Summary Collection(s) Collection(s) DC Faculty Research & Scholarship Content type Content type Digital Document Resource Type Resource Type Text Genre Genre article Language Language English Peer Review Status Peer Review Status Peer Reviewed Persons and Affiliations Persons Author (aut): Lalonde, R.G. Author (aut): McGregor, Robert R. Author (aut): Gillespie, D.R. Author (aut): Roitberg, B.D. Publication/Container Information Publication Title Publication Title Oikos Publication Number Publication Number Volume 87, Issue 3 Identifiers DOI DOI 10.2307/3546827 ISSN ISSN 0030-1299 Access and Rights Use and Reproduction Use and Reproduction ©1999. Nordic Society Oikos. Wiley. Rights Statement Rights Statement IN COPYRIGHT - EDUCATIONAL USE PERMITTED