SCIENCE TOPICS

• • Alaska Geospatial Data
  • Alaska Volcano Observatory
  • Biology
  • Earth Science Information Center
  • Geography
  • Geology
  • Water

ABOUT THE ALASKA
SCIENCE CENTER

• • Alaska Science Center Fact Sheet (2007)
  • Office Information
  • Employee Directory
  • Employment
  • Invitation to Bid
  • USGS Phonebook

Education and/or Training

M.S.	1993	University of Montana, Missoula, MT	Zoology
B.S.	1985	University of Montana, Missoula, MT	Wildlife Biology

Areas of Specialization and/or Research Interests

Conservation genetics of North American salmon and trout.

Professional Experience

1996 - Present	Research Geneticist, USGS, Alaska Science Center, Anchorage, Alaska
1989 -1995	Research Assistant, University of Montana, Missoula, Montana
1986 - 1988	Fisheries Field Worker, Montana Department of Fish, Wildlife, and Parks, Kalispell, Montana

Professional Activities and/or Memberships

Present:
American Fisheries Society
Alaska Chapter American Fisheries Society
Past:
Montana Chapter American Fisheries Society

Significant Recent Publications

Scribner, K. Y., G. K. Sage, C. Soiseth, L. Thorsteinson, E. Knudsen and J. L. Nielsen. submitted. Coho salmon colonization in recently deglaciated streams in Glacier Bay, Alaska. Journal of Fish Biology.

K. M. Ramstad, C. A. Woody, G. K. Sage, and F. W. Allendorf. 2004. Founding events influence genetic population structure of sockeye salmon (Oncorhynchus nerka) in Lake Clark, Alaska. Molecular Ecology 13:277-290.

Nielsen, J. L., I. Williams, G. K. Sage, and C. E. Zimmerman. 2003. The importance of genetic verification for determination of Atlantic salmon in north Pacific waters. Journal of Fish Biology. 62:871-878.

Nielsen, J. L., G. K. Sage, S. Pavey, R. Valenzuela and T. Wiacek. 2003. Hatchery and wild steelhead genetics in Idaho: Report #1: Dworshak Hatchery stocks in the Clearwater drainage. Technical Report submitted to Idaho Fish and Game April, 2003.

Nielsen, J. L. and G. K. Sage. 2002. Microsatellite analyses of San Mateo Creek trout, 2001. Technical Report submitted to US Department of Defense, Camp Pendleton, CA. January 14, 2002.

Nielsen, J. L. and G. K. Sage. 2002. Population genetic structure in Lahontan cutthroat trout. Transactions of the American Fisheries Society 131:376-388.

J. L. Nielsen and G. K. Sage. 2002. Genetic analysis of temporal spawning populations of Lahontan cutthroat (Oncorhynchus clarki henshawi) from Pyramid Lake. Bailey Environmental Consulting 11pp..

Nielsen, J. L. and G. K. Sage. 2002. Microsatellite sequence reveals significant haplotype diversity in Central Valley chinook stocks. Final technical report submiitted to California Department of Fish and Game June 2002.

Nielsen, J. L. and K. Sage. 2001. Microsatellite analyses of the trout of Northwest Mexico. Genetica 111(No.1-3): 269-278.

Websites of Interest

Genetic structure of coho salmon in Glacier Bay
Genetics research for characterizing Alaskan salmonid populations