祁连山高寒草地甘肃臭草叶性状与坡向间的关系

党晶晶, 赵成章, 李钰, 侯兆疆, 董小刚

Relationship between leaf traits of Melica przewalskyi and slope aspects in alpine grassland of Qilian Mountains, China

DANG Jing-Jing,ZHAO Cheng-Zhang,LI Yu,HOU Zhao-Jiang,DONG Xiao-Gang

表1 不同坡向草地群落特征

Table 1 Community characteristics on different slope aspects

坡向 Slope aspect	盖度 Coverage (%)	高度 Height (cm)	地上生物量 Aboveground biomass (g·m^-2)	土壤水分含量 Soil moisture content (%)
北坡 North slope	72.97 ± 1.43^a	34.50 ± 1.74^a	100.18 ± 2.13^a	12.30 ± 0.56^a
东坡 East slope	70.17 ± 1.26^b	27.80 ± 1.32^b	97.66 ± 2.28^b	8.90 ± 0.38^b
西坡 West slope	68.14 ± 1.18^c	25.80 ± 1.16^b	94.78 ± 1.49^c	8.50 ± 0.37^b
南坡 South slope	64.75 ± 1.16^d	21.80 ± 0.87^c	92.23 ± 1.74^d	6.70 ± 0.24^c