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Deciphering the Interdependence between Ecological and Evolutionary Networks.

Carlos J Melián1, Blake Matthews2, Cecilia S de Andreazzi3

  • 1Fish Ecology and Evolution Department, Center for Ecology, Evolution and Biogeochemistry, Eawag, Swiss Federal Institute of Aquatic Science and Technology, Switzerland.

Trends in Ecology & Evolution
|May 29, 2018
PubMed
Summary
This summary is machine-generated.

We integrated ecological and evolutionary processes in hierarchical biological networks to understand how gene networks influence predator-prey dynamics and ecosystem stability. This approach reveals how complex traits affect interdependencies across biological levels.

Keywords:
Complex traitEpistasisFood websGene interaction networksInteraction strengthMeta-ecosystemsMetacommunityPleiotropy

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Area of Science:

  • Ecology
  • Evolutionary Biology
  • Network Science

Background:

  • Biological systems exhibit complex interactions across hierarchical levels, from genes to ecosystems.
  • Interactions among genes, individuals, and species shape population, community, and ecosystem dynamics.
  • Hierarchical networks can display complex dynamics due to interdependencies between levels.

Purpose of the Study:

  • To integrate ecological and evolutionary processes within hierarchical network frameworks.
  • To explore interdependencies within biological systems across multiple organizational levels.
  • To investigate how gene networks, trait variation, and predator-prey dynamics influence ecosystem stability.

Main Methods:

  • Developing a hierarchical network model connecting gene networks to food webs.
  • Linking gene networks to predator-prey trait distributions.
  • Analyzing interdependencies between genetic, individual, and species interaction levels.

Main Results:

  • Demonstrated how gene networks underlying trait variation influence food web structure and dynamics.
  • Identified mechanisms by which intraspecific trait variation impacts meta-ecosystem stability.
  • Showcased the interconnectedness of ecological and evolutionary processes in hierarchical systems.

Conclusions:

  • Integrating ecological and evolutionary dynamics in hierarchical networks provides novel insights into biological system complexity.
  • Understanding trait variation at the genetic level is crucial for predicting ecosystem stability.
  • The proposed framework advances the study of interdependencies in biological systems.