渔捞业最佳经济捕捞努力量的一种确定方法

A Determination Method of Optimum Economical Fishing Effort

渔捞业中的最佳经济产量是指能使持续的纯利润最大的产量 ,此时投入的捕捞努力量为最佳经济捕捞努力量 .文中假定捕捞总成本与鱼类种群密度成反比而与捕捞努力量成正比 ,给出了最佳经济捕捞努力量的求解方法 .保持这样的捕捞努力量 ,则可实现渔捞业的可持续发展 .

The optimum sustainable yield in fishing industry is the yield that can achieve the maximum sustainable net profit. The corresponding fishing effort is the optimum economical fishing effort. It is reasonable to assume that the total fishing cost is directly proportional to the fishing effort and inversely to the population intensity. Under such an assumption, the determination method of the optimum economical fishing effort is given. The sustainable development of fishery resources will be realized if the given optimum economical fishing effort is kept.