Novel light regimes in European forests
Lowman, M. D. & Wittman, P. K. Forest canopies: methods, hypotheses, and future directions. Annu. Rev. Ecol. Syst. 27, 55–81 (1996). Article Google Scholar Gilliam, F. (ed.) The Herbaceous Layer in Forests of Eastern North America (Oxford Univ. Press, 2014). De Frenne, P. et al. Global buffering of temperatures under forest canopies. Nat. Ecol. Evol.