대게 연안자망의 어획능력 추정

Abstract

Currently, environmentally sound and sustainable fisheries are one of the major issues among fisheries authorities. A variety of alternative management policies and projects are going on to enhance fisheries management systems and fishery resources such as a TAC management program and a VDS (Vessel Day Scheme) management scheme for distant water fishing nations in Western and Central Pacific Fisheries Commission (WCPFC) convention area. These kinds of efforts among fisheries management authorities aimed at limiting fishing capacity. In terms of fisheries management, Fishing capacity and fishing power have increased the importance of the impact on a fishery and the level of the fishery resources. Increased fishing capacity has caused not only depletion of fisheries resource, but also additional fishing cost. therefore, there is a clear need for authorities to manage fishing capacity. It is also help ensure the conservation and sustainability of the fishery resources. In this study, relative fishing power assessed using Mastuda (1991) method for fishing power index. The raw data for assessment was based on fishermen's log data from sampled fishing vessels in a snow crab gillnet fishery. Data Envelopment Analysis (DEA) method was used to assess fishing capacity. DEA is a linear programming methodology to measure the efficiency of a set of entities called Decision Making Units (DMUs). It was recommended by FAO for assessing capacity in fisheries.