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Invasion of the North American clam of Rangia cuneata (G.B. Sowerby I, 1831) (Bivalvia: Mactridae) in the Vistula Lagoon of the Baltic Sea
Rudinskaya, L.V.; Gusev, A.A. (2012). Invasion of the North American clam of Rangia cuneata (G.B. Sowerby I, 1831) (Bivalvia: Mactridae) in the Vistula Lagoon of the Baltic Sea. Russ. J. Biol. Invasions 2: 115-128
In: Russian Journal of Biological Invasions. Springer Verlag: Berlin; Heidelberg. ISSN 2075-1117
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    invasion
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  • Rudinskaya, L.V.
  • Gusev, A.A.
Abstract
    North American brackish water bivalve of Rangia cuneata (G.B. Sowerby I, 1831) was first recorded in the Vistula Lagoon of the Baltic Sea in September 2010. Based on the features of its biology, we can assume that the invasion in the Vistula Lagoon was at least 2-3 years earlier, in 2007-2008. In 2010-2011 R. cuneata colonized and occupied sufficiently large area of the lagoon. The maximum abundance (up to 4040 ind/m2) was observed in adjacent areas to the Kaliningrad sea channel. The most likely invasion way of R. cuneata in the Vistula Lagoon is connected with the ballast water of ships, including dredging ships, which came from areas where the clams are already naturalized. The naturalization of R. cuneata creates a threat of new serious transformations in the ecosystem of the Vistula Lagoon, which requires increased monitoring of its benthic ecosystems.
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