TY - RPRT TI - A case for using Plethodontid salamanders for monitoring biodiversity and ecosystem integrity of North American forests AU - Hartwell H. Welsh AU - Sam Droege PY - 2002 DO - 10.1046/j.1523-1739.2001.015003558.x UR - https://pubs.usgs.gov/publication/5224065 ID - 5224065 ER -