以上来源于: WordNet
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。
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。
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