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1. 4种主要氮磷限制类型的生态系统生产响应模式。假定营养添加没有负面影响。CK, 对照; +A, 添加资源A; +B, 添加资源B; +AB, A和B共同添加。
Fig. 1. Biomass response patterns of the four main types of nitrogen and phosphorus co-limitation. Assuming that nutritional additions have no negative effects. CK, control (no resource addition); +A, adding resource A; +B, adding resource B; +AB, adding A and B together.
