1. Tracking forest phenology and seasonal physiology using digital repeat photography: a critical assessment. Issue 6 (1st September 2014) Authors: Keenan, T. F.; Darby, B.; Felts, E.; Sonnentag, O.; Friedl, M. A.; Hufkens, K.; O'Keefe, J.; Klosterman, S.; Munger, J. W.; Toomey, M.; Richardson, A. D. Journal: Ecological applications Issue: Volume 24:Issue 6(2014) Page Start: 1478 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗