The paper clarifies and explains the data about the forest area and the volume according the time sequence, and reveals the changes of forest resources in Heilongjiang Province.
文章沿时间顺序对黑龙江省森林面积和蓄积量的数据的参考价值进行考释,以揭示黑龙江省森林资源的变迁。
The per capita forest area is 0.128 hectares in the whole country, about one fifth of the per capita forest area in the world.
全国人均占有森林面积为0.128公顷,相当于世界人均森林面积的1/5;
Clarify and Explian the Changes of Forest Area and Volume in Heilongjiang in Modern Times;
对近代黑龙江省森林面积和蓄积量变化的考释
Research on Application of TM Image to Auto Extraction of Forest Area in Western Sichuan Province;
TM图像用于川西地区森林面积自动提取的研究
Study of the Forest Area Statistic Based on the RS Technology;
基于RS技术的森林面积统计方法的研究
In private-owned forest,the forest-lords that possess forest area below 5 ha. amounts to 88.6%of the total forest-lords.
在私有林中,拥有森林面积5公顷以下的小林主占全部森林所有者的88.6%.
Tibet boasts 7.17 million ha of forest, and the stocking volume has reached 2.091 billion cu m. Tibet has the largest primitive forest in China.
西藏森林面积717万公顷,活立木蓄积量达20.91亿立方米,保存有中国最大的原始森林。
China's per-capita forest area and stocking volume lag far behind the worlds average level.
中国人均森林面积和蓄积量都远低于世界平均水平。
1) To impose a quota on forest cutting and encourage forest planting in order to expand the area of forest coverage;
(一)对森林实行限额采伐,鼓励植树造林、封山育林,扩大森林覆盖面积;
To impose a quota on forest cutting and encourage forest planting in order to expand the area of forest coverage;
对森林实行限额采伐,鼓励植树造林、封山育林,扩大森林覆盖面积;
add forest protection facilities and enhance forest protection in light of actual needs;
根据实际需要在大面积林区增加护林设施,加强森林保护;
The slopes are covered with luxuriant virgin forests spreading over a million hectares of land.
山坡上是茂密的原始森林,面积有100多万公顷。
Two-thirds of the area are covered with immense forests.
该地区面积的三分之二为广阔的森林所覆盖。
In fact all major temperate and boreal forests are expanding.
事实上,主要的温带和北部森林的面积都在扩大。
Estimating Forest Leaf Area Index Using Hyperspectral Remote Sensing Data of Hypeion;
利用Hypeion高光谱遥感数据估测森林叶面积指数
Estimating Forest Leaf Area Index Based on BP-Nueral Networks
基于BP神经网络森林叶面积指数估算研究
Study of the Prediction for Forest Fire-burned Area in Daxing'an Mountains Region
大兴安岭森林火灾过火面积预测的研究
Studies on the Area and the Number of the Sample for Forest Structure
森林结构调查中最适样方面积和数量的研究
Estimating Method of Forest Leaf Area Index on Different Space Scales
不同空间尺度森林叶面积指数的估算方法