AMBIODecember 2011, Volume 40, Issue 8, pp 931–933 | Cite asAppendixAuthorsAuthors and affiliationsM. StarrEmail authorArticleFirst Online: 27 December 2011 83 Downloads This is a preview of subscription content, log in to check accessCopyright information© Royal Swedish Academy of Sciences 2011Authors and AffiliationsM. Starr1Email author1.HelsinkiFinland