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Filters: Author is Roper, Brett B.  [Clear All Filters]
1999
Roper, Brett B., and Dennis L. Scarnecchia. "Emigration of age-0 chinook salmon (Oncorhynchus tshawytscha) smolts from the upper South Umpqua River basin, Oregon, U.S.A." Canadian Journal of Fisheries and Aquatic Sciences 56 (1999): p.939-946.
1997
Ratner, Susan, Russell Lande, and Brett B. Roper. "Population viability analysis of spring chinook salmon in the South Umpqua River, Oregon." Conservation Biology 11 (1997): p.879-889.
1995
Roper, Brett B.. Ecology of Anadromous Salmonids within the Upper South Umpqua River Basin, Oregon. Ph. D. ed. Moscow, Id.: University of Idaho, 1995.
Roper, Brett B., and Dennis L. Scarnecchia. "Observer variability in classifying habitat types in stream surveys." North American Journal of Fisheries Management 15 (1995): p.49-53.
1994
Dose, Jeffrey J., and Brett B. Roper. "Long-term changes in low-flow channel widths within the South Umpqua watershed, Oregon." Water Resources Bulletin 30 (1994): 993-1000.
Roper, Brett B., Dennis L. Scarnecchia, and Tim J. La Marr. "Summer distribution of and habitat use by chinook salmon and steelhead within a major basin of the South Umpqua River, Oregon." Transactions of the American Fisheries Society 123 (1994): p.298-308.