Measuring and assessing capacity in fisheries: Issues and methods
Food and Agriculture Organization of the United Nations, 2003 - Business & Economics - 130 pages
This study summarizes the main concepts involved in the assessment and management of fishing capacity. It discusses why capacity management and the problem of overcapacity have become key issues for fisheries management in the new millennium. The paper explains why overcapacity develops in the fishery and the role that fisheries management has played in contributing to this development in the past. Methods for estimating current and desired levels of capacity are discussed, and a range of potential indicators of overcapacity is described. The effectiveness of various capacity management programmes that have been applied in various fisheries around the world is also discussed, along with an explanation as to why many of these programmes have been ineffective. Potential management systems that have proven effective in reducing overcapacity are also presented and discussed.
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CAPACITY RELATED CONCEPTS AND FISHERIES
MEASUREMENT OF CAPACITY AND CAPACITY UTILIZATION
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aggregation analysis assumed assumptions average bio-economic model biomass boats capacity and capacity capacity base capacity measures capacity output capacity utilization measures capital stock capital utilization catch levels Coelli concept of capacity constant returns cost days fished defined estimates of capacity estimating capacity excess capacity existing factors of production fisheries management fishing activity fishing capacity fishing effort fixed inputs fleet segments full utilization gear given Grosskopf half-normal distribution harvest inefficiency input capacity input levels input-based measures input-oriented Kirkley level of capacity level of output long-run maximum maximum sustainable yield measures of capacity number of vessels operating optimal output measure output-oriented potential effort potential output production function profit profit maximization requires result returns to scale revenue short-run species stock levels sustainable yield target capacity target levels target output technical efficiency technique TECU translog variable input utilization yield curve