1) plantation ecosystem management
人工林生态系统经营
2) artificial forest ecosystem
人工林生态系统
1.
Characteristics of carbon stock in artificial forest ecosystem in Sichuan Province of China;
四川人工林生态系统碳储量特征
3) plantation ecosystem
人工林生态系统
1.
Microclimate characteristics and related environmental energy mechanisms were examined based on the long term located observations in the mature, thinned and young Cunninghamia lanceolata plantation ecosystems in western Hunan Province, China.
该文通过位于湖南西部的森林生态系统研究站的长期定位观测 ,研究了杉木人工林成熟林、间伐林和幼林的小气候特征 ,在分析人工林生态系统环境能量的基础上 ,探讨其小气候的形成机制 ,揭示了人工林生态系统在生态恢复后的小气候变化规律 。
4) agroforestry ecosystems
农林复合经营生态系统
1.
The effect of agroforestry ecosystems on local environment was studied by using multilevel fuzzy synthetic evaluation--grey correlativity analysis model.
为研究农林复合经营生态系统的营造及其人为管理对当地环境产生的影响,在实地监测和调查分析的基础上,运用多级模糊综合评判-灰色关联优势分析复合模型,对渭北旱塬2种主要类型农林复合经营生态系统(以苹果-农作物间作为主的T1型和以花椒-农作物间作为主的T2型)的环境效应进行了评价与对比研究。
5) forest ecosystem management
森林生态系统经营
1.
Tending thinning-improvement of stands is a crucial measure in forest ecosystem management;
抚育改造是森林生态系统经营的关键性措施
2.
The background and concept of Forest Ecosystem Management (FEM) are described in the paper The author states the application of ecological principles including energy flow and material cycle, definition of ecological boundary, maintenance of forest ecosystem health and biodiversity in forest ecosystem management In addition, the major problems with FEM and future development of FEM are discusse
阐述了森林生态系统经营提出的背景及概念 ,论述了生态学的物流与能流原理、系统边界的确定、维护森林生态系统健康以及生物多样性原理在森林生态系统经营中的应用 ,并简述了森林生态系统经营目前存在的主要问题和未来的发
6) Complex Afforestation Ecology Economic System
人工林复合生态经济系统
补充资料：电传操纵系统(见飞机人工飞行操纵系统)
电传操纵系统(见飞机人工飞行操纵系统)
fly-by-wire control system
dianehuan cuozongx认ong电传操纵系统(fzy一by一wir。。。n:r。，system)见飞机人工飞行操纵系统。
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