TY - RPRT TI - Disturbance and topography shape nitrogen availability and δ15 N over long-term forest succession AU - Steven S. Perakis AU - Alan J. Tepley AU - Jana Compton PY - 2015 DO - 10.1007/s10021-015-9847-z UR - https://pubs.usgs.gov/publication/70154995 ID - 70154995 ER -