Seasonal shift from bottom-up to top-down impact in phytophagous insect populations

@article{Gratton2003SeasonalSF,
  title={Seasonal shift from bottom-up to top-down impact in phytophagous insect populations},
  author={Claudio Gratton and Robert F. Denno},
  journal={Oecologia},
  year={2003},
  volume={134},
  pages={487-495}
}
Although many studies now examine how multiple factors influence the dynamics of herbivore populations, few studies explicitly attempt to document where and when each is important and how they vary and interact. In fact, how temporal variation in top-down (natural enemies) and bottom-up (host plant resources) factors affect herbivore dynamics has been suggested as a particularly important yet poorly understood feature of terrestrial food webs. In this study we examined how temporal changes in… CONTINUE READING
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