TY - RPRT TI - Stand density, drought, and herbivory constrain ponderosa pine regeneration pulse AU - Thomas E. Kolb AU - Kelsey Flathers AU - John B. Bradford AU - Caitlin M. Andrews AU - Lance A. Asherin AU - W. Keith Moser PY - 2020 DO - 10.1139/cjfr-2019-0248 UR - https://pubs.usgs.gov/publication/70208722 ID - 70208722 ER -