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2 不同坡向甘肃臭草叶性状(平均值±标准误差)

Table 2 Leaf traits of Melica przewalskyi on different slope aspects (mean ± SE)

坡向 Slope aspects	叶面积 Leaf area (mm²)	叶体积 Leaf volume (mm³)	叶干质量 Leaf mass (mg)	比叶面积 Specific leaf area (mm²·mg^-1)
北坡 North slope	107.72 ± 2.73^a	11.38 ± 0.23^a	9.07 ± 0.18^a	11.88 ± 0.35^a
东坡 East slope	97.46 ± 2.16^b	10.86 ± 0.20^b	8.98 ± 0.20^a	10.85 ± 0.27^b
西坡 West slope	92.85 ± 1.41^c	9.11 ± 0.18^c	8.72 ± 0.16^a	10.65 ± 0.25^b
南坡 South slope	85.34 ± 1.02^d	7.86 ± 0.15^d	8.45 ± 0.14^a	10.10 ± 0.19^c