Name: NEFSC Scallop Survey Extent

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Description: This layer displays scallop biomass (meat weights in kilograms) from all NOAA Northeast Fisheries Science Center NEFSC scallop dredge surveys from 1966 to 2014. The NEFSC scallop survey program began in 1960 and had a major gear change in 1979. Since 1979 there have been other gear and vessel changes, for which the effects are generally small. In cases where it was deemed appropriate after study, correction factors have been applied to the data. These data are used to help assess the stock of scallops in the North Atlantic. <p> Other data that are collected during NEFSC scallop dredge surveys (but that are not shown here) include scallop shell heights, the number and height of dead scallop shells, any finfish, cephalopods and lobsters caught during the survey, as well as the presence/absence of other bivalve species (e.g., ocean quahogs, razor clams) and invertebrate species (e.g., sand dollars, anemones).

Definition Expression: N/A

Copyright Text: Virginia Institute of Marine Science (VIMS), School of Marine Science and Technology (SMAST) at University of Massachusetts Dartmouth

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Spatial Reference: 102100  (3857)

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