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