1) Productive density
生产性采伐
2) ecological cutting
生态采伐
1.
It was indicated that ecological cutting mode should be adopted in the course of the forest from conversion of cropland to reduce damage to forest land and reserved trees,realize continuous coverage of forest land,and play the role in the ecological protection.
指出退耕林应采取生态采伐的技术模式,以减少对林地和保留木的损伤,实现林地连续覆盖,最大限度地发挥退耕林的生态保护功能。
3) Ecological harvesting
生态采伐
1.
Study on the Format of Shrub Ecological Harvesting;
沙生灌木生态采伐方式的研究
2.
Forest ecological harvesting has double attributes, active or negative, which impacts on the resource quality, ecological environment, function of environmental services and system benefits of forest.
森林生态采伐对森林的资源质量、生态环境、环境服务功能和森林生态系统的整体效益的影响具有积极或消极的2种属性,对其属性和影响程度的判别需通过科学的系统评价来完成,森林生态采伐系统评价模型研究正是解决森林生态采伐系统评价问题的关键。
4) REGENERATION
[英][ri,dʒenə'reiʃən] [美][rɪ,dʒɛnə'reʃən]
低产林采伐
1.
A PRELIMINARY STUDY ON REGIMES OF CLEAR CUT AND REGENERATION OF THE DETERIOUATED PINUS MASSONIANA FOREST;
马尾松低产林采伐和改造试验技术研究
5) commercial logging
商品性采伐
1.
The necessity and possibility of commercial logging in these areas were formulated.
分析云南省“天保”工程区人工林特点 ,阐述“天保”工程区人工林进行商品性采伐的必要性和可能性。
6) ecology-based forest harvesting
森林生态采伐
1.
The paper discussed concepts and principles of ecology-based forest harvesting and connotation of ecology-based forest harvesting theory systematically.
系统论述森林生态采伐的概念、原则和森林生态采伐理论的内涵。
补充资料：昆虫个体生态学(见昆虫生态学)
昆虫个体生态学(见昆虫生态学)
昆虫个体生态学见昆虫生态学
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条