Seasonality of biological and physical systems as indicators of climatic variation and change

Jake F. Weltzin, Julio L. Betancourt, Benjamin I. Cook, Theresa M. Crimmins, Carolyn A.F. Enquist, Michael D. Gerst, John E. Gross, Geoffrey M. Henebry, Rebecca A. Hufft, Melissa A. Kenney, John S. Kimball, Bradley C. Reed, Steven W. Running