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.

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.

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.

Grey evaluation and forecasting of the forest coverage of Heilongjiang province;

RS statistics and analysis for forest coverage of Beijing.;

Optimal protective effect of forest coverage on soil and water loss in Gansu Province;

Afforestation could raise the forest coverage rate,which has positive effect on wind breaking and sand fixation as well as improving the eco-environment of Kangping.

Based on the comprehensiveness of forest coverage rate,total standing forest stock,average forest volume,a new indicator called \'Forest Thickness\'(FT) is put forward in this paper.

As a country rich in forest resources in early history, according to the textual researches, China had a high percentage of forest cover over 60% before the Xia Dynasty established 4 000 years ago.