The lead author of the study warned that many species could vanish forever.
February 7, 2020, 2:44 PMA new study has drawn a direct link between climate change and the global decline in bumblebee populations.and the global decline in the bumblebee populations, with scientists now warning that further declines can be expected as the planet continues to heat up.
The study, jointly authored by Peter Soroye and Jeremy Kerr from the University of Ottawa, and Tim Newbold from University College London, found that recent climate change, which has,"has driven stronger and more widespread bumblebee declines" than previously thought. The scientists used data over a 115-year time period to discover that survival rates of bumblebees in a given place has dropped by around a third.Long-term data analysis of 66 different species across North America and Europe revealed that the increasing frequency of hotter temperatures raises species’ risk of extinction locally and reduces the bumblebees’ chances of colonizing new areas.
The team could see the change in bumblebee populations by simulating"climate chaos" scenarios and observing where bumblebees currently are in relation to where they used to be. "We found that populations were disappearing in areas where the temperatures had gotten hotter," Soroye, the study’s lead author, said."If declines continue at this pace, many of these species could vanish forever within a few decades."
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