TY - RPRT TI - A framework for understanding semi-permeable barrier effects on migratory ungulates AU - Hall Sawyer AU - Matthew J. Kauffman AU - Arthur D. Middleton AU - Thomas A. Morrison AU - Ryan M. Nielson AU - Teal B. Wyckoff PY - 2012 DO - 10.1111/1365-2664.12013 UR - https://pubs.usgs.gov/publication/70039846 ID - 70039846 ER -