Research NewsEcology

Does Diversity Lure Invaders?

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Science  29 Aug 1997:
Vol. 277, Issue 5330, pp. 1204-1205
DOI: 10.1126/science.277.5330.1204

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Richard GallagherALBUQUERQUE, NEW MEXICO-- Ecologists have long figured that diverse landscapes should be more resistant to exotic plant invaders, because their array of species does a better job of using up all the available resources like nitrogen and sunlight. But new studies described at a joint meeting here of the Nature Conservancy and the Ecological Society of America suggested that hot spots of plant biodiversity are sometimes magnets for invading weeds, perhaps because good growing conditions favor both native species and exotics alike.

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