Analisis Produktivitas Ikan Pelagis Dengan Armada Penangkapan Purse Seine Di …

Abstract The catch production in PT. Hasil Laut Sejati Batam are activities that are measured as output per unit period and time. Production and productivity are compatible, that is the measurement of the capability of a fishing gear in a fishing effort. To determine the estimated future catch is a movement (trend) up or down in the long term, which is obtained from the average change over…