The diameter distributions were simulated by the modified exponential distribution function for describing the stand structure, based on inventory data of broad-leaf forest in Changbai Mountain.

以长白山阔叶林三类清查资料为依据，采用修正指数分布式拟合并预测林分的直径分布。

youdao

It is the largest continuous area of primary broad leaf forest ecosystem in the whole sub-tropical zone.

UNESCO: EDUCATION

One of those surprises came during a visit to Eglin Air Force Base on the Florida panhandle, where he went to see the old-growth long-leaf pine forest.

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To complement these ground-based measurements, which can focus on only a limited area, the team will conduct aerial surveys once a year at each core site, looking at things like leaf chemistry and the health of forest canopies, and will also look down on them with satellites.

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