Opposing effects of native and exotic herbivores on plant invasions.

@article{Parker2006OpposingEO,
  title={Opposing effects of native and exotic herbivores on plant invasions.},
  author={John D. Parker and Deron E Burkepile and Mark E Hay},
  journal={Science},
  year={2006},
  volume={311 5766},
  pages={1459-61}
}
Exotic species are widely assumed to thrive because they lack natural enemies in their new ranges. However, a meta-analysis of 63 manipulative field studies including more than 100 exotic plant species revealed that native herbivores suppressed exotic plants, whereas exotic herbivores facilitated both the abundance and species richness of exotic plants. Both outcomes suggest that plants are especially susceptible to novel, generalist herbivores that they have not been selected to resist. Thus… CONTINUE READING
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