On the controls of abundance for soil-dwelling organisms on the Tibetan Plateau
Zhao, Ke1,2; Jing, Xin1,2; Sanders, Nathan J.3; Chen, Litong4; Shi, Yu5; Flynn, Dan F. B.6; Wang, Yonghui1,2; Chu, Haiyan5; Liang, Wenju7; He, Jin-Sheng1,2,4
Source PublicationECOSPHERE
AbstractAfter decades of research, we are starting to understand more about why the number of species varies from place to place on the planet. However, little is known about spatial variation in abundance, especially for soil-dwelling organisms. In this study, we aimed to disentangle the relative influences of climatic factors, soil properties, and plant diversity on the abundance of soil-dwelling invertebrates (i.e., nematodes and soil arthropods) at 48 alpine grassland sites on the Tibetan Plateau. We found that the abundance of these two groups of soil organisms was negatively correlated with soil pH and temperature seasonality, and was positively correlated with soil organic carbon (SOC), mean annual precipitation, and plant species richness; there was no effect of mean annual temperature or seasonality in precipitation on the abundance of nematodes or soil-dwelling arthropods. When we considered only the nematodes, we found that soil pH, mean annual precipitation, temperature seasonality, and SOC were the best predictors of abundance. However, plant species richness was the best predictor of the abundance of soil-dwelling arthropods. Different orders within the arthropods responded differently to the suite of factors we examined. Taken together, our results suggest that increases in temperature alone might not alter the abundances of soil organisms in these alpine grasslands. Instead, altered precipitation regimes and increases in intra-annual variation in temperature, changes in plant community diversity, and the resulting changes in soil characteristics (e.g., pH and organic carbon) could reshape soil communities in the Tibetan grassland ecosystems, and likely elsewhere on the planet.
KeywordAlpine Grasslands Arthropod Belowground Community Climate Change Environmental Gradients Nematode Tibetan Plateau
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Funding OrganizationNational Basic Research Program of China(2014CB954004) ; National Natural Science Foundation of China(31570394 ; National Strategic Priority Research Program of the Chinese Academy of Sciences(XDA05050404) ; China Postdoctoral Science Foundation(2015M580918 ; U.S. National Science Foundation Dimensions of Biodiversity grant(NSF-1136703) ; Semper Ardens grant from Carlsberg ; Danish National Research Foundation ; 31630009 ; 2016T90012) ; 31600428)
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEcology
WOS IDWOS:000407654200004
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorHe, Jin-Sheng
Affiliation1.Peking Univ, Coll Urban & Environm Sci, Dept Ecol, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
2.Peking Univ, Key Lab Earth Surface Proc, Minist Educ, 5 Yiheyuan Rd, Beijing 100871, Peoples R China
3.Univ Vermont, Rubenstein Sch Environm & Nat Resources, Burlington, VT 05405 USA
4.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, 23 Xinning Rd, Xining 810008, Qinghai, Peoples R China
5.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China
6.Harvard Univ, Arnold Arboretum, 1300 Ctr St, Boston, MA 02131 USA
7.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Ke,Jing, Xin,Sanders, Nathan J.,et al. On the controls of abundance for soil-dwelling organisms on the Tibetan Plateau[J]. ECOSPHERE,2017,8(7).
APA Zhao, Ke.,Jing, Xin.,Sanders, Nathan J..,Chen, Litong.,Shi, Yu.,...&He, Jin-Sheng.(2017).On the controls of abundance for soil-dwelling organisms on the Tibetan Plateau.ECOSPHERE,8(7).
MLA Zhao, Ke,et al."On the controls of abundance for soil-dwelling organisms on the Tibetan Plateau".ECOSPHERE 8.7(2017).
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