The importance of competition between insect pollinators in the Anthropocene

Current Opinion in Insect Science
Diane M Thomson, Maureen L Page

Abstract

Resource competition likely plays an important role in some insect pollinator declines and in shaping effects of environmental change on pollination services. Past research supports that competition for floral resources affects bee foragers, but mostly with observational evidence and rarely linking foraging with population change. An increasing number of studies ask whether resources limit pollinator populations, using field measurements of reproductive success, time series and models. Findings generally support positive effects of floral resources, but also highlight the potential importance of nest site availability and parasitism. In parallel, recent experiments strengthen evidence that competition reduces access to floral resources. Developing common currencies for quantifying floral resources and integrating analyses of multiple limiting factors will further strengthen our understanding of competitive interactions and their effects in the Anthropocene.

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Citations

May 21, 2020·Proceedings. Biological Sciences·Toby DoyleKarl R Wotton
Jan 26, 2021·Environmental Entomology·Zoe A PritchardAmy L Toth
Feb 5, 2021·Current Opinion in Insect Science·Laura RussoJames Scott MacIvor

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