TREE = Tree Cover
Tree cover refers to the type of tree cover on the pasture area being rated. If the pasture is tree covered, the carrying capacity of the pasture must be reduced. The amount of this reduction in carrying capacity is dependent on the density and type of tree cover. For example, if there is no tree cover, the tree cover rating is 1.0. However, if there is Aspen tree cover, the carrying capacity is reduced accordingly. In pasture area "b" on the sample field sheet, the tree cover is "ASP". In this example, the carrying capacity of Aspen native pasture is reduced by 56% due to the presence of the tree cover. The 56% tree cover deduction is applied by multiplying 0.45 AUM/AC by a factor of 0.44.

Abbreviations:
ASP = Aspen
ASP/C = Aspen/coniferous forest
CF = Coniferous forest
SH = Shrub


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