The two projects,returning cultivated land in steep hills into forest and banning deforestation in the upper reaches of the Yangtze River have a long-standing ecological significance.
长江上游陡坡耕地退耕还林和天然林禁伐具有长远的生态意义 ,对促进该地区农村经济结构和农业结构调整也有积极作用。
Problems and Countermeasures of Enforcing Logging-ban at the Natural Forest Area of Makehe Forestry Bureau in Qinghai Province;
青海省玛可河林业局天然林禁伐后面临问题的探讨
A logging ban has been in place since the national Natural Forests Protection Program (NFPP) started in year 1999.
自从1999年国家天然森林保护计划开始实施后就开始禁止采伐。
The Environmental Issues Raised by the Township Enterprises in the Ethnic Groups Areas;
四川省民族地区乡镇企业发展环境问题——以甘孜州为例兼谈天然林“禁伐令”的影响
Since the 1980s, China has exercised cutting quotas in natural forests.
从80年代开始对天然林限额采伐。
Fourth, gradually shifting emphasis from felling natural forests to logging in plantations.
四是由采伐天然林为主逐步向采伐人工林为主的转变。
Consideration to Stop Felling Natural Forests in National Key Forest Ragion
对停止重点国有林区天然林主伐的思考
A Preliminary Study of Biodiversity Recovery Trial of Enclosed Lowly Efficient Natural Forest in Jiangyou City
江油市低效天然林封禁试验初步研究
Deforestation on the upper-middle reaches of the two rivers will be stopped completely.
全面停止长江、黄河流域上中游天然林采伐。
Study on Growth Potential and Selection Cutting of Natural Evergreen Broad-leaved Forests;
天然常绿阔叶林生长潜力及择伐经营研究
A Study on the Ecological Effects and Operation Technology of Slective Cutting of Natural Mixed Stand of Conifer and Broad-leaved Trees;
天然针阔混交林择伐生态影响及作业技术研究
3) Among the forests with special uses, the trees in sites of historical interests and revolutionary commemoration and the forest in the natural protection area shall forbid cutting.
（三）特种用途林中的名胜古迹和革命纪念地的林木、自然保护区的森林，严禁采伐。
among the forests with special uses, the trees in sites of historical interests and revolutionary commemoration and the forest in the natural protection area shall forbid cutting.
特种用途林中的名胜古迹和革命纪念地的林木、自然保护区的森林,严禁采伐
In has not received in the forest which the destruction the natural forest and the process cuts, the panda likes former.
在未受到破坏的天然林和经过采伐的森林中，大熊猫喜欢前者。
Influence of the Selective Intensity on Spatial Structure of Mid-subtropical Natural Mixed Stand of Conifer and Broad-leaved Trees
择伐强度对中亚热带天然针阔混交林林分空间结构的影响
Discussed on the Management of cultivate Changes of Natural Poplar Woods to Short Rotation Timber Forest
谈天然杨树林改培为短轮伐期用材林的经营利用
forest fallow: All complexes of woody vegetation derived from the clearing of natural forest for shifting agriculture.
休耕林,轮耕林:指天然森林斫伐清理后,准备转向农业使用过程中的所有林木植被复合地带。
Growth model and cutting age of masson pine natural forest in Zhejiang
浙江省马尾松天然林生长模型及采伐年龄的确定
The Application of GIS in Ecological Logging Planning of the Natural Forest in Changbai Mountain;
GIS在长白山天然林生态采伐规划设计中的应用研究