PLANT ECOLOGY

Coping with invasion and warming

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Science  01 Dec 2017:
Vol. 358, Issue 6367, pp. 1144-1145
DOI: 10.1126/science.358.6367.1144-a

Invasive Rudbeckia triloba is less affected by climate warming than native European species.

PHOTO: CLARE GAINEY/ALAMY STOCK PHOTO

Native plant communities worldwide face the challenges of anthropogenic changes, among them climate warming and invasion by introduced species. Haeuser et al. investigated the synergy between these two processes in a field experiment in native grassland in Germany. They sowed seeds of introduced ornamental plants together with those of the native grassland flora and compared the colonization and establishment of the two groups in artificially warmed plots and control plots. Although most species in both groups showed decreased performance under warming, the ornamentals were less severely affected. Hence, climate warming may increase the relative success of invasive species in such systems.

J. Ecol. 105, 1698 (2017).

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