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The USGS Gap Analysis Program maintains four primary data sets: land cover, protected areas, species and aquatic. The GAP Land Cover Data Set is the most complete map ever produced of vegetative associations for the US. Classified into 551 ecological systems, and 32 modified ecological systems (where human impacts have had an effect).
The unorganized territory (UT) of Maine is the area of Maine that has no local, incorporated municipal government. The unorganized territory consists of 435 townships, primarily heavily forested areas of the state's north, east, and west, along with de-organized municipalities and islands.
The Maine Land Trust Network (abbreviated MLTN) promotes discussion among the eighty land trusts in Maine, United States. [1] It was established in 1995. [2]As of 2023, MLTN members have conserved over 2,685,000 acres (1,087,000 ha) of land, maintain over 2,500 miles (4,000 km) of hiking trails, and provide over 340 water access points.
Vector data can be displayed as vector graphics used on traditional maps, whereas raster data will appear as an image that may have a blocky appearance for object boundaries. (depending on the resolution of the raster file). Vector data can be easier to register, scale, and re-project, which can simplify combining vector layers from different ...
A land-grant university (also called land-grant college or land-grant institution) is an institution of higher education in the United States designated by a state to receive the benefits of the Morrill Acts of 1862 and 1890, [8] or a beneficiary under the Equity in Educational Land-Grant Status Act of 1994. [9]
According to the 2020 United States census, Maine is the 9th least populous state, with 1,372,247 inhabitants, and the 12th smallest by land area, spanning 30,842.92 square miles (79,882.8 km 2). [1] Maine is divided into 16 counties and contains 482 municipalities consisting of cities, towns, and plantations. [2]
The most populous counties tend to be located in the southeastern portion of the state, along the Atlantic seaboard. The largest counties in terms of land area are inland and further north. Maine's county names come from a mix of British, American, and Native American sources, reflecting Maine's pre-colonial, colonial, and national heritage.
On July 21, 2023, the OMB delineated one combined statistical area, three metropolitan statistical areas, and one micropolitan statistical area in Maine. [1] As of 2023, the largest of these is the Portland-Lewiston-South Portland, ME CSA , comprising the region around Maine's largest city of Portland .