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Data and code from: Life-history traits predict ability of British wild bees to fill their climate envelopes

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Sep 22, 2025 version files 21.56 KB
Oct 07, 2025 version files 21.66 KB

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Abstract

Understanding why species fail to occupy the full extent of their climatically suitable ranges is critical for predicting responses to climate change. We examined 64 species of British wild bees to test how life-history traits influence the ability to fill climate envelopes. Climate envelopes were defined from species distribution models, and range filling was quantified as the proportion of each envelope containing a presence record. We then assessed relationships with four traits: pollen foraging specialization (lecty), overwintering stage, body size, and habitat breadth. Our analyses reveal that larger-bodied, generalist species with broad habitat use filled a greater proportion of their climate envelopes than smaller, specialist species with narrower habitat requirements. Very few species, all common generalist species, fully occupied their potential climatic ranges, highlighting the role of non-climatic barriers such as dispersal limitations and resource availability. These findings suggest that climate change may drive homogenization of British bee communities, favoring widespread generalist species able to overcome barriers to dispersal. This dataset contains the species trait data, climate envelope estimates, and reproducible R code that underpin these analyses.