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PFOR - Percentage of forest The percentage of forest land cover is calculated by dividing the
number of forest land cover cells in the 1 km grid cell reporting
unit by the total number cells in the grid cell boundary minus those
cells classified as water (total land area). Forests and wetlands
act as filters, removing pollutants from runoff before it enters
streams. Forests and wetlands also provide habitat for a wide variety
of valuable plant and wildlife species. |