2) Forest cover
森林覆被
1.
Based on the forest cover and land use data of Lao PDR in years of 1982,1992 and 2002,the concept of Lorenz curve and Gini coefficients(GC)are introduced to make an qualitative and quantitative analysis of the forest cover change in Lao PDR.
基于老挝各省在1982、1992和2002年三个时段的森林覆被和土地利用现状数据,应用洛伦茨曲线和基尼系数对老挝森林覆被变化进行定性和定量的研究,并分析了老挝森林资源变化的驱动力及其主要因子的影响。
4) forest cover rate
森林覆被率
1.
Investigation of soil and water loss in Hunan and Jiangxi provinces shows that there are still evident soil and water loss under forest even through the forest cover rate is as high as 51.
对湖南、江西两省水土流失概况的调查结果表明 ,尽管森林覆被率高达 5 1 4%和 5 3 % ,林地中的水土流失仍十分明显。
5) forest vegetation change
森林植被变化
1.
This thesis chooses Luoyugou watershed in Gansu province Tianshui city as the example research area,imitating and studying the runoff,sediment and water quality in the research area with the application of distributed hydrological model SWAT(the Soil and Water Assessment Tool),and stressing on the influence of precipitation and forest vegetation change to ecological hydrology responds.
以甘肃天水罗玉沟流域为研究区,应用分布式水文模型(SWAT)对该流域的径流、泥沙和水质状况进行模拟研究,并重点探讨了降雨和森林植被变化对水文生态响应的影响。
6) forestry vegetation bestrewing rate
森林植被覆盖率
1.
This paper analyzes the offect of forestry vegetation bestrewing rate change to inner drainage area runoff in the upper reach of Huma River in Daxinganling Area.
分析了大兴安岭地区呼玛河上游森林植被覆盖率变化对流域径流的影响。
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