TY  - RPRT
TI  - Seabird population trends along the west coast of North America: Causes and the extent of regional concordance
AU  - D. G. Ainley
AU  - W.J. Sydeman
AU  - Scott A. Hatch
AU  - U.W. Wilson
PY  - 1994
UR  - https://pubs.usgs.gov/publication/1012821
ID  - 1012821
ER  -