De Pacifische vlokreeft Aoroides semicurvatus in Nederland
Faasse, M.A.; Verboom, L.; Van der Loos, L. (2018). De Pacifische vlokreeft Aoroides semicurvatus in Nederland. Macrofaunanieuwsmail 140: 21-23
In: Macrofaunanieuwsmail. Helpdesk Water, Rijkswaterstaat WVL: Utrecht, meer
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| Auteurs | | Top |
- Faasse, M.A., meer
- Verboom, L.
- Van der Loos, L., meer
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| Abstract |
On 11 November 2017 one specimen of the Pacific amphipod Aoroides semicurvatus was collected in the southwestern delta area of the Netherlands. This is the first record from Europe outside France. Subsequently, on 18 and 23 november tens of specimens were collected from about half a liter of red seaweeds from two locations in the Oosterschelde, near Goes and Colijnsplaat. On 9 December red seaweeds from Gorishoek yielded less than ten specimens. The Oosterschelde is an area with shellfish culture and recreational boating. Shellfish imports, or less likely transport with recreational vessels, may have been the introduction vector. Aoroides semicurvatus was mainly collected from the Pacific red seaweed Caulacanthus okamurae on Pacific oysters and boulders in the lower part of the intertidal zone. This microhabitat harbours few native amphipods in the Netherlands. Ecological effects of the introduction are not obvious. An effect that does become more and more obvious is the large and quickly growing proportion of exotic species in the delta area of the Netherlands. |
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