Synthesis: Foraging decisions link plants, herbivores and human beings

Summary

This synthesis paper integrates research on how herbivore foraging decisions are shaped by plant chemistry, internal physiological states, and environmental context, spanning from in utero development through lifetime choices. The authors argue that understanding these multi-level mechanisms—from molecular interactions between plant compounds and animal cells to landscape-scale meal patterning—is essential for managing livestock in ways that benefit both ecological and human outcomes. The paper proposes a framework addressing plant–herbivore physiological interactions, foraging behaviour dynamics, human management strategies, and integrative models to guide future research.

Regional applicability

Although the paper does not focus on a specific geographic location, its principles of foraging behaviour and pastoral landscape management are broadly applicable to United Kingdom sheep and cattle farming systems. The emphasis on ecologically sensitive grazing management aligns with UK policy interests in sustainable intensification and payment schemes for environmental stewardship.

Key measures

Foraging behaviour patterns, food selection decisions, meal dynamics, interactions between plant phytochemicals and animal physiology

Outcomes reported

This synthesis reviews how herbivores make foraging decisions based on plant chemistry and physiological needs, and how these decisions manifest across temporal and spatial scales. It synthesises emerging understanding of the mechanisms linking plant compounds with animal food selection and proposes implications for livestock management to benefit landscapes and human welfare.

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