Trophic coherence determines food-web stability

@article{Johnson2014TrophicCD,
  title={Trophic coherence determines food-web stability},
  author={Samuel Johnson and Virginia Dom'inguez-Garc'ia and L. Donetti and M. A. Mu{\~n}oz},
  journal={Proceedings of the National Academy of Sciences},
  year={2014},
  volume={111},
  pages={17923 - 17928}
}
Significance The fact that large, complex ecosystems are particularly robust is mysterious in the light of mathematical arguments that suggest they should be unstable; i.e., susceptible to runaway fluctuations in species’ abundances. Here we show that food webs (networks describing who eats whom in an ecosystem) exhibit a property we call trophic coherence, a measure of how neatly the species fall into distinct levels. We find that this property makes networks far more linearly stable than if… Expand
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