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  • Distribution and juvenile ecology of bull trout (Salvelinus confluentus) in the Cascade Mountains

    Creator:
    Goetz, Frederick Allen
    Abstract:
    Distribution and juvenile habitat use of bull trout (Salvelinus confluentus) were surveyed in selected areas of the Upper Willamette, Deschutes, upper Yakima, and upper Cedar River basins in Oregon and Washington from 1989 to 1991, using day snorkeling, night snorkeling, and electrofishing. These methods were selected after a preliminary diel...
    Resource Type:
    Masters Thesis

  • Ecology of aquatic habitats associated with stream margins

    Creator:
    Moore, Kelly M. S.
    Abstract:
    The morphology and ecological importance of habitats associated with the margin of third-order stream channels in the Oregon Cascades were studied in streams in three different riparian types: 450-year-old conifers, 40-year-old alder, and an open, herbaceous-dominated clearcut. Margins, backwaters, and side channels in streams create important habitat for fry of...
    Resource Type:
    Masters Thesis
    Full Text:
    46 CHAPTER III: ECOLOGY OF CUTTHROAT TROUT FRY IN CASCADE MOUNTAIN STREAMS 51 INTRODUCTION 51