The relationships between the distributions of forest limit and subarctic coniferous trees and WI were examined in detail.
利用一些树种的分布资料，进一步论证了森林上限及亚寒带针叶林的分布与WI间的关系。
However, the externality of forest ecological effect makes its value cannot be compensated, which becomes principally limit factor for forest ecological construction.
但由于森林生态效益的外在性，使得其价值补偿无法实现，从而成为我国森林生态建设的根本性制约因素。
Due to the resolution limit of TM imagery, it is difficult to distinguish the forest variety in vertical structure.
由于TM卫星影像分辨率的限制，很难分别出林分垂直结构的差异。
Russian government prepared to develop forest industry and limit the export of logs.
俄罗斯近来准备大力发展木材深加工业，限制原木等木材初加工产品的出口；
The lower limit of forest price should be determined by the current cost of silviculture and reevaluation of capital.
认为林价下限的计算应以现行营林成本和重置完全资金占用为依据；
The lower limit of forest price should be determined by the current cost of silviculture and reevaluation of capital.
认为林价下限的计算应以现行营林成本和重置完全资金占用为依据；
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