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Environmental filtering rather than phylogeny determines plant leaf size in three floristically distinctive plateaus
Ren, Tingting1,2; He, Nianpeng2,3,4; Liu, Zhaogang2,3; Li, Mingxu3; Zhang, Jiahui2,3; Li, Ang1; Wei, Cunzheng1; Lu, Xiaotao5; Han, Xingguo1,2
2021-11-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume130Pages:9
Corresponding AuthorHe, Nianpeng(henp@igsnrr.ac.cn) ; Han, Xingguo(xghan@ibcas.ac.cn)
AbstractLeaf is essential for plant growth and development; however, the relative importance of environmental filtering and phylogeny in determining leaf size across different spatial scales in grassland ecosystems remains poorly explored. We used transect methodology to explore the spatial variation in leaf size and its underlying mechanisms in grasslands along three topographically and floristically distinctive plateaus in northern China. We measured leaf size of a total of 1192 grassland species in the Tibetan Plateau (TP, temperature limited), Loess Plateau (LP, soil-nutrient limited), and Mongolia Plateau (MP, precipitation limited) along three transects encompassing meadow, typical, and desert steppes. Leaf size ranged from 0.01 to 258.16 cm2, with an average of 5.54 cm2. The smallest leaves were measured in the TP. At the vegetation association level, the largest leaves were present in the meadow steppe, followed by those in typical and desert steppes, irrespective of the plateau. Unexpectedly, phylogeny had a negligible effect on the spatial variation in leaf size in the grasslands. Leaf size was positively correlated with growing-season temperature and precipitation but negatively correlated with ultraviolet (UV) radiation, suggesting that environmental filtering plays a more important role in affecting leaf size than phylogeny. Furthermore, leaf size in the TP and MP was mainly affected by precipitation and UV radiation, respectively, whereas that in the LP was affected by temperature, precipitation, soil nutrients and UV light. Specifically, our results underscored the importance of environmental filtering rather than phylogeny in determining plant leaf size and shed light on the unexpected role of UV radiation in contributing to leaf size variations in these plateaus. Our study provides novel insights into the response of plants to global change, especially in plateaus, alpine zone, and high-latitude areas.
KeywordAdaption Grassland Phylogeny Plateau Trait Plant-climate interactions
DOI10.1016/j.ecolind.2021.108049
WOS KeywordUV-B RADIATION ; ULTRAVIOLET-RADIATION ; FUNCTIONAL TRAITS ; CLIMATE-CHANGE ; PHENOTYPIC PLASTICITY ; EVOLUTIONARY HISTORY ; ARIDITY GRADIENT ; PATTERNS ; AREA ; PRECIPITATION
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFA0604803] ; second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK060602] ; National Natural Science Foundation of China[3191101545] ; National Natural Science Foundation of China[31988102] ; National Natural Science Foundation of China[31870437]
Funding OrganizationNational Key R&D Program of China ; second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Natural Science Foundation of China
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000692256500001
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/165286
Collection中国科学院地理科学与资源研究所
Corresponding AuthorHe, Nianpeng; Han, Xingguo
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.Northeast Normal Univ, Key Lab Vegetat Ecol, Minist Educ, Changchun 130024, Peoples R China
5.Chinese Acad Sci, Inst Appl Ecol, CAS Key Lab Forest Ecol & Management, Erguna Forest Steppe Ecotone Res Stn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Ren, Tingting,He, Nianpeng,Liu, Zhaogang,et al. Environmental filtering rather than phylogeny determines plant leaf size in three floristically distinctive plateaus[J]. ECOLOGICAL INDICATORS,2021,130:9.
APA Ren, Tingting.,He, Nianpeng.,Liu, Zhaogang.,Li, Mingxu.,Zhang, Jiahui.,...&Han, Xingguo.(2021).Environmental filtering rather than phylogeny determines plant leaf size in three floristically distinctive plateaus.ECOLOGICAL INDICATORS,130,9.
MLA Ren, Tingting,et al."Environmental filtering rather than phylogeny determines plant leaf size in three floristically distinctive plateaus".ECOLOGICAL INDICATORS 130(2021):9.
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