Closely associated with the benthic community are organisms collectively called periphyton or aufwuchs.
但是当变浅时,生相会改变。
Closely associated with the benthic community are organisms collectively called periphyton or aufwuchs.
但是当变浅时,生相会改变。
In the stream with strong bed load movement there is no benthic macroinvertebrate.
河势散乱且河床运动剧烈种丰度和密度均很低甚至为零,生态条件差。
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