Konstruksi dan Analisis Dinamik Model Matematika Sistem Penangkapan Ikan (Studi Kasus Pelabuhan Perikanan Nusantara Brondong)

Abstract

Overfishing in Java Sea causes a great decline of the fish population. To deal with this problem, socialization and further study about fish harvesting system are required. The objective is to construct mathematical model of fish harvesting system that refers to the condition of Pelabuhan Perikanan Nusantara Brondong Kabupaten Lamongan. The constructed model are analyzed by Routh-Hurwitz criteria. The results showed that the model has three equilibriums, i.e. trivial, non-harvesting and bioeconomic ones. Those equilibriums are conditionally stable. Numerical simulations showed that without fish harvesting, the fish population could be unbalance, while the unconditioned fish harvesting could cause the fish extinction.