Invasion, Dominance, and Species Loss in Southern Wisconsin Forest Understories

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Species invasions present a conservation paradox—native invaders help maintain species diversity, yet non-native invasive species can substantially alter communities and ecosystems. To address this issue, we investigated patterns of native and non-native colonization and the role each group played in long-term changes in native understory diversity and composition. We used a 55 year-old baseline dataset from 94 upland forest stands in southern Wisconsin to evaluate the utility of initial diversity, successional state, local environmental variables and surrounding landscape conditions as predictors of native and non-native species colonization.


Presented at the 93rd Ecological Society of America Annual Meeting, Albuquerque, NM.

Presentation Number PS 24-103.

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