干旱区生态环境知识资源中心(Arid): Status of Stipa breviflora as the constructive species will be lost under climate change in the temperate desert steppe in the future

Arid

DOI	10.1016/j.ecolind.2021.107715
	Status of Stipa breviflora as the constructive species will be lost under climate change in the temperate desert steppe in the future
	Lv, Guangyi; Wang, Zhanyi; Guo, Na; Xu, Xuebao; Liu, Pengbo; Wang, Chengjie
通讯作者	Wang, CJ (corresponding author), Inner Mongolia Agr Univ, Key Lab Grassland Resources,Minist Educ,Coll Gras, Inner Mongolia Key Lab Grassland Management & Uti, Minist Agr,Key Lab Forage Cultivat,Proc & High Ef, Hohhot 010011, Peoples R China.
来源期刊	ECOLOGICAL INDICATORS
ISSN	1470-160X
EISSN	1872-7034
出版年	2021
卷号	126
英文摘要	Climate change affects the structure and composition of a plant community and the stability and service functions of grassland ecosystems. However, the influence of warming, increased precipitation and their interaction on plant functional traits in the desert steppe are unclear. Therefore, after simulating warming (ambient temperature, warming 2?C and warming 4?C) and increasing precipitation (natural precipitation, precipitation increased by 25% and 50%) for 6 years, we measured the morphological characteristics, photosynthesis parameters, carbon (C) and nitrogen (N) contents of leaves of Stipa breviflora Griseb. (S. breviflora), a constructive species in the desert steppe. Results showed that both warming and increased precipitation reduced the importance value (IV) of S. breviflora, while the IV of annual herbs significantly increased (P < 0.05). Warming, increased precipitation and their interactions all improve the adaptability of S. breviflora functional traits and have a positive impact on its IV, which indicates that climate change is beneficial to the growth of S. breviflora. However, a structural equation model based on ANOVA analysis and correlation analysis showed that a sharp decrease in the density of S. breviflora due to warming was the main reason for decreasing its IV in our study (P < 0.05). Warming promotes intensified competition among species, and annual herbs have an advantage in the competition. Therefore, our research reveals the succession strategy of S. breviflora and provides a theoretical basis for studying the response mechanisms of desert steppe plant communities to climate change.
英文关键词	Climate change Desert steppe Stipa breviflora Importance value Plant functional traits
类型	Article
语种	英语
开放获取类型	gold
收录类别	SCI-E
WOS记录号	WOS:000647805200002
WOS关键词	PLANT COMMUNITY RESPONSES ; INNER-MONGOLIA ; PRECIPITATION VARIABILITY ; FUNCTIONAL TRAITS ; USE EFFICIENCY ; NITROGEN ; PHOTOSYNTHESIS ; GRASSLAND ; DYNAMICS ; DROUGHT
WOS类目	Biodiversity Conservation ; Environmental Sciences
WOS研究方向	Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/350006
作者单位	[Lv, Guangyi; Wang, Zhanyi; Guo, Na; Xu, Xuebao; Liu, Pengbo; Wang, Chengjie] Inner Mongolia Agr Univ, Key Lab Grassland Resources,Minist Educ,Coll Gras, Inner Mongolia Key Lab Grassland Management & Uti, Minist Agr,Key Lab Forage Cultivat,Proc & High Ef, Hohhot 010011, Peoples R China
推荐引用方式 GB/T 7714	Lv, Guangyi,Wang, Zhanyi,Guo, Na,et al. Status of Stipa breviflora as the constructive species will be lost under climate change in the temperate desert steppe in the future[J],2021,126.
APA	Lv, Guangyi,Wang, Zhanyi,Guo, Na,Xu, Xuebao,Liu, Pengbo,&Wang, Chengjie.(2021).Status of Stipa breviflora as the constructive species will be lost under climate change in the temperate desert steppe in the future.ECOLOGICAL INDICATORS,126.
MLA	Lv, Guangyi,et al."Status of Stipa breviflora as the constructive species will be lost under climate change in the temperate desert steppe in the future".ECOLOGICAL INDICATORS 126(2021).