Plant diversity enhances productivity and soil carbon storage
Chen, Shiping1; Wang, Wantong2; Xu, Wenting1; Wang, Yang1; Wan, Hongwei1; Chen, Dima1; Tang, Zhiyao3; Tang, Xuli2; Zhou, Guoyi2; Xie, Zongqiang; Zhou, Daowei4; Shangguan, Zhouping5; Huang, Jianhui; He, Jin-Sheng3,6; Wang, Yanfen7; Sheng, Jiandong8; Tang, Lisong9; Li, Xinrong10; Dong, Ming11; Wu, Yan12; Wang, Qiufeng13; Wang, Zhiheng3; Wu, Jianguo14,15; Chapin, F. Stuart, III16; Bai, Yongfei1
AbstractDespite 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.
KeywordSoil Carbon Storage Species Richness Aboveground Net Primary Productivity Belowground Biomass Human Disturbance
WOS HeadingsScience & Technology
Indexed BySCI
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences(XDA05050000) ; National Natural Science Foundation of China(31630010 ; 31320103916)
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000430191900042
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.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
11.Hangzhou Normal Univ, Coll Life & Environm Sci, Key Lab Hangzhou City Ecosyst Protect & Restor, Hangzhou 310036, Zhejiang, Peoples R China
12.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Sichuan, Peoples R China
13.Chinese Acad Sci, Synthesis Res Ctr Chinese Ecosyst Res Network, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
14.Arizona State Univ, Sch Life Sci & Sch Sustainabil, Tempe, AZ 85287 USA
15.Beijing Normal Univ, Ctr Human Environm Syst Sustainabil, State Key Lab Earth Surface Proc Resource Ecol, Beijing 100875, Peoples R China
16.Univ Alaska, Inst Arctic Biol, Fairbanks, AK 99775 USA
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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.
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