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Predicting biotic interactions and their variability in a changing environment.

Kohmei Kadowaki1, Claire G Barbera2, William Godsoe3

  • 1Graduate School of Human and Environmental Studies, Kyoto University, Kyoto, Japan Institut des Sciences de l'Evolution, UMR 5554, Université de Montpellier, CNRS, IRD, EPHE, CC 065, Place Eugène Bataillon, 34095 Montpellier Cedex 05, France kinokomushi@gmail.com.

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This summary is machine-generated.

Global environmental change impacts biodiversity. This study shows that how species interact (biotic interactions) changes with environment and species relatedness, affecting biodiversity predictions.

Keywords:
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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Microbiology

Background:

  • Global environmental change is altering biodiversity patterns worldwide.
  • Species distributions are influenced by abiotic factors and biotic interactions, constrained by phylogenetic history.
  • Current species distribution models often overlook the dynamic nature of biotic interactions in changing environments.

Purpose of the Study:

  • To investigate how biotic interactions vary across environmental gradients.
  • To determine if phylogenetic distance influences the variability of biotic interactions.
  • To highlight the importance of dynamic biotic interactions for predicting future biodiversity.

Main Methods:

  • Utilized bacterial microcosms to simulate environmental changes.
  • Observed species interactions along an environmental gradient.
  • Analyzed the relationship between phylogenetic distance and interaction variability.

Main Results:

  • Biotic interactions were found to vary significantly along the environmental gradient.
  • The variability of biotic interactions was dependent on the phylogenetic distance between interacting species.
  • Phylogenetically closer species exhibited different interaction patterns compared to more distant ones in novel environments.

Conclusions:

  • Biotic interactions are not static and change with environmental conditions.
  • Phylogenetic relatedness plays a crucial role in modulating how biotic interactions respond to environmental change.
  • Accurate biodiversity forecasting requires incorporating dynamic biotic interactions and their phylogenetic basis.