Consistent stabilizing effects of plant diversity across spatial scales and climatic gradients

Maowei Liang, Benjamin Baiser, Lauren M Hallett, Yann Hautier, Lin Jiang, Michel Loreau, Sydne Record, Eric R Sokol, Phoebe L Zarnetske, Shaopeng Wang*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Biodiversity has widely been documented to enhance local community stability but whether such stabilizing effects of biodiversity extend to broader scales remains elusive. Here, we investigated the relationships between biodiversity and community stability in natural plant communities from quadrat (1 m 2) to plot (400 m 2) and regional (5-214 km 2) scales and across broad climatic conditions, using an extensive plant community dataset from the National Ecological Observatory Network. We found that plant diversity provided consistent stabilizing effects on total community abundance across three nested spatial scales and climatic gradients. The strength of the stabilizing effects of biodiversity increased modestly with spatial scale and decreased as precipitation seasonality increased. Our findings illustrate the generality of diversity-stability theory across scales and climatic gradients, which provides a robust framework for understanding ecosystem responses to biodiversity and climate changes.

Original languageEnglish
Pages (from-to)1669-1675
Number of pages7
JournalNature Ecology and Evolution
Volume6
Issue number11
Early online date19 Sept 2022
DOIs
Publication statusPublished - Nov 2022

Keywords

  • Climate Change
  • Ecosystem
  • Plants
  • Biodiversity

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