See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/259259600 Exploitation Ecosystems in Gradients of Primary Productivity Article in The American Naturalist · August 1981 DOI: 10.1086/283817 CITATIONS READS 1,601 1,433 4 authors, including: Lauri Oksanen University of Turku 90 PUBLICATIONS 7,928 CITATIONS SEE PROFILE Some of the authors of this publication are also working on these related projects: NCoE Tundra (How to preserve the tundra in a warming climate) View project Alpine biodiversity of the Scandes Mountains View project All content following this page was uploaded by Lauri Oksanen on 02 March 2015. The user has requested enhancement of the downloaded file.