1. University of Pennsylvania campus tree inventories, 2003 and 2014
- Author(s):
- Roman, Lara A.; Fristensky, Jason P.; Lundgren, Robert E.; Cerwinka, Chloe E.; Lubar, Jason E.
2. Greenhouse gas emissions and removals from forest land, woodlands, and urban trees in the United States, 1990-2020: Estimates and quantitative uncertainty for individual states, regional ownership groups, and National Forest System regions
- Author(s):
- Walters, Brian F.; Domke, Grant M.; Greenfield, Eric J.; Smith, James E.; Nowak, David J.; Ogle, Stephen M.