降水量变化对藏北高寒草地养分限制的影响
宗宁1, 石培礼1,2,*(
), 赵广帅3, 郑莉莉1,2, 牛犇1, 周天财1,2, 侯阁1,2
), 赵广帅3, 郑莉莉1,2, 牛犇1, 周天财1,2, 侯阁1,2
Variations of nitrogen and phosphorus limitation along the environmental gradient in alpine grasslands on the Northern Xizang Plateau
ZONG Ning1, SHI Pei-Li1,2,*(), ZHAO Guang-Shuai3, ZHENG Li-Li1,2, NIU Ben1, ZHOU Tian-Cai1,2, HOU Ge1,2
), ZHAO Guang-Shuai3, ZHENG Li-Li1,2, NIU Ben1, ZHOU Tian-Cai1,2, HOU Ge1,2
图4. 不同类型高寒草地氮磷相对共同限制指数。ADS, 高寒荒漠草原; AM, 高寒草甸; AMS, 高寒草甸草原; AS, 高寒草原。图中不同大写字母代表相同年份养分限制指数在不同群落之间差异显著(p < 0.05)。
Fig. 4. Relative co-limitation index of nitrogen and phosphorus for different types of alpine grasslands. ADS, alpine desert-steppe; AM, alpine meadow; AMS, alpine meadow-steppe; AS, alpine steppe. RCIN, nitrogen limitation index; RCIP, phosphorus limitation index. Different uppercase letters in the same year represent significant differences among grassland types (p < 0.05).
