fish population size

基本解释

With feed particle size and increase the growth of fish and fish population remained at about half full at the time.
饲料粒径大小随鱼的生长而增大，并维持在鱼种口全开时的一半左右。
That reduction in individual size could be the result of a reduction in the tuna population that is causing fewer fish to reach maturity.
金枪鱼个头减小的原因可能是这种鱼的总的数量减少了，进而导致成年个体金枪鱼的减少。
The change could have a major impact on the expanding human population, with major food sources like fish likely to reduce in size and crops expected to grow smaller and less reliably than today.
这种变化会对人口的增长产生巨大冲击，因为像鱼类这样的主要食物来源个体会变小，粮食有可能比现在长得更小，产量更不稳定。
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