack tuna) 0.2 tuna. vertical distribution found at depth around 50 m, while most caught deeper 250 m.