Media type: E-Article Title: Using Science to Assign Value to Nature Contributor: Ruffo, Susan; Kareiva, Peter M. Published: Ecological Society of America, 2009 Published in: Frontiers in Ecology and the Environment, 7 (2009) 1, Seite 3-3 Language: English ISSN: 1540-9295 Keywords: Guest Editorial Origination: Footnote: