The landscape diversity index indicates the number of classes of land that are in proximity to each point in a digital grid cell map. The index is D=100(i-1)/(n-1), where i = the number of landscape classes within a selected distance of each grid cell and n = the total number of mapped classes. The use of the index is illustrated by calculating the diversity index at each grid cell for each of five mapped classes and displaying the resulting diversity index map that portrays the complexity of the scene. The method is applicable to land-use planning, site selection, or description of landscape complexity.-Author
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Spatial diversity index mapping of classes in grid cell maps.