In the event of a government shutdown, the Smithsonian Libraries and Archives will remain OPEN through at least Saturday, October 7, by using prior year funds. Visit si.edu for updates.
Erwin, Terry L. 2013. "Forest Canopies, Animal Diversity." In Encyclopedia of Biodiversity. 2nd ed. Levin, S. A., editor. 511–515. Waltham, MA: Academic Press. 3
