Massive settlements of the Pacific oyster, Crassostrea gigas, in Scandinavia : Invasion note

Anna-Lisa Wrange, Johanna Valero, Lisbeth S. Harkestad, Oivind Strand, Susanne Lindegarth, Helle Torp Christensen, Per Dolmer, Per Sand Kristensen, Stein Mortensen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The Pacific oyster (Crassostrea gigas) is an important aquaculture species world-wide. Due to its wide environmental tolerance and high growth rate, it has also become a successful invader in many areas, leading to major ecosystem changes. Low water temperatures were previously believed to restrict the establishment of Pacific oysters in Scandinavia. However, recent surveys reveal that the Pacific oyster is now established in many areas in Scandinavia. The biomass of oysters in the Danish Wadden Sea has increased dramatically between 2005 and 2007, large numbers were observed along the Swedish west coast from settlement in 2006, and in Norway, populations are established along the southwest coast to 60A degrees N.
Original languageEnglish
JournalBiological Invasions
Volume12
Issue number6
Pages (from-to)1453-1458
ISSN1387-3547
DOIs
Publication statusPublished - 2010

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