TY - RPRT TI - A spatially explicit, empirical estimate of tree-based biological nitrogen fixation in forests of the United States AU - Anika Staccone AU - Wenying Liao AU - Steven S. Perakis AU - Jana Compton AU - Christopher L. Clark AU - Duncan N.L. Menge PY - 2020 DO - 10.1029/2019gb006241 UR - https://pubs.usgs.gov/publication/70214305 ID - 70214305 ER -