headwater region造句

Relationship between agroforest landscape and soil erosion intensity in Minjiang headwater region

Thearticle deepens the cognition about the rules of ecological change inthe headwater region of Yellow River, reduces blindness and providesscientific reference to layout of the region.

Changes in plant communities and soil microbial physiological groups of artificial grasslands established for different years in headwater region of Yangtze River and Yellow River