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The NWI relies on trained image analysts to identify and classify wetlands and deepwater habitats from aerial imagery. NWI started mapping wetlands at a small scale (1:250,000 map which covers an area the size of 128-1:24,000 USGS topographic maps or approximately 7,400 square miles).
Raster maps of environmental variables including soil pH, potential evapotranspiration, average snow depth, and more. Global 200: Vector data from WWF of "a set of the Earth's terrestrial, freshwater, and marine ecoregions that harbor exceptional biodiversity and are representative of its ecosystems." [7] Global Lakes and Wetlands Database
The Massachusetts Area of Critical Environmental Concern (ACEC) Program is a list of state-designated places within the Commonwealth that receive special attention due to their natural and cultural resources. The program was established in 1975 and includes a list of thirty ACECs covering over 268,000 acres in seventy six communities throughout ...
Currently the Wetlands Geodatabase contains over 34,500 7.5 minute map areas in a seamless ArcSDE geodatabase format. This represents wetland map data for approximately 64 percent of the conterminous U.S., 30 percent of Alaska, 100 percent of the windward islands of Hawaii, 77 percent of Puerto Rico and the U.S. Virgin Islands and, 100 percent ...
Massachusetts, with forests covering 3,060,000 acres (12,400 km 2) (59%) of its land area, administers more than 500,000 acres (2,000 km 2) [1] of state forest, wildlife and watershed land under the cabinet level Executive Office of Energy and Environmental Affairs.
class=notpageimage| Massachusetts State Parks (Hover mouse over pog to popup clickable link) Map all coordinates using OpenStreetMap Download coordinates as: KML GPX (all coordinates) GPX (primary coordinates) GPX (secondary coordinates) This list of Massachusetts State Parks contains the state parks and recreation areas in the Commonwealth of Massachusetts managed by the Massachusetts ...
This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2).
MassWildlife manages over 100 Wildlife Management Areas (WMA) and 13 wildlife sanctuaries with responsibility for over 200,000 acres (810 km 2) of lands and waters. WMAs are all open to hunting, fishing, trapping and other outdoor recreation activities.