TY - RPRT TI - The importance of wilderness to wolf (Canis lupus) survival and cause-specific mortality over 50 years AU - Shannon Barber-Meyer AU - Tyler Wheeldon AU - L. David Mech PY - 2021 DO - 10.1016/j.biocon.2021.109145 UR - https://pubs.usgs.gov/publication/70220516 ID - 70220516 ER -