Atlantic Surfclam
The recently completed pre-construction Atlantic Surfclam study determined the clam resource in the study area was composed of the commercially harvested Atlantic surfclam (S.s. solidissima) and another subspecies of surfclam, Spinsula solidissima similis. The majority of clams samples were S.s. similis.
While a relatively high number of surfclams were found in the study area, the clams were almost exclusively below the 120mm minimum commercial harvest size limit, indicating the commercially exploitable biomass is low. Abundance was higher in the southern study area than in the northern sample locations. Clams aged five to six years were common, with a maximum age of nine years, indicating hindered survival prior to 2017 or beyond six years of age.
These results are important for assessing species abundance, guiding sustainable practices and identifying potential impacts to marine life.
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