The Internet Archive has a preservation copy of this work in our general collections.
Journal of Ecology
JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact firstname.lastname@example.org:10.2307/2255320 fatcat:zvr2fvudobdszc72a4jole3bee