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模拟增温改变青藏高原植物繁殖物候及植株高度
魏瑶1,4, 马志远2, 周佳颖3, 张振华1,*()
Experimental warming changed reproductive phenology and height of alpine plants on the Qingzang Plateau
WEI Yao1,4, MA Zhi-Yuan2, ZHOU Jia-Ying3, ZHANG Zhen-Hua1,*()

图2. 增温下2017 (A)和2018 (B)年青藏高原高寒植物各物种开花持续时间变化(平均值±标准误)。图中正、负值分别表示与对照相比延长、缩短的天数。*表示增温处理与对照相比差异显著(p < 0.05)。Cp, 红棕薹草; En, 垂穗披碱草; Gf, 线叶龙胆; Gs, 麻花艽; Ht, 藏异燕麦; Kc, 线叶嵩草; Kh, 矮生嵩草; Mr, 花苜蓿; Ok, 甘肃棘豆; Pp, 草地早熟禾; Pf, 金露梅; Pv, 珠芽蓼; Sa, 异针茅; Sp, 美丽风毛菊; Th, 高山豆。

Fig. 2. Changes of flowering time among each species of alpine plants on the Qingzang Plateau in 2017 (A) and 2018 (B) under warming condition (mean ± SE). A positive value indicates longer flowering time than the control; a negative value indicates shorter flowering time than the control. * indicates significant difference between treatment and the control (p < 0.05). Cp, Carex przewalskii; En, Elymus nutans; Gf, Gentiana lawrencei var. farreri; Gs, Gentiana straminea; Ht, Helictotrichon tibeticum; Kc, Kobresia capillifolia; Kh, Kobresia humilis; Mr, Medicago ruthenica; Ok, Oxytropis kansuensis; Pp, Poa pratensis; Pf, Potentilla fruticosa; Pv, Polygonum viviparum; Sa, Stipa aliena; Sp, Saussurea pulchra; Th, Tibetia himalaica.