Hughes, J B Aggregate community properties and the strength of species' interactions. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Jun 1998 - 6837-42 p. digital Publication Type: Journal Article ISSN: 0027-8424 Standard No.: 10.1073/pnas.95.12.6837 doi Subjects--Topical Terms: AnimalsEcosystemHumansModels, BiologicalModels, Theoretical