Colonization, Establishment, and Impacts of Three Notorious Invasive Species Over Five Decades in Southern Wisconsin Broadleaf Forests

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Although invasive plants clearly accompany declines in floristic quality, we often lack empirical evidence that the establishment of invasives causes declines in native species richness. We compare data collected from 128 S Wisconsin forest stands in the 1950s to samples from the 2000s to assess shifts in the distribution and abundance of Alliaria petiolata, Rhamnus cathartica, and Lonicera spp. and their impacts. Using a before-after-control-impact (BACI) framework, we identify how these invasions affect native species richness at these sites.


Presented at the 93rd Ecological Society of America Annual Meeting, Milwaukee, WI.

Presentation Number PS 26-120.

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