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Sea Turtles and Marine Mammals: Sightings Per Unit Effort

Coastal and Marine

The Nature Conservancy's Northwest Atlantic Marine Ecoregional Assessment data. Includes: Point nesting data, Environmental Sensitivity Index (ESI) importance and nesting areas and sightings per unit effort (SPUE) for the three species of turtles - Green sea turtle, Leatherback turtle, and Loggerhead turtle. And Marine Mammal data: assessed, combined and converted from seasonal species sightings into 10-minute squares. Individual grids were then multiplied by 1000 and divided by seasonal effort grids previously generated by the U.S. Navy. The resulting sightings per unit effort (SPUE) grids were used to identify important areas within the Ecoregion for each species.

The link address is: http://easterndivision.s3.amazonaws.com/Marine/4-mammals-and-turtles.zip

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