首页> 外文期刊>Environmental toxicology and chemistry >TOWARD A MECHANISTIC UNDERSTANDING OF CONTAMINANT-INDUCED CHANGES IN DETRITUS PROCESSING IN STREAMS: DIRECT AND INDIRECT EFFECTS ON DETRITIVORE FEEDING
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TOWARD A MECHANISTIC UNDERSTANDING OF CONTAMINANT-INDUCED CHANGES IN DETRITUS PROCESSING IN STREAMS: DIRECT AND INDIRECT EFFECTS ON DETRITIVORE FEEDING

机译:对趋势中加工过程中污染物引起的变化的机理的认识:对有害物质进给的直接和间接影响

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摘要

Macroinvertebrate feeding is a major rate-limiting step in the processing of detritus in streams. Environmental contam- inants can reduce detritus processing by decreasing the abundance or feeding activity of detritivores. Contaminant-induced reductions in detritus processing can have important consequences for the structure and functioning of the stream community. Here we investigate the mechanistic basis for reduced leaf processing in a stream contaminated with motorway(superhighway)runoff. In situ and laboratory studies were used and the work focused on Gammarus pulex(Amphipoda), the dominant detritivore at the site.
机译:大型无脊椎动物的进料是处理溪流中碎屑的主要限速步骤。环境污染物可以通过减少碎屑的丰度或摄食活性来减少碎屑的产生。污染物导致的碎屑加工减少可能对河流群落的结构和功能产生重要影响。在这里,我们研究了减少高速公路(径流)径流污染的河流中叶片加工的机理基础。使用了原位和实验室研究,研究工作集中在该地点的主要有害生物——γ pulex(Amphipoda)。

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