Spatial Heterogeneity of Ulmus pumila Open Forest Ecosystem in Otindag Sandy Land
浑善达克沙地榆树疏林生态系统的空间异质性
Ulmus pumila open forest ecosystem plays an important role in Otindag Sandy Land.
榆树疏林生态系统是浑善达克沙地得重要组分之一。
Open forest land, arable hills and wasteland are primary reforestation objectives.
在疏林地和宜林荒山荒地开展人工造林，扩大森林面积。
This fast-growing forest effectively prevents windstorms and fastens sand in the land.
这片速生林有效地起到了防风固沙的作用。
Rusults of artificial aids to natural regeneration of cut over land in broadleaf forest
阔叶林采伐迹地人工促进更新效果研究
Our new forest law prohibits the destruction of the rainforest and changes in land use.
我国新森林法禁止破坏雨林和改变土地使用。
Quickly accurate determination method of forest land crown density based on ArcView GIS
支持下的林地郁闭度的快速精确测定方法
? Promotion of afforestation and land rehabilitation in countries with low forest cover.
在低森林覆盖率国家促进植树造林和土地整治。
Forest and integrated land use assessments cover forest lands and trees outside forests.
森林和土地利用综合评估涉及林地和森林以外的树木。
According to a knowledgeable person said that the housing land was bought from Forest Farm.
据知情者说，购买住房的土地是从林场。
but have great difference comparatively in Populus euphrtaicr forest region and clover land.
胡杨林地和苜蓿地各剖面土壤水分差异较大。
So the most important methods are the sloping cultivated land and to plant forest and grass.
改善这种局面的主要方式就是坡耕地退耕，大力种植林草。
An Improvement on the Calculative Method for Forest Land Area and An Approach to the Allowable
林地面积计算方法的改进与罗盘仪导线限差的探讨
The Study of Some Problems about Effects of Selective Cutting on Soil Respiration of Forest Land.
择伐对林地土壤呼吸影响若干问题的研究
Effect of soil conservation forest depends on land surface cover of dead leave and soil condition.
水土保持林的效益主要取决于林地枯落物和林地土壤状况。
Experimental Study on Controlling Young Toona sinensis Forest Land Weeds with Hexazinone Herbicide
森泰除草剂防除香椿幼林地杂草的试验研究
The amount of nutrient input with rainfall in forest land was more than the amount of runoff output.
降雨输入林地的养分量大于径流的输出量。
Study on Returning Cultivation Land to Forest and Ecological Problems in Jingshajiang Dry Heat Valley
金沙江干热河谷退耕还林与生态问题的研究
Study on Functions of Different Forest Kind and Tree Species of Multi Uses Timber Forest in Flood Land
滩地多功能用材林体系主要林种树种功能优化研究
Experiment on introduction fruit trees at interior sandy land in erosion protection forest along the coast
沿海防护林内层沙滩引种果树试验
After adopting the policy of forest conservation, the problem of desertification of land has been relieved.
实行封山育林的办法以来，这里的土壤沙化问题有了明显缓解。
Discussion on Developing Intensively managed Eucalypt Plantations on Leasehold Forestry Land by Guangxi State Forest Farms
广西国营林场租赁林业用地发展速丰桉浅议
It also restricted the access of local people to the remaining forest and to agricultural land belonging to the concession.
该公司也禁止当地人民进入其余的森林和租让地所属农地。
Effects of Different Time Gradient of Cropping Land Conversion to Forest on Soil Physical Properties in DaTong County of QingHai
青海大通不同退耕还林时间梯度对土壤物理性状的影响
A STUDY OF THE EFFECT OF CLEAR CUTTING AND PRESCRIBED BURNING ON THE MIGRATION OF THE NUTRIENT ELEMENTRESOURCES OF THE FOREST LAND
皆伐炼山对林地养分元素资源迁移影响的研究
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