Analisis Hasil Tangkapan Alat Penangkapan Jaring Insang Satu Lembar (Gillnet¬) dan Tiga Lembar (Trammel net) di Perairan Pantai Cermin Kabupaten Serdang Bedagai

Abstract

This research was conducted in May - June 2013 Territorial water of Pantai Cermin that to review the arrest unit, the method of operation of appliance catch gill net one sheet (gillnet) and three sheet (trammel net) and analyse the composition, diversity, dominance, size and compare the result of gillnet and trammel net. Result of this research indicate that both of appliance catch to be operated in territorial water base with the main catches was shrimp. At the composition of gillnet there are 38 species and trammel net 35 species. During research, the value of diversity index both appliance catch have high between 1,84 till 2,05 while the value of dominance index low between 0,15 till 0,19. It indicate that selectivity both appliance catch’s low. The rate value at the appliance catch HTU gillnet is equal to 0,688 kg/trip lower from HTS that is equal to 1,583 kg/trip, while the rate value with trammel net obtain HTU equal to 2,048 kg/trip and HTS 2,265 kg/trip. Gillnet of the meshsize net 1,6 inches catch the dominant fish with an average 95,66% competent minimum size measure catch and at trammel net of the meshsize net 1,75 inches catch dominant fish with an average 99,6% competent minimum size of measure catch. To be known there are difference of result of gillnet and trammel net through statistical test t-student, that the result of trammel net is bigger than of gillnet’s appliance catch