Abstract
During the SIBES project, a large-scale monitoring of the marine benthos of the Dutch and western German Wadden Sea, three specimens of the bivalve Mulinia lateralis (Say, 1822) (Bivalvia: Mollusca: Mactridae), a common opportunistic species native in the east coast of North America, were found in August 2017 in the Ems-Dollard estuary. Present records backdate of two months the arrival of this species in Europe and first report it for the German Wadden Sea. Further specimens were then found in 2018, confirming its establishment in the area. An analysis of favourable habitat characteristics for M. lateralis showed that large parts of the Dutch Wadden Sea are a potential suitable habitat for this species.
Highlights
The Wadden Sea is a large intertidal ecosystem that stretches from the Netherlands to Denmark
The detection of invasive species in the Wadden Sea is of key importance, and large-scale monitoring programs are a requisite for this
SIBES (Synoptic Intertidal Benthic Surveys) is a spatially comprehensive large-scale monitoring campaign of the macrozoobenthos and sediment composition of the Dutch and western German intertidal Wadden Sea, carried out by the department of Coastal Systems of the Royal Netherlands Institute for Sea Research (Bijleveld et al 2012; Compton et al 2013). It covers the entire intertidal of the Dutch Wadden Sea and consists of gridded samples taken at 500 m intervals and additional random samples, making a total of ~ 4,500 samples per year
Summary
The Wadden Sea is a large intertidal ecosystem that stretches from the Netherlands to Denmark It is the largest wetland area and is recognised as a heritage site of international importance in the Netherlands and Germany (Ramsar status, UNESCO World Heritage Site). SIBES (Synoptic Intertidal Benthic Surveys) is a spatially comprehensive large-scale monitoring campaign of the macrozoobenthos and sediment composition of the Dutch and western German intertidal Wadden Sea, carried out by the department of Coastal Systems of the Royal Netherlands Institute for Sea Research (Bijleveld et al 2012; Compton et al 2013) It covers the entire intertidal of the Dutch Wadden Sea and consists of gridded samples taken at 500 m intervals and additional random samples, making a total of ~ 4,500 samples per year.
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