URLDate
Verified		Extra Software
Requirements
(if any)		Access
Conditions		Notes
http://www.jstor.org/stable/264124705/06/2010Item is within a limited-access website
http://www.esajournals.org/doi/full/10.1890/1051-0[...]05/06/2010Item is within a limited-access website
http://www.esajournals.org/doi/pdf/10.1890/1051-07[...]05/06/2010PDF ReaderItem is within a limited-access website