In addition, the area of medium-coverage grassland in the medium- to high-suitability areas has a decreasing trend for the past 30 years, from 5.45 × 10 4 km 2 in 1980 to 5.40 × 10 4 km 2 in 2000.
← all excerpts
Possibility of Wild Boar Harm Occurring in Five Provinces of Northwest China.
1
—
—