trophic

The trophic cascade following wolf reintroduction transformed Yellowstone's ecosystem.重新引入狼之后产生的营养级联反应改变了黄石公园的生态系统。

Each trophic level in a food web receives approximately ten per cent of the energy below it.食物网中的每个营养级大约获得其下一级能量的百分之十。