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  Estonian Journal of Ecology

ISSN 1736-7549 (electronic)   ISSN 1736-602X (print)
An international scientific journal

Formerly: Proceedings of the Estonian Academy of Sciences: Biology, Ecology
(ISSN 1406-0914)
Published since 1952
 

Estonian Journal of Ecology

ISSN 1736-7549 (electronic)   ISSN 1736-602X (print)
An international scientific journal

Formerly: Proceedings of the Estonian Academy of Sciences: Biology, Ecology
(ISSN 1406-0914)
Published since 1952
 

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Response of benthic invertebrate communities to the large-scale dredging of Muuga Port; pp. 286–296

(Full article in PDF format) doi: 10.3176/eco.2009.4.04


Authors

Jonne Kotta, Kristjan Herkül, Ilmar Kotta, Helen Orav-Kotta, Robert Aps

Abstract

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.

Keywords

Baltic Sea, benthic invertebrates, dredging, interactive effects, spatial modelling.

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