Simple Summary Cities are complex ecosystems that, while generally contributing to an
overall reduction in biodiversity, can support surprisingly unique communities of organisms …

Urban areas are hot spots that drive environmental change at multiple scales. Material
demands of production and human consumption alter land use and cover, biodiversity, and …

Insect pollinators provide a crucial ecosystem service, but are under threat. Urban areas
could be important for pollinators, though their value relative to other habitats is poorly …

Background Wild bees are important pollinators that have declined in diversity and
abundance during the last decades. Habitat destruction and fragmentation associated with …

The patterns of biodiversity changes in cities are now fairly well established, although
diversity changes in temperate cities are much better studied than cities in other climate …

Many studies have described the effects of urbanization on species richness. These studies
indicate that urbanization can increase or decrease species richness, depending on several …

Ants are important for the maintenance and functioning of many ecosystems and provide a
variety of ecosystem services and disservices. This review summarizes information on …

Due to human population growth and migration, there will be nearly 2 billion new urban
residents by 2030, yet the consequences of both current and future urbanization for …

The variability of bee communities along an urban gradient has a potentially strong impact
on pollinator-plant interactions. We investigated changes in bee species richness and …

Urban gardens may support bees by providing resources in otherwise resource-poor
environments. However, it is unclear whether urban, backyard gardens with native plants …