(dossier articles)
A method for identifying keystone species in food web models
1. Introduction
2. Methods
2.1. Ecopath approach
2.2. Mixed trophic impact
2.3. Ecosim
2.4. Comparison between simulation outputs and matrix M
2.5. Estimating total impact
2.6. Identifying an index of keystoneness
3. Results
4. Discussion
5. Conclusion
Acknowledgements
References
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