Bee Ecology and Community Dynamics

Bees are central agents of terrestrial pollination, mediating the reproduction of wild flora and crop species through intricate foraging behaviours and mutualistic relationships. Their communities are structured by a combination of floral resource availability, nesting habitat attributes, climatic variables and interspecific interactions, including competition and parasitism. Landscape composition and configuration, from agricultural fields to forest mosaics, govern dispersal dynamics, local extinction–colonisation processes and the assembly of species with varied life‐history traits. Functional traits such as body size, sociality and nesting mode shape species’ responses to habitat fragmentation, successional change and disturbance regimes. At broader scales, phylogenetic diversity and network architecture reflect historical biogeography and evolutionary lineage diversification. Anthropogenic pressures—land‐use intensification, habitat loss, climate change and altered disturbance regimes—are driving shifts in abundance, species richness and community composition, with cascading effects on ecosystem‐service provision and biodiversity resilience.

Research from Nature Portfolio

Recent studies have assembled a global dataset to quantify how bee communities respond to varying degrees of land‐use change and intensification. Analyses reveal strong regional differences in total abundance, species richness and Simpson’s diversity along gradients of agricultural pressure, highlighting that the sensitivity of bee taxa to land‐use practices is both geographically and taxonomically biased. Models built on data predominantly from Western Europe and North America may thus underestimate the uncertainty of global projections and the risk of unforeseen community collapse in underrepresented regions. This work underscores the necessity for geographically balanced and taxonomically inclusive sampling schemes to improve the predictive capacity of conservation models and inform policy development for pollinator management worldwide.

Bee Ecology and Community Dynamics publication trend

The graph below shows the total number of articles in bee ecology and community dynamics across all publications each year (not limited to Nature Index journals).

Technical terms

Species richness: The count of different species present in a community.

Functional diversity: The range of ecological traits and roles represented by species in a community.

Phylogenetic diversity: The extent of evolutionary history covered by the species in a community.

Nestedness: A network pattern where specialists interact with subsets of the partners of generalist species.

Modularity: The division of a network into relatively independent clusters or subcommunities.

Successional stage: A phase in vegetation development influencing habitat structure and resource distribution.

Land‐use intensification: The process by which human activities increase the intensity of resource exploitation, altering habitat quality and availability.

References

1. EuPPollNet: A European Database of Plant‐Pollinator Networks. Global Ecology and Biogeography (2025).
2. Predicting bee community responses to land-use changes: Effects of geographic and taxonomic biases. Scientific Reports (2016).
3. The bee tree of life: a supermatrix approach to apoid phylogeny and biogeography. BMC Ecology and Evolution (2013).
4. Linking life history traits to pollinator loss in fragmented calcareous grasslands. Landscape Ecology (2012).
5. Succession Influences Wild Bees in a Temperate Forest Landscape: The Value of Early Successional Stages in Naturally Regenerated and Planted Forests. PLOS ONE (2013).
6. Wild bee diversity increases with local fire severity in a fire‐prone landscape. Ecosphere (2019).