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Massive settlements...
Massive settlements of the Pacific oyster, Crassostrea gigas, in Scandinavia.
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- Wrange, Anna-Lisa, 1981 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology
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- Valero, Johanna, 1976 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology
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Harkestad, Lisbeth (author)
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Strand, Ö (author)
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- Lindegarth, Susanne, 1964 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för marin ekologi,Department of Marine Ecology
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Christensen, H.T. (author)
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Dolmer, P (author)
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Kristensen, P.S. (author)
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Mortensen, S (author)
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(creator_code:org_t)
- 2009
- 2009
- English.
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In: Biological Invasions. - 1387-3547.
- Related links:
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https://gup.ub.gu.se...
Abstract
Subject headings
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- 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. We present data on the current distribution, abundance and age-structure in Denmark, Sweden and Norway. The biomass of oysters in the Danish Wadden Sea increased from 1,056 to 6,264 tonnes between 2005 and 2007. Massive settlements were observed along the Swedish west coast in 2007, with densities >400 oysters per m−2. In Norway, populations are established on the southern coast, and specimens have been found as far north as 60°N. The potential impacts and probable causes of this recent large-scale establishment are discussed.
Subject headings
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Keyword
- Crassostrea gigas
- Invasive species
- Recruitment
- Scandinavia
- Water temperature
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Wrange, Anna-Lis ...
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Valero, Johanna, ...
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Harkestad, Lisbe ...
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Strand, Ö
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Lindegarth, Susa ...
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Christensen, H.T ...
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show more...
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Dolmer, P
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Kristensen, P.S.
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Mortensen, S
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
- Articles in the publication
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Biological Invas ...
- By the university
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University of Gothenburg