气候变化领域集成服务门户(CCPortal): Plant mixture balances terrestrial ecosystem C:N:P stoichiometry

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DOI	10.1038/s41467-021-24889-w
	Plant mixture balances terrestrial ecosystem C:N:P stoichiometry
	Chen X.; Chen H.Y.H.
发表日期	2021
ISSN	2041-1723
卷号	12 期号:1
英文摘要	Plant and soil C:N:P ratios are of critical importance to productivity, food-web dynamics, and nutrient cycling in terrestrial ecosystems worldwide. Plant diversity continues to decline globally; however, its influence on terrestrial C:N:P ratios remains uncertain. By conducting a global meta-analysis of 2049 paired observations in plant species mixtures and monocultures from 169 sites, we show that, on average across all observations, the C:N:P ratios of plants, soils, soil microbial biomass and enzymes did not respond to species mixture nor to the species richness in mixtures. However, the mixture effect on soil microbial biomass C:N changed from positive to negative, and those on soil enzyme C:N and C:P shifted from negative to positive with increasing functional diversity in mixtures. Importantly, species mixture increased the C:N, C:P, N:P ratios of plants and soils when background soil C:N, C:P, and N:P were low, but decreased them when the respective background ratios were high. Our results demonstrate that plant mixtures can balance terrestrial plant and soil C:N:P ratios dependent on background soil C:N:P. Our findings highlight that plant diversity conservation does not only increase plant productivity, but also optimizes ecosystem stoichiometry for the diversity and productivity of today’s and future vegetation. © 2021, The Author(s).
语种	英语
scopus关键词	biomass; enzyme; enzyme activity; nutrient cycling; plant; species richness; stoichiometry; terrestrial ecosystem; article; controlled study; human; meta analysis; microbial biomass; monoculture; plant yield; productivity; soil; species richness; stoichiometry; vegetation; biodiversity; biomass; chemistry; ecosystem; microbiology; plant; carbon; nitrogen; phosphorus; Biodiversity; Biomass; Carbon; Ecosystem; Nitrogen; Phosphorus; Plants; Soil; Soil Microbiology
来源期刊	Nature Communications
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/251376
作者单位	Faculty of Natural Resources Management, Lakehead University, Thunder Bay, ON, Canada
推荐引用方式 GB/T 7714	Chen X.,Chen H.Y.H.. Plant mixture balances terrestrial ecosystem C:N:P stoichiometry[J],2021,12(1).
APA	Chen X.,&Chen H.Y.H..(2021).Plant mixture balances terrestrial ecosystem C:N:P stoichiometry.Nature Communications,12(1).
MLA	Chen X.,et al."Plant mixture balances terrestrial ecosystem C:N:P stoichiometry".Nature Communications 12.1(2021).