气候变化领域集成服务门户(CCPortal): Plant diversity increases spatial stability of aboveground productivity in alpine grasslands

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DOI	10.1007/s00442-024-05552-9
	Plant diversity increases spatial stability of aboveground productivity in alpine grasslands
	Cui, Zeng; Sun, Jian; Wu, Gao-Lin
发表日期	2024
ISSN	0029-8549
EISSN	1432-1939
起始页码	205
结束页码	1
卷号	205 期号:1
英文摘要	Plant diversity can significantly affect the grassland productivity and its stability. However, it remains unclear how plant diversity affects the spatial stability of natural grassland productivity, especially in alpine regions that are sensitive to climate change. We analyzed the interaction between plant (species richness and productivity, etc.) and climatic factors (precipitation, temperature, and moisture index, etc.) of alpine natural grassland on the Qinghai-Tibetan Plateau. In addition, we tested the relationship between plant diversity and spatial stability of grassland productivity. Results showed that an increase in plant diversity significantly enhanced community productivity and its standard deviation, while reducing the coefficient of variation in productivity. The influence of plant diversity on productivity and the reciprocal of productivity variability coefficient was not affected by vegetation types. The absolute values of the regression slopes between climate factors and productivity in alpine meadow communities with higher plant diversity were smaller than those in alpine meadow communities with lower plant diversity. In other words, alpine meadow communities with higher plant diversity exhibited a weaker response to climatic factors in terms of productivity, whereas those with lower plant diversity showed a stronger response. Our results indicate that high plant diversity buffers the impact of ambient pressure (e.g., precipitation, temperature) on alpine meadow productivity, and significantly enhanced the spatial stability of grassland productivity. This finding provides a theoretical basis for maintaining the stability of grassland ecosystems and scientifically managing alpine grasslands under the continuous climate change.
英文关键词	Alpine grassland; Community productivity; Precipitation; Plant diversity; Spatial stability
语种	英语
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Ecology
WOS记录号	WOS:001207060700001
来源期刊	OECOLOGIA
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/309834
作者单位	Northwest A&F University - China; Chinese Academy of Sciences; Institute of Soil & Water Conservation (ISWC), CAS; Chinese Academy of Sciences; Institute of Soil & Water Conservation (ISWC), CAS; Ministry of Water Resources; Chinese Academy of Sciences; Institute of Tibetan Plateau Research, CAS
推荐引用方式 GB/T 7714	Cui, Zeng,Sun, Jian,Wu, Gao-Lin. Plant diversity increases spatial stability of aboveground productivity in alpine grasslands[J]. 中国科学院青藏高原研究所,2024,205(1).
APA	Cui, Zeng,Sun, Jian,&Wu, Gao-Lin.(2024).Plant diversity increases spatial stability of aboveground productivity in alpine grasslands.OECOLOGIA,205(1).
MLA	Cui, Zeng,et al."Plant diversity increases spatial stability of aboveground productivity in alpine grasslands".OECOLOGIA 205.1(2024).