...： 水生群落： 乔木层(the canopy) 漂浮动物(neuston) 下木层(the understory tree) 浮游动物(plankton) 灌木层(the shrub layer) 游泳动物(nekton) 草本层(the herb layer) 底栖动物(benthos) 地被层(the forest floor) 附底动物(epifauna) 底内动物(infauna)...
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灌木层是指位于树叶下、地面上的阴暗、凉爽环境。
The understory is the dark, cool environment under the leaves but over the ground.
群落可分为乔木层、灌木层、草本层和层间层。
The community can be structurally divided into arborous layer, shrub layer and herbaceous layer.
草本层中外来植物的影响程度大于灌木层中外来植物的影响程度。
The influence of exotic in herb is more grave than in shrub.
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