气候变化领域集成服务门户(CCPortal): Shifts and plasticity of plant leaf mass per area and leaf size among slope aspects in a subalpine meadow

CCPortal

DOI	10.1002/ece3.8113
	Shifts and plasticity of plant leaf mass per area and leaf size among slope aspects in a subalpine meadow
	Li, Xin'e; Song, Xiaoyu; Zhao, Jun; Lu, Haifeng; Qian, Cheng; Zhao, Xin
通讯作者	Li, XE (通讯作者)，Yangzhou Univ, Coll Anim Sci & Technol, Div Grassland Sci, 48 Wenhui Rd, Yangzhou, Jiangsu, Peoples R China.
发表日期	2021
ISSN	2045-7758
起始页码	14042
结束页码	14055
卷号	11 期号:20
英文摘要	The composition of vegetation on a slope frequently changes substantially owing to the different micro-environments of various slope aspects. To understand how the slope aspect affects the vegetation changes, we examined the variations in leaf mass per area (LMA) and leaf size (LS) within and among populations for 66 species from 14 plots with a variety of slope aspects in a subalpine meadow. LMA is a leaf economic trait that is tightly correlated with plant physiological traits, while the LS shows a tight correlation with leaf temperature, indicating the strategy of plants to self-adjust in different thermal and hydraulic conditions. In this study, we compared the two leaf traits between slope aspects and between functional types and explored their correlation with soil variables and heat load. Our results showed that high-LMA, small-leaved species were favored in south-facing slopes, while the reverse was true in north-facing areas. In detail, small dense-leaved graminoids dominated the south slopes, while large thin-leaved forbs dominated the north slopes. Soil moisture and the availability of soil P were the two most important soil factors that related to both LMA and LS, and heat load also contributed substantially. Moreover, we disentangled the relative importance of intraspecific trait variation and species turnover in the trait variation among plots and found that the intraspecific variation contributed 98% and 56% to LMA and LS variation among communities, respectively, implying a large contribution of intraspecific trait plasticity. These results indicate that LMA and LS are two essential leaf traits that affect the adaptation or acclimation of plants underlying the vegetation composition changes in different slope aspects in the subalpine meadow.
关键词	INTRASPECIFIC VARIABILITY FUNCTIONAL TRAITS COMMUNITY-LEVEL PATTERNS VEGETATION NITROGEN MECHANISMS GRASSLAND DIVERSITY RESPONSES
英文关键词	heat load; intraspecific trait variation; leaf morphological traits; soil properties; species turnover
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目	Ecology ; Evolutionary Biology
WOS记录号	WOS:000696566400001
来源期刊	ECOLOGY AND EVOLUTION
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254536
作者单位	[Li, Xin'e; Lu, Haifeng; Qian, Cheng; Zhao, Xin] Yangzhou Univ, Coll Anim Sci & Technol, Div Grassland Sci, 48 Wenhui Rd, Yangzhou, Jiangsu, Peoples R China; [Song, Xiaoyu] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Peoples R China; [Zhao, Jun] Lvliang Univ, Dept Life Sci, Lvliang, Peoples R China
推荐引用方式 GB/T 7714	Li, Xin'e,Song, Xiaoyu,Zhao, Jun,et al. Shifts and plasticity of plant leaf mass per area and leaf size among slope aspects in a subalpine meadow[J]. 中国科学院西北生态环境资源研究院,2021,11(20).
APA	Li, Xin'e,Song, Xiaoyu,Zhao, Jun,Lu, Haifeng,Qian, Cheng,&Zhao, Xin.(2021).Shifts and plasticity of plant leaf mass per area and leaf size among slope aspects in a subalpine meadow.ECOLOGY AND EVOLUTION,11(20).
MLA	Li, Xin'e,et al."Shifts and plasticity of plant leaf mass per area and leaf size among slope aspects in a subalpine meadow".ECOLOGY AND EVOLUTION 11.20(2021).