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Durham University

Department of Biosciences


Publication details for Dr Wayne Dawson

van Kleunen, Mark, Xu, Xinyi, Yang, Qiang, Maurel, Noëlie, Zhang, Zhijie, Dawson, Wayne, Essl, Franz, Kreft, Holger, Pergl, Jan, Pyšek, Petr, Weigelt, Patrick, Moser, Dietmar, Lenzner, Bernd & Fristoe, Trevor S. (2020). Economic use of plants is key to their naturalization success. Nature Communications 11(1): 3201

Author(s) from Durham


Humans cultivate thousands of economic plants (i.e. plants with economic value) outside their native ranges. To analyze how this contributes to naturalization success, we combine global databases on economic uses and naturalization success of the world’s seed plants. Here we show that naturalization likelihood is 18 times higher for economic than non-economic plants. Naturalization success is highest for plants grown as animal food or for environmental uses (e.g. ornamentals), and increases with number of uses. Taxa from the Northern Hemisphere are disproportionately over-represented among economic plants, and economic plants from Asia have the greatest naturalization success. In regional naturalized floras, the percentage of economic plants exceeds the global percentage and increases towards the equator. Phylogenetic patterns in the naturalized flora partly result from phylogenetic patterns in the plants we cultivate. Our study illustrates that accounting for the intentional introduction of economic plants is key to unravelling drivers of plant naturalization.