Urban features filter bee communities toward specific functional traits
In short: A review of pollinator research found that urban environments act as a filter for bee communities. The interacting local and landscape features of cities tend to favor certain traits, leading to reduced phylogenetic diversity and a homogenization of functional traits within urban pollinator populations.
The review suggests that urban landscapes favor bees with specific characteristics, such as those with polylectic diets, cavity-nesting behaviors, and later emergence patterns. This process can leave specialist species underrepresented.
By reviewing existing evidence, the authors highlight that optimizing scattered green spaces like parks and gardens is essential to support vulnerable species and increase urban biodiversity.
Why it matters: Optimizing urban green spaces is essential to support vulnerable specialist bee species.
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Sources
- Source: Research: Ayers and Rehan (2021). Supporting Bees in Cities: How Bees Are Influenced by Local and Landscape Features. Insects. · cc-by
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