A year-round resident population of the Indo-Pacific bottlenose dolphin (Tursiops aduncus) inhabits waters off Amakusa-Shimoshima Island (32°25′N, 130°05´E), in Japan. The effect bycatch gillnet fisheries on Amakusa was examined. Population size 2007 and 2008 estimated at 230 individuals (CV = 2.5%) 216 2.1%), respectively, based a mark-recapture technique. magnitude evaluated by analysing inte...

Kapal gillnet termasuk kedalam kategori kapal static gear yang dalam pengoperasiannya lebih mementingkan stabilitas baik dan area kerja luas daripada kecepatan kapalnya. Rasio dimensi utama dapat menggambarkan karakteristik suatu kapal. Karakteristik tersebut mencakup performance aspek penting diantaranya: stabilitas, olah gerak kapal, tahanan, kemampuan muat teknis lainnya tergambar nilai rasi...

Concern regarding the potential for selective fisheries to degrade desirable characteristics of exploited fish populations is growing worldwide. Although the occurrence of fishery-induced evolution in a wild population has not been irrefutably documented, considerable theoretical and empirical evidence for that possibility exists. Environmental conditions influence survival and growth in many s...