“…However, far fewer studies have evaluated the impacts of biological invasions (Lowry et al, ; Zenni, de Dechoum, & Ziller, ); most of them have assessed temperate and Mediterranean ecosystems (Stroud & Feeley, ), and there has been very little research into impacts in tropical ecosystems (Hulme et al, ; Zenni, Ziller, Pauchard, Rodriguez‐Cabal, & Nuñez, ). For example, in savanna ecosystems such as the Cerrado, we currently have some understanding of the community‐level impact of invasive grasses (Abreu, de Assis, Frison, Aguirre, & Durigan, ; Almeida‐Neto et al, ; Hoffmann & Haridasan, ; Rossi, Martins, Viana, Rodrigues, & Figueira, ), but we lack research into ecosystem‐level impacts.…”