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Long-Term Effects Of An Invasive Shore Crab On Cape Cod, Massachusetts, Christopher P. Bloch, Kevin D. Curry, John C. Jahoda
Long-Term Effects Of An Invasive Shore Crab On Cape Cod, Massachusetts, Christopher P. Bloch, Kevin D. Curry, John C. Jahoda
Biological Sciences Faculty Publications
Invasive species can cause dramatic changes in the structure of intertidal communities. In some systems, however, abundance or impacts of invaders may peak 10–20 years after invasion and decline thereafter. Hemigrapsus sanguineus (Asian Shore Crab) has been established at Sandwich, MA, on the north side of Cape Cod, since the mid-1990s. This study documented population dynamics of the Asian Shore Crab and 3 species of prey or competitors (Carcinus maenas [Green Crab], Mytilus edulis [Blue Mussel], and Littorina littorea [Common Periwinkle]) over 10 years. An additional goal of the study was to determine whether population growth of the Asian …