Are invasive plant species better competitors than native plant species? - evidence from pair-wise experiments

Article Abstract:

The published pair-wise experiments between invading and native plant species is reviewed, based on the hypothesis that invasive plants often appear to be more competitive than native species. The role of competition in the establishment, naturalization and outbreak stages plant invasion is examined.

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Facilitation between coastal dune shrubs: a non-nitrogen fixing shrub facilitates establishment of a nitrogen-fixer

Article Abstract:

The facilitation between two coastal dune shrubs in California, Baccharis pilularis and the nitrogen-fixing species, Lupinus arboreus is investigated. Baccharis pilularis has a cascading effect on other members of the coastal plant community due to the facilitation of an important nitrogen-fixer.

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When do herbivores affect plant invasion? Evidence for the natural enemies and biotic resistance hypothesis

Article Abstract:

Research on the herbivore/plant dynamics relationship is inconclusive on whether herbivore foraging activity is directly linked to species invasion resistance. More studies are needed to quantify the numerical and functional response of herbivores to exotic plants.

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