D. Gravel

Gravel, D., Charles D. Canham, M. Beaudet, and C. Messier. 2010. “Shade Tolerance, Canopy Gaps and Mechanisms of Coexistence of Forest Trees”. Oikos 119: 475-84.

Gravel, D., Charles D. Canham, M. Beaudet, and C. Messier. 2006. “Reconciling Niche and Neutrality: The Continuum Hypothesis”. Ecol. Lett. 9: 399-409. http://www.caryinstitute.org/reprints/Gravel_2006_Ecol_Letters-Niche_and_neutrality.pdf.