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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.
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| one publication added to basket [253751] |
Globalization pressure and habitat change: Pacific rocky shore crabs invade armored shorelines in the Atlantic Wadden Sea
Landschoff, J.; Lackschewitz, D.; Kesy, K.; Reise, K. (2013). Globalization pressure and habitat change: Pacific rocky shore crabs invade armored shorelines in the Atlantic Wadden Sea. Aquat. Invasions 8(1): 77-87. http://dx.doi.org/10.3391/ai.2013.8.1.09
In: Aquatic Invasions. Regional Euro-Asian Biological Invasions Centre (REABIC): Helsinki. ISSN 1798-6540; e-ISSN 1818-5487, meer
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invasive marine species; artificial shores; Hemigrapsus; Carcinus; competition |
| Auteurs | | Top |
- Landschoff, J.
- Lackschewitz, D.
- Kesy, K.
- Reise, K., meer
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| Abstract |
Two Northwest Pacific crabs have almost simultaneously invaded Northeast Atlantic shores. In the Wadden Sea, Hemigrapsus sanguineus and H. takanoi have become established on artificial-boulder shorelines. Peak densities of >100 crabs (>5 mm carapace width) per m² were attained within 2–3 years of arrival. The invaders segregated by microhabitat, with H. sanguineus dominant on exposed shores and H. takanoi dominant on sheltered shores as well as colonizing beds of mussels and oysters on mudflats. A field experiment indicated H. sanguineus displaced juvenile native shore crabs Carcinus maenas from beneath-boulder substrate. However, this displacement appeared restricted to armored shorelines, with little to no effect on large populations of C. maenas that occur widely in shallow, soft bottom, habitats of the coastal zone of the North Sea. |
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