TY - RPRT TI - Seabirds as indicators of marine ecosystems: Introduction: A modern role for seabirds as indicators AU - John F. Piatt AU - William J. Sydeman AU - Francis Wiese PY - 2007 DO - 10.3354/meps07070 UR - https://pubs.usgs.gov/publication/70186201 ID - 70186201 ER -