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Rangia cuneata (G. B. Sowerby I, 1831) continues its invasion in the Baltic Sea: the first record in Parnu Bay, Estonia
Möller, T.; Kotta, J. (2017). Rangia cuneata (G. B. Sowerby I, 1831) continues its invasion in the Baltic Sea: the first record in Parnu Bay, Estonia. Bioinvasions Records 6(2): 167–172. https://dx.doi.org/10.3391/bir.2017.6.2.13
In: Bioinvasions Records. Regional Euro-Asian Biological Invasions Centre (REABIC): Helsinki. ISSN 2242-1300; e-ISSN 2242-1300
Peer reviewed article  
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Author keywords
    nonindigenous; bivalve; range expansion; temperate; brackish water
Auteurs  Top 
  • Möller, T.
  • Kotta, J.
Abstract
    This paper documents the arrival of the non-native bivalve Rangia cuneata in a shallow-water basin of Pärnu Bay, north-eastern Gulf of Riga, Baltic Sea, Estonia. The bivalve was collected for the first time in October 2016. The species occurred at low densities along a 25-km stretch of coastline. The size distribution suggests R. cuneata is established in the study area. This species represents the first obligatory suspension-feeding soft bottom bivalve in this low salinity area. Consequently, R. cuneata has a potential to intensify benthic-pelagic coupling as well as to improve the overall water quality of the bay. As Pärnu Bay is the northernmost location of the species’ geographic range, winter temperature likely controls the species survival and further spread in the region.
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