Integrating animal behaviour into research on multiple environmental stressors: a conceptual framework
Laura K Lopez1,2, Michael A Gil1,3, Philip H Crowley4
1Department of Environmental Science & Policy, University of California, 2132 Wickson Hall, One Shields Avenue, Davis, CA, 95616, USA.
Summary
Understanding how animal behavior influences responses to multiple environmental stressors is crucial. This study proposes a framework linking behavior, energy allocation, and life-history trade-offs to predict fitness outcomes under stress.
Area of Science:
- Ecology
- Animal Behavior
- Environmental Science
Background:
- Extensive research exists on physiological impacts of multiple environmental stressors.
- The mediating role of behavioral and life-history plasticity in these effects is less understood.
- Behavioral plasticity can directly influence organismal responses and modulate physiological reactions to stressors.
Purpose of the Study:
- To present a conceptual framework linking animal behavior to life-history energy allocation pathways.
- To explore how four fundamental trade-offs shape the fitness consequences of multiple stressors.
- To highlight the importance of behavior in understanding stressor effects and ecological outcomes.
Main Methods:
- Conceptual framework development.
- Identification of four key trade-offs: behavioral mediation of stressor conflicts, energy acquisition trade-offs, energy allocation between life-history and stress responses, and movement/dormancy strategies.
- Integration of these trade-offs to predict fitness and ecological outcomes.
Main Results:
- Behavioral plasticity can mediate or drive conflicts between multiple stressors and physiological responses.
- Three additional understudied trade-offs related to energy acquisition, allocation, and escape strategies are identified.
- These trade-offs interactively influence organismal fitness and broader ecological consequences.
Conclusions:
- Explicitly incorporating animal behavior into stressor research enhances mechanistic understanding.
- Behavioral frameworks can explain context-dependent effects of multiple stressors.
- This approach identifies key areas for future empirical and theoretical investigations in stress ecology.
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