2025-06-01 TRENDS IN ECOLOGY & EVOLUTION 2025 40(卷), 6(期), (601-612页)
Humanity is urbanizing, with vast implications on natural systems. To date, most research on urban biodiversity has centered on temperate biomes. Conversely, drylands, collectively the largest terrestrial global biome, remain understudied. Here, we synthesize key mechanistic differences of urbanization's impacts on biodiversity across these biomes. Irrigation shapes dryland urban ecology, and can lead to greener, sometimes more biodiverse, landscapes than local wild-lands. These green urban patches in drylands often have a different species composition, including many non-native and human-commensal species. Socio-economic factors - locally and globally - can mediate how biomes shape urban biodiversity pattems through the effects of irrigation, greening, and invasive spe-cies. We advocate for more research in low-income dryland cities, and for imple-menting biome-specific, scientifically grounded management and policies.
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