Montesinos, Daniel (2022) Fast invasives fastly become faster: invasive plants align largely with the fast side of the plant economics spectrum. Journal of Ecology, 110 (5). pp. 1010-1014.

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Abstract

1. Invasive plants generally align with the fast side of the plant's trait economics spectrum, characterized by fast nutrient acquisition, growth and reproduction. However, there are numerous and notable exceptions, including woody invasives.

2. The generalization that invasives are fast is driven by the high occurrence of invasive ruderal species colonizing nutrient-rich disturbed habitats, a consequence of anthropogenic disturbance usually going hand-in-hand with biological introductions.

3. Successful invasive plans have shown a remarkable ability to rapidly adapt to the new regions where they are introduced. These changes predominantly involve increased resource acquisition, growth and reproduction, aligning them even further with the fast side of the plant economics spectrum.

4. Common garden experiments with invasive model systems provide valuable insights about the speed and direction of adaptive responses to different climates, helping us to predict general plant responses to global change.

5. Synthesis. Invasive plant species commonly present fast nutrient acquisition, growth and reproduction, but this general pattern is mostly driven by ruderal species. Still, common garden experiments comparing populations from distant world regions show a clear trend for already fast invasive plants to rapidly adapt towards even faster traits in their non-native regions.

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