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Creator:: Zimmerman, Christian E.
Abstract:: The relationship of coastal cutthroat trout (Oncorhynchus clarki clarki) populations in the Muck Creek basin, a 238 km² southern Puget Sound stream basin in western Washington, was examined using starch gel electrophoresis and meristic analysis. Coastal cutthroat trout were collected from six sites throughout the basin including tributaries, portions of...
Resource Type:: Masters Thesis
Full Text:: trout, brook trout (Salvelinus fontinalis), largemouth bass (Micropterus salmoides), sunfish (Lepomis

Creator:: Tinus, Craig A.
Abstract:: Juvenile steelhead are known to associate with shiner groups, though they also compete for food. Steelhead form dominance hierarchies within cohorts and aggressively defend feeding territories against all other fish. This study focused on the differential effect of shiner competition on steelhead of different social standing. Survival of subordinate juvenile...
Resource Type:: Masters Thesis
Full Text:: To 0t o 0.2 c,2 0.0 9 EM 15° Number of Shiner Present lam:3 20° 19 Steelhead Growth

Creator:: Haapala, Deborah L.
Abstract:: Relations between the diversity of juvenile anadromous salmonids and pool features were examined in a managed and a pristine watershed in Oregon during the summer of 1990. There were no differences (p>0.05) in pool depth, velocity or pool wood volumes between streams. However, the pristine system had twice the number...
Resource Type:: Masters Thesis
Full Text:: (Oncorhynchus kisutch) and steelhead trout (O. mykiss) abundances increased in areas where wood had been added

Creator:: Griswold, Kitty E.
Abstract:: An investigation of the genetic and meristic patterns of coastal cutthroat trout (Oncorhynchus clarki clarki) in two coastal basins, one in Oregon and one in Alaska, revealed varying degrees of differences among populations within each site. Coastal cutthroat trout collected from seven sites above and below barriers from Elk River,...
Resource Type:: Masters Thesis
Full Text:: samples collected from the mainstem of the Elk River (X2=22.9, p<O.00l) and from Bagley Creek (X2=16.9, p

Creator:: Zimmerman, Christian E.
Abstract:: Sympatric steelhead and resident rainbow trout (Oncorhynchus mykiss) are known to exist in many rivers throughout the Pacific Rim. Whether sympatric steelhead and resident rainbow trout are polymorphisms within a single gene pool or two reproductively isolated populations has significant implications concerning the study and conservation of this polytypic species....
Resource Type:: Dissertation
Full Text:: 1000 1500 70 60 - Ci)4- C o 50- 0 ci) 4 E U) '5 30- 0)0 E 20- z 10 I- 0.0005 0.0010 0.0015 Sr

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