TY  - RPRT
TI  - Decline in greater and lesser scaup populations: issues, hypotheses, and research directions. Summary report of the Scaup Workshop 9-10 September 1998, Jamestown, ND
AU  - J. E. Austin
AU  - A. D. Afton
AU  - M.G. Anderson
AU  - R. G. Clark
AU  - Christine M. Custer
AU  - J.S. Lawrence
AU  - B. Pollard
AU  - J.K. Ringelman
PY  - 1998
UR  - https://pubs.usgs.gov/publication/93857
ID  - 93857
ER  -