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Critical Transitions in Plant-Pollinator Systems Induced by Positive Inbreeding-Reward-Pollinator Feedbacks by Huang, Heng; D'Odorico, Paolo is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Summary In many regions of the world pollinator populations are rapidly declining, a trend that is expected to disrupt major ecosystem functions and services. These changes in pollinator abundance may be prone to critical transitions with abrupt shifts to a state strongly depleted both in pollinator and vegetation abundance. Here we develop a process-based model to investigate the effect of a positive pollinator-vegetation feedback, whereby an initial decline in plant density increases selfing thereby reducing floral resources and negatively affecting pollinators. We show that a decline in resource availability and an increase in disturbance intensity can induce an abrupt shift in vegetation and pollinator dynamics and potentially lead to the collapse of plant-pollinator systems. Thus, endogenous feedbacks can induce strong non-linearities in plant-pollinator dynamics, making them vulnerable to critical transitions to a state depleted of both plants and pollinators in response to resource deficiency and natural or anthropogenic disturbance.

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Author

Huang, Heng; D'Odorico, Paolo

Publisher

Elsevier ; Elsevier Inc.; [Cambridge MA]: Cell Press Elsevier Inc.; Elsevier BV (ISSN 2589-0042)

Published

2020

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)