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Reduced abundance but increased diversity of chironomid larvae under higher trophic pressure from fish in semi-permanent ponds

机译:降低丰富,但在半永久性池塘中较高的营养压力下的肾神经幼虫的多样性增加

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摘要

Fish may affect macrobenthic communities through trophic interactions and modification of habitat conditions. We compared the density, diversity and taxonomic composition of larval chironomids under low vs high fish impact, created by stocking semi-natural ponds with either young/small common carp Cyprinus carpio at low biomass densities or with high biomass densities of older/large common carp, supplemented by other cyprinids and predatory fish species.
机译:鱼可能会通过营养互动和修改栖息地条件来影响宏观文字社区。 比较低与高鱼类影响的幼虫湿法液的密度,多样化和分类组成,通过储存半天然池塘,在低生物量密度或高年龄/大普通鲤鱼的高生物量密度 ,补充了其他脱钙和掠食性鱼类。

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