According to the feeding type, we can divide fish species into benthic feeders and pelagic feeders.The activity in pelagic feeders increases with the increase of trophic level.
英
美
释义
若将鱼种依食性分为底栖掠食及上层掠食之鱼种,则上层掠食之鱼种其体内之活性随营养阶层增加而增加。
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