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Nature Conservancy (U.S.)
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Marine habitats
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1. Marine Fish Weighted Persistence (Fall), 1970-2006
2013. Nature Conservancy (U.S.). Weighted persistence is reported for each ten-minute square (TMS) for each of 48 target species. Weighted persistence is a calculation where each d... Northeast Ocean Data.
2. Marine Fish Weighted Persistence (Spring), 1970-2006
Nature Conservancy (U.S.). Weighted persistence is reported for each ten-minute square (TMS) for each of 48 target species. Weighted persistence is a calculation where each d... Northeast Ocean Data.
3. Marine Mammals Sightings Per Unit Effort, 1979-2007
1979. Nature Conservancy (U.S.). Geospatial data obtained from the United States Navy included point shapefiles of valid sightings for all marine mammal targets and pre-calculated ... Northeast Ocean Data.
4. Shellfish Habitats for Maine, Massachusetts, and New Hampshire, 1975-2013
1975. Nature Conservancy (U.S.). This shellfish habitat layer was derived from datasets from Maine, Massachusetts and New Hampshire state GIS resources. Shapefiles downloaded/provi... Northeast Ocean Data.