The European green crab, Carcinus maenas, has arrived on the shores of Washington State. This recently-introduced exotic species has the potential for great destruction. Green crabs can disperse over large areas and have serious adverse effects on fisheries and aquaculture; their impacts include the possibility of altering the biodiversity of ecosystems. When the green crab was first discovered in Washington State in 1998, the state provided funds to immediately begin monitoring and control efforts in both the Puget Sound region and along Washington's coast. However, there has been debate over whether or not to continue funding for these programs. ..
http://academic.evergreen.edu/h/holmesd/
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