旱獭（ Marmota himalayana ）掘洞对若尔盖盆地草地沙化的影响

黎俊豪, 杨晴雯, 裴向军, 崔圣华, 陈芝, 林皓然, 陈林万

Effects of caves digging by Marmota himalayana on grassland desertification in the Zoige Basin， China

Junhao Li, Qingwen Yang, Xiangjun Pei, Shenghua Cui, Zhi Chen, Haoran Lin, Linwan Chen

图5 不同坡向研究区面积、沙斑面积和旱獭洞数量变化趋势

Fig.5 Variation trend of study area，sand spot area and number of marmot caves in different aspects