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。
Forest interface ecology is suggested as a frontier subject of ecology and forest interface as the main object of the study.
将森林界面生态学作为生态学前沿学科，指出它的研究对象是森林界面，并较全面地论述了森林界面的结构与功能、界面的空间格局与分类、界面生理生态过程的动力学机制等问题。
Thickly forested land had to be cleared.
浓密的森林地面必须开垦出来。
duff:Decaying leaves and branches covering a forest floor.
半腐层:覆盖森林地面的腐败树叶或树枝.
Decaying leaves and branches covering a forest floor.
半腐层覆盖森林地面的腐败树叶或树枝
areas of the forest have degraded into scrub
森林的地面已退化成为丛林地。
the ocean, forest, valley, cave floor
海洋的底、 森林的地面、 谷底、 洞底.
The underground revolutionaries met at a secret rendezvous in the forest.
地下革命工作者在森林中的一个秘密地点会面。
a forest fire that burns only the surface litter and undergrowth.
仅燃烧林地表面的枯枝落叶或林下灌木、草层的一种森林火灾。
The forest floor had a thick matting of pine needles.
森林的地面上铺着一层厚厚的松针做的席子
There is a carpet of leaves and pine needles on the forest floor.
森林中的地面上有一层厚厚的落叶和松针。
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。
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
wide-ranging light-brown frog of moist North American woodlands esp. spruce.
大面积分布的北美洲潮湿森林地带特别是云杉林中的浅褐色蛙。
Ground conditions are not necessarily enigmatic in densely covered areas, even in rain forests.
在浓密森林覆盖区，甚至在雨林区，地面情况未必都是莫明其妙的。
Spatial Variability of Characteristic Function of Soil Water Movement on a Forested Hill-slope;
森林流域坡面林地土壤水分运动特征参数空间异质性研究
During this Period, the distribution acreage and space showed curtailment, at the same time, the natural forest were chopped down continuously.
在这一时期内 ,陇东地区森林分布面积和空间均呈缩减的态势 ,天然森林进一步遭到破坏。
He spread the photostatted military map out on the forest floor and looked at it carefully.
他在森林的地面上摊开影印的军用地图，仔细端详。
forest biogeocoenology
森林生物地理群落学
huge tracts of forest, desert, farmland, etc
大片森林、 沙漠、 耕地等.