Heather R. Whittington, David Tilman, Peter D. Wragg, and Jennifer S. Powers. 2015. Phenological responses of prairie plants vary among species and year in a three-year experimental warming study. Ecosphere 6:208. http://dx.doi.org/10.1890/es15-00070.1
Appendix A: Experimental warming effects on soil temperature, moisture, and plant phenology in a three-year study in a Minnesota prairie.
Ecological Archives C006-064-A1.