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Restricting mutualistic partners to enforce trade reliance
Gregory A K Wyatt1, E Toby Kiers2, Andy Gardner3
1Department of Zoology, University of Oxford, South Parks Road, Oxford OX1 3PS, UK.
Nature Communications
|January 28, 2016
Summary
Cooperative species may restrict partners
Area of Science:
- Ecology
- Evolutionary Biology
- Behavioral Ecology
Background:
- Mutualisms involve species cooperating and trading resources.
- These cooperative interactions can be complex and face challenges.
Purpose of the Study:
- To explore how restricting a partner's resource access can benefit mutualistic interactions.
- To investigate the conditions under which such restriction is favored and its impact on fitness and cooperation.
Main Methods:
- Theoretical modeling of mutualistic interactions.
- Analysis of partner restriction strategies and their evolutionary consequences.
Main Results:
- Restriction can be favored if it increases the value of resources to the partner, improving trade terms.
- Restriction can maintain cooperation even when it would otherwise fail.
- The fitness effects of restriction on the restricted individual can vary (increase or decrease).
Conclusions:
- Partner restriction introduces a novel conflict within mutualisms.
- This conflict can paradoxically help maintain cooperation and resolve public goods dilemmas.
- The findings have implications for understanding plant-mycorrhizal fungi mutualisms.
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