Author: Dr. Susan L. Woodward, Professor of Geography Emerita, Department of Geospatial Science, Radford University, Radford, Virginia. Content on terrestrial biomes was initially prepared in 1997 and later updated. Content on aquatic biomes added 2012-2015. Seasonally dry tropical forest pages and some site-specific pages added in 2019 and 2022 by slw. Southern Hemisphere tundra analogs pages were added in 2024 by slw. Dr. Andrew Foy, Associate Professor of Geospatial Science at Radford University, is web administrator for the site. All photos, unless otherwise noted, are by the author. These photos and the maps may be used without permission for educational purposes on websites and PowerPoints.