A New Digital Georeferenced Database of Grassland in China

Y. Chen and G. Fischer

Working Papers from International Institute for Applied Systems Analysis

Abstract: Grassland covers some 40 percent of China's territory and constitutes an important territorial resource serving critical economic and environmental functions. Pastoralism has been an important pillar of the rural economies in the dry and cold areas of the plateau region, Nei Mongol and north-western China. Grass cover plays also an important environmental role in the protection of highly erodible soils of sloped land, and in arresting sand in areas prone to wind erosion and desertification. In the 1980s and the early 1990s, Chinese institutions have undertaken detailed county-level surveys of grassland resources, and compiled maps and databases of grassland distribution and productivity. The \f2Map of Grassland in China\f1 at the scale of 1:4M was recently completed and implemented as a digital database of 17 grassland types on GIS. This report describes the features of the database and summarizes the extents geographical distribution of grassland in China.

Date: 1998-09
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