Biomass and community structure of epilithic diatoms in pool , run , and riffle of streams in wuling area .
武陵地区溪流潭,流及濑之石附生矽藻生物量及群集结构分析。
This study aimed to characterize the abundance and community structure of epilithic algae and to examine the effects of intensive agriculture in mountain streams of the wuling area .