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DOI	10.1111/1365-2435.13875
	Functional diversity response to geographic and experimental precipitation gradients varies with plant community type
	Zuo, Xiaoan; Zhao, Shenglong; Cheng, Huan; Hu, Ya; Wang, Shaokun; Yue, Ping; Liu, Rentao; Knapp, Alan K.; Smith, Melinda D.; Yu, Qiang; Koerner, Sally E.
通讯作者	Yu, Q (通讯作者)，Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Natl Hulunber Grassland Ecosyst Observat & Res St, Beijing, Peoples R China.
发表日期	2021
ISSN	0269-8463
EISSN	1365-2435
起始页码	2119
结束页码	2132
卷号	35 期号:9
英文摘要	Precipitation is a primary determinant of plant community structure in drylands. However, the empirical evidence and predictions are lacking for how plant functional diversity in desert and steppe communities respond to altered precipitation regimes. We examined how precipitation changes along the natural and experimental gradients affect different components of functional diversity in desert-shrub and steppe-grass communities. We compared the associations of precipitation changes with community-weighted means (CWMs) of six traits, functional divergence (FDvar) of each single-trait and multi-trait functional richness (FRic) and dispersion (FDis) for shrub and grass communities along the natural and experimental gradients. We also disentangle the roles of species turnover and intraspecific variations in affecting the responses of different functional diversity to precipitation changes. We found that in general, the similar responses of functional traits or diversity to both the natural and experimental precipitation gradients were dependent on plant community type. Across both two gradients, precipitation was positively associated with CWM of plant height and negatively associated with the CWM of SLA and leaf thickness in grass community, while positively associated with FDvar of four traits and FDis in shrub communities. Both species turnover and intraspecific variations contributed to the responses of grass community traits to precipitation changes across both two gradients, and to FDvar of traits and FDis in shrub community along the natural gradient. In contrast, species turnover variations contributed to FDvar of traits and FDis in shrub community in experiment. These results suggest that there is better concordance between the effects of naturally and experimentally increased precipitation on functional diversity of plant communities, but different mechanisms behind the relationship of functional diversity-precipitation between shrub and grass communities. Grass communities can adapt to precipitation changes by average trait differences, while shrub communities persist through FDvar of single-trait and multi-trait dispersion, thus highlighting the important differences in adaptive strategies between shrub and grass communities. Our findings demonstrate that short-term responses of plant communities to manipulative precipitation changes can reflect long-term shifts at spatial scales depending on the specific functional trait and diversity. A free Plain Language Summary can be found within the Supporting Information of this article.
关键词	INNER-MONGOLIA INTRASPECIFIC VARIATION ARIDITY GRADIENT TRAIT RESPONSES DROUGHT GRASSLAND ECOSYSTEM DESERT SHRUB VARIABILITY
英文关键词	adaptive strategy; community traits; extreme climate; functional divergence; functional diversity; precipitation changes
语种	英语
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Ecology
WOS记录号	WOS:000675180900001
来源期刊	FUNCTIONAL ECOLOGY
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/254875
作者单位	[Zuo, Xiaoan; Zhao, Shenglong; Hu, Ya; Wang, Shaokun; Yue, Ping] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Urat Desert Grassland Res Stn, Lanzhou, Peoples R China; [Zuo, Xiaoan] Key Lab Stress Physiol & Ecol, Lanzhou, Gansu, Peoples R China; [Zuo, Xiaoan] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Naiman Desertificat Res Stn, Lanzhou, Peoples R China; [Cheng, Huan] Sichuan Agr Univ, Coll Forestry, Chengdu, Peoples R China; [Liu, Rentao] Ningxia Univ, Key Lab Restorat & Reconstruct Degraded Ecosyst N, Minist Educ, Yinchuan, Ningxia, Peoples R China; [Knapp, Alan K.; Smith, Melinda D.] Colorado State Univ, Dept Biol, Ft Collins, CO 80523 USA; [Yu, Qiang] Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Natl Hulunber Grassland Ecosyst Observat & Res St, Beijing, Peoples R China; [Koerner, Sally E.] Univ North Carolina Greensboro, Dept Biol, Greensboro, NC USA
推荐引用方式 GB/T 7714	Zuo, Xiaoan,Zhao, Shenglong,Cheng, Huan,et al. Functional diversity response to geographic and experimental precipitation gradients varies with plant community type[J]. 中国科学院西北生态环境资源研究院,2021,35(9).
APA	Zuo, Xiaoan.,Zhao, Shenglong.,Cheng, Huan.,Hu, Ya.,Wang, Shaokun.,...&Koerner, Sally E..(2021).Functional diversity response to geographic and experimental precipitation gradients varies with plant community type.FUNCTIONAL ECOLOGY,35(9).
MLA	Zuo, Xiaoan,et al."Functional diversity response to geographic and experimental precipitation gradients varies with plant community type".FUNCTIONAL ECOLOGY 35.9(2021).