That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.
这一点很重要，因为理论表明，当目标鱼种的生物量为其原始水平的50%左右时，渔场才能达到可收获的最大可持续产量。
Maximum sustainable yield----The maximum harvest that could be sustained forever.
最大持续产出——能够持续很久的最大收益。
As long as high fishing efforts exist in the Yellow Sea, it is impossible for the stock to recover and to reach maximum sustainable yield.
只要黄海周围过高的捕捞力量的存在，小黄鱼资源很难得以恢复并达到最大持续产量。
Main published work included length frequency analysis, virtual population analysis, production models, and maximum sustainable yield of Qatari fishery.
主要研究成果包括体长分析，世代分析方法，产量模型和卡塔尔国渔业的最大持续产量。
The optimum sustainable yield in fishing industry is the yield that can achieve the maximum sustainable net profit.
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。
The optimum sustainable yield in fishing industry is the yield that can achieve the maximum sustainable net profit.
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。
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