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2013. United States. National Oceanic and Atmospheric Administration, Coastal Services Center (U.S.), United States. Department of Commerce, and United States. National Ocean Service. This polygon shapefile represents danger zones and restricted areas in the Northeastern United States. Danger Zone - A defined water area (or areas... Coastal Services Center (U.S.).
2014. SeaPlan. This polygon shapefile represents eelgrass beds in the Northeastern United States. Eelgrass (Zostera marina) beds are critical wetlands components ... Northeast Regional Ocean Council.
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.
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.
2013. Applied Science Associates. This polygon shapefile represents marine mammal management areas in the Northeastern United States. The Code of Federal Regulations designates area... Northeast Ocean Data.
1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007. 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.
2012. I.M. Systems Group. This polygon shapefile represents the geographic location and identity of designated areas used to manage vessel traffic in the northeast United St... United States. National Oceanic and Atmospheric Administration.
2014. Nature Conservancy (U.S.). This point shapefile contains site locations from the National Register of Historic Places in Maine, Massachusetts and Rhode Island within 10km of ... Northeast Regional Ocean Council.
2011, 2012, 2013, and 2014. Applied Science Associates. This polygon shapefile represents No Discharge Zones in the Northeastern United States. A No Discharge Zone (NDZ) is a designated boundary within w... Northeast Ocean Data.
2013. I.M. Systems Group. This polygon shapefile represents maintained navigation channels in the North Atlantic United States. The condition of navigation channels is repor... United States. National Oceanic and Atmospheric Administration.