Tree species and genetic diversity increase productivity via functional diversity and trophic feedbacks

2022 | journal article. A publication with affiliation to the University of Göttingen.

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​Tree species and genetic diversity increase productivity via functional diversity and trophic feedbacks​
Tang, T.; Zhang, N.; Bongers, F. J.; Staab, M.; Schuldt, A. ; Fornoff, F. & Lin, H. et al.​ (2022) 
eLife11 art. e78703​.​ DOI: https://doi.org/10.7554/eLife.78703 

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Authors
Tang, Ting; Zhang, Naili; Bongers, Franca J.; Staab, Michael; Schuldt, Andreas ; Fornoff, Felix; Lin, Hong; Cavender-Bares, Jeannine; Hipp, Andrew L.; Li, Shan; Liu, Xiaojuan
Abstract
Addressing global biodiversity loss requires an expanded focus on multiple dimensions of biodiversity. While most studies have focused on the consequences of plant interspecific diversity, our mechanistic understanding of how genetic diversity within plant species affects plant productivity remains limited. Here, we use a tree species × genetic diversity experiment to disentangle the effects of species diversity and genetic diversity, and how they are related to tree functional diversity and trophic feedbacks. We found that tree species diversity increased tree productivity via increased tree functional diversity, reduced soil fungal diversity and marginally reduced herbivory. The effects of tree genetic diversity on productivity via functional diversity and soil fungal diversity were negative in monocultures but positive in the mixture of the four tree species tested. Given the complexity of interactions between species and genetic diversity, tree functional diversity and trophic feedbacks on productivity, we suggest that both tree species and genetic diversity should be considered in afforestation.
Issue Date
2022
Journal
eLife 
Organization
Fakultät für Forstwissenschaften und Waldökologie ; Burckhardt-Institut ; Abteilung Waldnaturschutz 
eISSN
2050-084X
Language
English
Sponsor
National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809
Strategic Priority Research Program of the Chinese Academy of Sciences
National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809
Younth Innovation Promotion Association CAS

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