环县典型草原放牧家畜践踏的模拟研究

林慧龙, 任继周

Quantitative Studies of the Effects of Trampling on Typical Steppe of Huanxian in Eastern Gansu,China

LIN Hui-long, REN Ji-zhou

. 2008, (1): 97 -99 . DOI: 10.11733/j.issn.1007-0435.2008.01.020