U.S. Department of Agriculture1. Historical maps of land use in Puerto Rico in 1951
- Author(s):
- Helmer, Eileen H.; Córdova, Juan R.; Quiñones, Maya; Hubing, Nick
2. Maps of Puerto Rico and Virgin Islands forest functional groups, biomass, height, and species counts (2001-2008) and satellite image composites (1980-2000)
- Author(s):
- Helmer, Eileen H.; Ruzycki, Thomas S.; Wilson, Barry T.; Sherrill, Kirk R.; Lefsky, Michael A.; Marcano-Vega, Humfredo; Brandeis, Thomas J.; Erickson, Heather E.; Reufenacht, Bonnie
3. Forest age map, tree species traits and Landsat phenology metrics for Puerto Rico and the U.S. Virgin Islands
- Author(s):
- Helmer, Eileen H.; Kay, Shannon L.; Marcano-Vega, Humfredo; Powers, Jennifer S.; Wood, Tana E.; Zhu, Xiaolin; Gwenzi, David; Ruzycki, Thomas S.
4. St. Kitts, Nevis, St. Eustatius, Grenada, and Barbados land cover and forest formations (1999-2003)
- Author(s):
- Helmer, Eileen H.; Kennaway, Todd A.; Pedreros, Diego H.; Clark, Matthew L.; Marcano-Vega, Humfredo; Tieszen, Larry L.; Ruzycki, Thomas S.; Schill, S. R.; Carrington, C. M. Sean
5. Puerto Rico, Vieques and Culebra land cover and forest formations circa 2000
- Author(s):
- Kennaway, Todd A.; Helmer, Eileen H.
6. Guarea guidonia and Ocotea sintenisii physiological and climate data for Tropical Responses to Altered Climate Experiment (TRACE) canopy tower site at Sabana Field Research Station, Luquillo, Puerto Rico in summer 2017
- Author(s):
- Carter, Kelsey R.; Wood, Tana E.; Reed, Sasha C.; Butts, Kaylie B.; Cavaleri, Molly A.
7. Virgin Islands land cover and forest structure
- Author(s):
- Kennaway, Todd A.; Helmer, Eileen H.; Lefsky, Michael A.; Brandeis, Tom J.; Sherrill, Kirk R.
8. Plant physiological and climate data for Tropical Responses to Altered Climate Experiment (TRACE) site at Sabana Field Research Station, Luquillo, Puerto Rico from 2015-2017
- Author(s):
- Carter, Kelsey R.; Wood, Tana E.; Reed, Sasha C.; Schwartz, Elsa C.; Reinsel, Madeline B.; Yang, Xi; Cavaleri, Molly A.
9. Cloud forest data for "Neotropical cloud forests and páramo to contract and dry from declines in cloud immersion and frost"
- Author(s):
- Helmer, Eileen H.; Gerson, Elizabeth A.; Baggett, L. Scott; Bird, Benjamin J.; Ruzycki, Thomas S.; Voggesser, Shannon M.