底栖无脊椎动物群落对Muuga港大规模疏浚的响应

Estonian Journal of Ecology Pub Date : 2009-12-01 DOI:10.3176/ECO.2009.4.04

J. Kotta, K. Herkül, I. Kotta, H. Orav-Kotta, R. Aps

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引用次数: 8

摘要

描述了与大规模疏浚活动有关的Muuga湾底栖无脊椎动物群落的动态。通过多变量分析和空间建模来评估影响的空间范围和持续时间。总的来说，疏浚对底栖无脊椎动物的影响在空间和时间上都是中等的。然而，疏浚导致双壳类的生物量增加，即马科马的生物量。与陡峭的斜坡相比，这些双壳类动物在平坦的底部受到的影响更大。

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Response of benthic invertebrate communities to the large-scale dredging of Muuga Port

The dynamics of benthic invertebrate communities in Muuga Bay was described in connection with large-scale dredging activities. The spatial extent and duration of the effects were assessed by multivariate analysis and spatial modelling. In general, dredging had moderate effects on benthic invertebrates both in space and time. Still, dredging resulted in an elevated biomass of bivalves, namely that of Macoma balthica. These bivalves were more impacted on flat bottoms compared to steep slopes.

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Estonian Journal of Ecology

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