EEB Seminar Dec 3rd

Climate change and land use change impacts on pollinators

Presented by Peter Soroye

Dec 3rd 12:30 – 1:30 PM ET

(email for Zoom link)

Pollinators, including bumblebees (Bombus), are declining in range size and abundance across their ranges across North America and Europe, linked in large part to rapid recent climate change and changes in human land use. Niche theory and physiology suggest that species’ physiological limits might define whether they persist in some areas and may help to inform predictions on climate change effects. Using a spatially explicit index for calculating species’ exposure to thermal and precipitation limits across their ranges and a comprehensive occurrence dataset of North American and European bumblebee species, we test whether a species’ or communities’ proximity to thermal or precipitation tolerance limits predicts local extinction, colonization, occupancy, and species richness change, and how these climate change-related biodiversity responses interact with changing land use.

Peter Soroye is a PhD Student in Biology working with Prof Jeremy Kerr at the University of Ottawa. Peter is a conservation biologist studying the impacts of climate change and land use change on biodiversity across the globe, with the goal of informing conservation management and policy to find more effective ways of protecting species and reversing declines of biodiversity. In February 2020, Peter published the first chapter of his PhD research in the journal Science, which was focused on a novel mechanism for predicting climate change related extinction risk in bumblebees.

For more info on Peter, visit his website:

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