Island Biogeography Theory-inspired predictions reveal that urban non-native plant richness is source dependent and defies classical isolation predictions
Lesibana Jan Sedibana, Kowiyou Yessoufou
The paper uses a global dataset of urban alien plants to test island biogeography theory, finding that city size and geographic isolation interact to influence alien plant richness, with hub-dependent variations.
bioRxiv · Aug 24, 2026 · PreprintEcology