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We use ten classifications
of land use types, which were adapted from past Colby studies of other lakes
in the area. In some of the land
use analyses, we used exceptions to these classifications.
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For the 2002 map, mature and
transitional forest were grouped into a single category of forest. This is because the photographs were
taken in April, at which time no leaves were on the trees, and it was therefore
impossible to distinguish mature from transitional forest.
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For the land use change map,
the classifications were grouped into other broader categories to enable
comparisons between the two maps.
For example, old field and cleared land were group into a disturbed
forest category; cropland, hayland, and pasture were grouped into the
category of agriculture; and the residential and commercial/municipal
classifications were grouped into developed land.
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