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Turtle Impact Tool
The Turtle Impact Tool was created to provide conservative estimates for the impact of different scallop fishery management alternatives on loggerhead sea turtles. This tool incorporates spatially and temporally specific data for monthly turtle densities, derived from loggerhead tagging programs, and for scallop fishing effort, derived from scallop survey programs, Vessel Trip Reporting (VTR) data, and Vessel Monitoring System (VMS) data.
The tool can be accessed at
Click on the links below to download a copy of the user guide or a zipped folder with the default scallop biomass raster and the csv files described in the guide.
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