施肥和放牧对青藏高原高寒草甸物种丰富度的影响
杨中领, 苏芳龙, 苗原, 钟明星, 肖蕊

Effects of fertilization and grazing on species richness in an alpine meadow of Qinghai-Xizang Plateau
YANG Zhong-Ling, SU Fang-Long, MIAO Yuan, ZHONG Ming-Xing, XIAO Rui
图1 施肥(30 g·m-2)对放牧地(A)和封育地(B)物种丰富度的影响(平均值±标准误差)。
Fig. 1 Effects of fertilization (30 g·m-2) on species richness in both grazed plots (A) and enclosure (B) (mean ± SE).