31. 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.
32. National Marine Debris Monitoring Program: citizen science observations from 1997–2007
- Author(s):
- Ribic, Christine A.; Sheavly, Seba B.; Rugg, David J.
33. Replication data for: "The natural environment and social cohesion: Tree planting is associated with increased voter turnout in Portland, Oregon"
- Author(s):
- Donovan, Geoffrey H.; Prestemon, Jeffrey P.; Kaminski, Abigail R.
34. Payments for forest-based ecosystem services in the United States, 2005-2019
- Author(s):
- Frey, Gregory E.; Kallayanamitra, Chalisa; Wilkens, Philadelphia; James, Natasha A.
35. Philadelphia park tree cover data, 1959-2018
- Author(s):
- Nix, Sabine A.; Roman, Lara A.; Healy, Marc; Rogan, John; Pearsall, Hamil
36. Urban land, urban tree cover and urban impervious cover by conterminous United States counties from 2010 to 2060
- Author(s):
- Nowak, David J.; Greenfield, Eric J.
37. Philadelphia land cover change data, 1970-2010
- Author(s):
- Roman, Lara A.; Catton, Indigo J.; Greenfield, Eric J.; Pearsall, Hamil; Eisenman, Theodore S.; Henning, Jason G.
38. Primeval paths: Bison in West Virginia
- Author(s):
- Thomas-Van Gundy, Melissa A.; Perkins, Jessica D.; Smith, Linda S.
39. A century of Forest Service research and development in the southern United States: historical documents and images
- Author(s):
- Bragg, Don C.
40. Wildfire Risk to Communities: Spatial datasets of landscape-wide wildfire risk components for the United States
- Author(s):
- Scott, Joe H.; Gilbertson-Day, Julie W.; Moran, Christopher; Dillon, Gregory K.; Short, Karen C.; Vogler, Kevin C.