Ecosystem restoration through aerial seeding: Interacting plant–soil microbiome effects on soil multifunctionality,Land Degradation & Development

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Ecosystem restoration through aerial seeding: Interacting plant–soil microbiome effects on soil multifunctionality
Land Degradation & Development ( IF 4.7 ) Pub Date : 2021-09-29 , DOI: 10.1002/ldr.4112
Qingfu Liu _{1,

2,

3,

4} , Qing Zhang _{2,

5} , Scott Jarvie _{3,

4,

6} , Yongzhi Yan ₂ , Peng Han ₂ , Tao Liu ₇ , Kun Guo ₈ , Linjing Ren _{8,

9} , Kai Yue _{3,

4,

10} , Haiming Wu ₁₁ , Jingjing Du ₁₂ , Jianming Niu ₂ , Jens‐Christian Svenning _{3,

4}

Affiliation

Research Center of Forest Ecology, Forestry College Guizhou University Guiyang China
Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology, School of Ecology and Environment Inner Mongolia University Hohhot China
Section for Ecoinformatics and Biodiversity, Department of Biology Aarhus University Aarhus Denmark
Center for Biodiversity Dynamics in a Changing World (BIOCHANGE), Department of Biology Aarhus University Aarhus Denmark
Center for Land Studies Qufu Normal University Rizhao China
Otago Regional Council Dunedin New Zealand
State Key Laboratory of Coal Resources and Safe Mining, College of Geoscience and Surveying Engineering China University of Mining and Technology (Beijing) Beijing China
School of Ecological and Environmental Sciences East China Normal University Shanghai China
Applied Plant Ecology Institute of Plant Science and Microbiology, Universität Hamburg Hamburg Germany
Key Laboratory for Subtropical Mountain Ecology, School of Geographical Sciences Fujian Normal University Fuzhou China
Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science & Engineering Shandong University Qingdao China
School of Materials and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou China

Understanding the driving factors of soil multifunctionality is of great significance for the protection and restoration of degraded terrestrial ecosystems. However, the effects of above- and belowground factors are rarely evaluated simultaneously, and the driving mode of both factors on soil multifunctionality is not clear. Here, we evaluated the restoration of mobile dunes threatened by desertification through aerial seeding, that is, the sowing of seeds through aerial devices, from 1983 to 2015 in Mu Us Desert, China, using soil and plant data. The effect of aerial seeding on the restoration of soil multifunctionality, plant diversity, and soil microbial diversity in mobile dunes was significant, which was tested by loess regression. Further, the plant diversity becomes saturated in the later stages of restoration. The effect also leads to the restoration of soil multifunctionality lags behind plant and soil microorganisms. The factors (plant and soil microorganisms) driving soil multifunctionality is not a separate action or a joint action that test by structural equation models (SEMs), but that plants restore first and then indirectly drive soil multifunctionality through soil microorganisms during the restoration process. We also found that bacteria are the main direct indicators of soil multifunctionality, which was tested using Random forests modelling. This study highlights that plants indirectly drive soil multifunctionality through soil microorganisms, and soil microorganisms are key to elucidating the restoration mechanism and process.

更新日期：2021-09-29

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