Do bees show response diversity to environmental variables in a montane ecosystem?

Abstract

With climate change threatening a wide variety of organisms and ecosystems, expanding our knowledge of how they will respond is vital for making predictions and conservation decisions. One important group of organisms impacted by climate change is the wild bees, which provide an essential ecosystem service through their role as plant pollinators. Therefore, in an effort to understand better how bees are responding to changing weather patterns, we examined how the abundances of different species changed with response to environmental variables. Additionally, we looked at the relationship between response diversity and environmental variables and bee traits. We sampled bees at three groups of sites at the Rocky Mountain Biological Lab in Gothic, CO, using pan traps and netting, and collected environmental data on yearly wind, precipitation, and temperature from nearby weather stations. Using generalized linear models we found that different species exhibited significant responses to different environmental variables. Additionally, most of the species that responded to a variable responded in the same direction. We employed a fourth corner analysis to find a correlation between traits and responses, but it produced no significant results.

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