Plant diversity enhances productivity and soil carbon storage

doi:10.1073/pnas.1700298114

	Plant diversity enhances productivity and soil carbon storage
	Chen, Shiping 1; Wang, Wantong 2; Xu, Wenting 1; Wang, Yang 1; Wan, Hongwei 1; Chen, Dima 1; Tang, Zhiyao 3; Tang, Xuli 2; Zhou, Guoyi 2; Xie, Zongqiang
刊名	PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
	2018-04-17
卷号	115 期号:16 页码:4027-4032
关键词	soil carbon storage species richness aboveground net primary productivity belowground biomass human disturbance
ISSN号	0027-8424
DOI	10.1073/pnas.1700298114
通讯作者	Bai, Yongfei(yfbai@ibcas.ac.cn)
英文摘要	Despite evidence from experimental grasslands that plant diversity increases biomass production and soil organic carbon (SOC) storage, it remains unclear whether this is true in natural ecosystems, especially under climatic variations and human disturbances. Based on field observations from 6,098 forest, shrubland, and grassland sites across China and predictions from an integrative model combining multiple theories, we systematically examined the direct effects of climate, soils, and human impacts on SOC storage versus the indirect effects mediated by species richness (SR), aboveground net primary productivity (ANPP), and belowground biomass (BB). We found that favorable climates (high temperature and precipitation) had a consistent negative effect on SOC storage in forests and shrublands, but not in grasslands. Climate favorability, particularly high precipitation, was associated with both higher SR and higher BB, which had consistent positive effects on SOC storage, thus offsetting the direct negative effect of favorable climate on SOC. The indirect effects of climate on SOC storage depended on the relationships of SR with ANPP and BB, which were consistently positive in all biome types. In addition, human disturbance and soil pH had both direct and indirect effects on SOC storage, with the indirect effects mediated by changes in SR, ANPP, and BB. High soil pH had a consistently negative effect on SOC storage. Our findings have important implications for improving global carbon cycling models and ecosystem management: Maintaining high levels of diversity can enhance soil carbon sequestration and help sustain the benefits of plant diversity and productivity.
资助项目	Strategic Priority Research Program of the Chinese Academy of Sciences[XDA05050000] ; National Natural Science Foundation of China[31630010] ; National Natural Science Foundation of China[31320103916]
WOS关键词	NITROGEN DEPOSITION ; ECOSYSTEM PRODUCTIVITY ; SPECIES RICHNESS ; ORGANIC-CARBON ; CLIMATE-CHANGE ; SEQUESTRATION ; BIODIVERSITY ; GRASSLANDS ; CHINA ; TERRESTRIAL
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATL ACAD SCIENCES
WOS记录号	WOS:000430191900042
资助机构	Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/49141]
专题	中国科学院地理科学与资源研究所
通讯作者	Bai, Yongfei
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Chinese Acad Sci, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China 3.Peking Univ, Coll Urban & Environm Sci, Beijing 100871, Peoples R China 4.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130012, Jilin, Peoples R China 5.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China 6.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Qinghai, Peoples R China 7.Univ Chinese Acad Sci, Coll Life Sci, Beijing 100049, Peoples R China 8.Xinjiang Agr Univ, Coll Grassland & Environm Sci, Key Lab Soil & Plant Ecol Proc, Urumqi 830052, Peoples R China 9.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China 10.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Stress Physiol & Ecol Cold & Arid Reg, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Chen, Shiping,Wang, Wantong,Xu, Wenting,et al. Plant diversity enhances productivity and soil carbon storage[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2018,115(16):4027-4032.
APA	Chen, Shiping.,Wang, Wantong.,Xu, Wenting.,Wang, Yang.,Wan, Hongwei.,...&Bai, Yongfei.(2018).Plant diversity enhances productivity and soil carbon storage.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,115(16),4027-4032.
MLA	Chen, Shiping,et al."Plant diversity enhances productivity and soil carbon storage".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.16(2018):4027-4032.