Abstract
Wadaslintang reservoir is a reservoir with medium fertility rate. Fishing gear which usually used are gill nets. Gill net is a selective fishing gear. Different mesh sizes of gill nets will capture different type and size of fish. The purpose of this study is to determine the species composition of fish caught using gill nets. Research conducted at Wadaslintang Reservoir in April, June and September 2016. The samples consisted of 6 points that are Paras village, Depok Village, Gading village, Pesanggrahan Village, Village and Medono Village and Keramat Village. Fishing is done with the use of gill nets with mesh sizes 0.75; 1.5; 2; 2.5; and 3 inches. Species composition were analyzed using Odum equation. The results showed that fish caught using gill net consists of 15 species and 6 families. Cyprinidae is dominant family. The Highest composition was recorded from the mesh size 0.75 [[CHECK_DOUBLEQUOT_ENT]] well in April, June, and September. The lowest composition in April, June, and September was recorded from the mesh size size 3.5 ". The smalle mesh size will catch fish with small length requency.
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