氮添加对内蒙古退化草地植物群落多样性和生物量的影响
杨倩1,2,王娓2*(
),曾辉1,2*()
),曾辉1,2*()
Effects of nitrogen addition on the plant diversity and biomass of degraded grasslands of Nei Mongol, China
Qian YANG1,2,Wei WANG2*(),Hui ZENG1,2*()
),Hui ZENG1,2*()
图6. 氮添加对不同程度退化草地基尼系数(基于功能群植物高度不对称)的影响(平均值±标准误差)。EDG, 极度退化草地; MDG, 中度退化草地; SDG, 重度退化草地。
Fig. 6. Change in Gini coefficiesed on the asymmetry of plant functional groups height with nitrogen addition rate at grasslands under three different levels of degradations (mean ± SE). EDG, extremely degraded grassland; MDG, moderately degraded grassland; SDG, severely degraded grassland.
