Data from: A tale of two studies: detection and attribution of the impacts of invasive plants in observational surveys

Kevin E. Mueller, Alexandra G. Lodge, Alexander M. Roth, Timothy J. S. Whitfeld, Sarah E. Hobbie & Peter B. Reich
1.Short-term experiments cannot characterize how long-lived, invasive shrubs influence ecological properties that can be slow to change, including native diversity and soil fertility. Observational studies are thus necessary, but often suffer from methodological issues. 2.To highlight ways of improving the design and interpretation of observational studies that assess the impacts of invasive plants, we compare two studies of nutrient cycling and earthworms along two separate gradients of invasive shrub abundance. By considering the divergent sampling...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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