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Increased Plant Size in Exotic Populations: A Common-Garden Test with 14 Invasice Species

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Ruth A Hufbauer, and Dana M Blumenthal, Increased Plant Size in Exotic Populations: A Common-Garden Test with 14 Invasice Species: .

Summary

The “evolution of increased competitive ability� (EICA) hypothesis predicts that exotic species will adapt to reduced herbivore pressure by losing costly defenses in favor of competitive ability. Previous studies often support the prediction that plants from exotic populations will be less well defended than plants from native populations. However, results are mixed with respect to the question of whether plants from exotic populations have become more competitive. In a common-garden experiment involving plants from two native and two exotic populations of 14 different invasive species, we tested whether exotic plants generally grow larger than conspecific native plants, and whether patterns of relative growth depend on the intensity [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 10:56:57 CDT 2011

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Title Citation Increased Plant Size in Exotic Populations: A Common-Garden Test with 14 Invasice Species

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