1、

Woodland forest cover of more than 90 % canopy density of 0.8.

林地森林覆盖率达90%以上,林冠郁闭度为0.8.

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2、

In all factors of vegetation structure characteristic, the average height of shrubs, the average canopy of trees and the average canopy of grass are difference factors in whole level, and the density of Black birch ( Betula dnvurica) is difference factor in specific composition level.

各样地的植被结构特征因子中,灌木平均高度、乔木平均盖度(郁蔽度)、草本平均盖度是各样地在总体水平上的差异因子,黑桦密度是样地树种组成水平上的差异因子;

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3、

Stand density was reduced from 404 to 387 stem/ hm 2, and basal area from 44 83 to 43 79 hm 2.All species in high canopy layer except Acer mono decreased in number of stems.

林分密度从404株/hm2降至387株/hm2,而基础面积从44.83hm2降至43.79hm2。除色木槭之外,冠层林木的株数降低。

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4、

By the contrast analysis, we find that rainfall and tree layer crown density are the main factors which had impaction on the canopy interception, throughfall and stemflow. ( 4) The maximum interception capability of the forests.

通过对比分析,得出:降雨量和乔木层郁闭度是影响森林林冠截留、穿透雨和树干流大小的主要因子。(4)森林的最大截留量分析。

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5、

Lower maize planting density would increase flecks of sunlight and PAR transmittance evidently in canopy bottom.

稀植会明显增加冠层下部的光斑和平均PAR透光率。

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6、

The traffic noise attenuation by green belts along expressway and the effects of belt width and canopy density on noise attenuation were studied by in-situ investigation in this paper.

该研究采用选取试验点进行原位调查的方法,研究了山东省3条主要高速公路路侧绿化带对交通噪声的衰减效果,并探讨了林带宽度和郁闭度对噪声衰减的影响。

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7、

Standard Effect of Forest Canopy Density on Stock Volume Estimation

森林郁闭度对蓄积量估测的影响规律

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8、

Forest canopy density and stock estimation by using ridge estimation and robust estimation.

用岭估计及稳健估计测估测森林郁闭度及蓄积;

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