1) forest stage
森林化时期
2) Forest Culture
森林文化
1.
Forest Culture and Its Development during Chinese Different Historical Periods;
中国历史时期的森林文化及其发展
2.
Study on Social,Economic & Systematie Characteristics of Forest Culture;
森林文化的社会、经济及系统特征
3) Forest degradation
森林退化
1.
As one of the most critical environmental problems in the 21st century, forest degradation has been facing worldwide.
森林退化可以理解为森林面积减少、结构丧失、质量降低、功能下降;森林衰退则是森林退化的一种形式,指森林(树木)在生长发育过程中出现的生理机能下降、生长发育滞缓、生产力降低甚至死亡,以及地力衰退等状态。
2.
Forest degradation,forest management,devegetation and revegetation are several additional direct human\|induced activities under the Kyoto Protocol 3 4 Their definitions are closely connected to the carbon accounting methodologies and the greenhouse gases (GHGs) emissions and removals of these activities,for which they are the key issues concerned by IPCC and UNFCCC.
森林退化、森林管理、植被破坏和恢复是涉及《京都议定书》第 3条第 4款 (3。
3.
The change of soil enzyme activity and relationship between enzyme activity and soil nutrient content during the process of forest degradation were studied to provide the theoretical basis for revegetation in Karst region with the frail ecosystem.
为给喀斯特环境脆弱生态系统的植被恢复提供理论依据,对贵州中部喀斯特森林退化过程中土壤酶活性的变化及其与土壤养分含量的相关关系进行了研究。
4) forest variety
森林变化
1.
In accordance with the characteristics of forest variety,precipitation,runoff and sediment movement of Three-Gorge region of Yangtze River,the properties of runoff and sediment movement is studied by the method of watershed comparison with itself,based on the observations on forest,runoff,sediment,etc of Wuduhe watershed in Three-Gorge region of Yangtze River.
针对长江三峡地区森林变化及降雨、径流及泥沙运动的特点,采用流域自身对比法,在长江三峡库区选择了雾渡河流域的森林、径流及泥沙等观测数据,研究径流及泥沙运动特性。
6) forest evolution
森林演化
补充资料：森林资源(见世界森林资源、中国森林资源)
森林资源(见世界森林资源、中国森林资源)
forest resources
sen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
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