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Impacts of Plant Invasions Become Less Robust Over Time: Invasive Plants Are More Likely to Be Replaced by Other ‘Invasives’
Nov. 20, 2013 — Among the most impressive ecological findings of the past 25 years is the ability of invasive plants to radically change ecosystem function. Yet few if any studies have examined whether ecosystem impacts of invasions persist over time, and what that means for plant communities and ecosystem restoration.
SPINELESS CACTUS : A DROUGHT-TOLERANT JEWEL (Willem Van Cotthem)
The prickly pear (Opuntia ficus-indica) is seen by some as a dangerous invasive species. But what about the spineless variety (var. inermis), one of the best tools to combat desertification and hunger ? The pads and fruits of this variety can be eaten by humans and animals (see “nopales”). Wouldn’t we wish that this variety becomes an invasive plant in all desertfied…
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