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

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

  • Ting Tang
  • Naili Zhang
  • Franca J. Bongers
  • Michael Staab
  • Andreas Schuldt
  • Felix Fornoff
  • Hong Lin
  • Jeannine Cavender-Bares
  • Andrew L. Hipp
  • Shan Li
  • Yu Liang
  • Baocai Han
  • Alexandra Maria Klein
  • Helge Bruelheide
  • Walter Durka
  • Bernhard Schmid
  • Keping Ma
  • Xiaojuan Liu

Addressing global biodiversity loss requires an expanded focus on multiple dimensions of biodiversity. While most studies have focused on the consequences of plant interspecific diversityour 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 on tree productivity, 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 margin-ally 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.

Original languageEnglish
Article numbere78703
JournaleLife
Volume11
Number of pages26
ISSN2050-084X
DOIs
Publication statusPublished - 11.2022
Externally publishedYes

Bibliographical note

Publisher Copyright:
© Tang, Zhang et al.

DOI

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