Forest Inventory of a Northern Hardwood Forest: Watershed 6 2002, Hubbard Brook Experimental Forest
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资源简介：
Forest inventory surveys were initiated in 1965,
repeated in 1977, and repeated at 5 year intervals after
that; this data set was collected in summer of 2002. The
inventory consists of a total inventory of all trees >=10
cm diameter-at-breast-height (dbh) on the whole of the
watershed (13.23 ha), as measured in each of the 208 25 m x
25 m plots. Trees >=2 to <=10 cm dbh were subsampled
using a 3 meter wide strip along one edge of each 25 m x 25 m
plot. With the addition of tree tags in 2002 on all trees
>=10 cm dbh, tracking of individual trees is now
possible. These data were gathered as part of the Hubbard Brook
Ecosystem Study (HBES). The HBES is a collaborative effort at
the Hubbard Brook Experimental Forest, which is operated and
maintained by the USDA Forest Service, Northern Research
Station.
创建时间：
2019-01-09
