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2. 藏北高原不同类型高寒草地降水量年际变化与土壤氮(N)、磷(P)含量背景值随降水量变化的趋势。ADS, 高寒荒漠草原; AM, 高寒草甸; AMS, 高寒草甸草原; AS, 高寒草原。
Fig. 2. Inter-annual variations of precipitation in different types of alpine grasslands and the relationship between soil nitrogen (N) and phosphorus (P) content and precipitation on the Northern Xizang Plateau. ADS, alpine desert-steppe; AM, alpine meadow; AMS, alpine meadow-steppe; AS, alpine steppe.
