“sustainable yield”簡單造句，sustainable yield造句子

3、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.

4、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.

2、Definition and evaluation system of groundwater sustainable yield in watershed

1、MSY (maximum sustainable yield)