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Browsing by Subject "Thematic Classification -- Habitats and Vegetation -- Aquatic Habitats -- River and Stream Aquatic Habitat"
Now showing items 1-11 of 11
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(2006-06-01)This pipe was installed in 2005 by Johnson Rock Products. The culvert has aluminized weir plates welded to the inside of the pipe at 10-foot intervals. The tributary on which this culvert was installed flows into Parad ...
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(2006-06-01)This project included 8 miles of fencing, 18 stock water tanks, 10 acres of riparian planting, 1 hardened crossing and 1 culvert crossing. Six landowners participated in the project.
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(Stanford, Calif. : Natural History Museum of Stanford University, 1940)
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(Army Corps of Engineers, Portland District, 2000-04-04)In a January 26, 2000 letter, the Portland District Army Corps of Engineers (COE) requested Endangered Species Act (ESA) Section 7 informal consultation with the National Marine Fisheries Service (NMFS) on the proposed i ...
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(2006-06-01)Fortune Branch Creek culvert: This Con-Span concrete culvert was installed in 2003 on this tributary to Cow Creek near Glendale.
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(2006-06-01)Two Rapid-Span bridges were installed on property owned by Donna Woolley. The total project cost was $130,000. The bridges have concrete running surfaces over two large I-beams.
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(Oregon State University Department of Forest Science, 1998-12-18)The purpose of this pilot program was to determine whether or not forward looking infrared (FLIR) videography could be used to develop thermal maps of the mainstem Klamath River to access habitat limitations due to high ...
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(Portland, Or. : Oregon Fish Commission, 1950)In spite of the progressive restrictions of the commercial river fishery during the past fifty years, the trend of the salmon populations of the coastal rivers has been downward. It is almost impossible to isolate and an ...
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(Portland, Or. : Oregon Fish Commission, 1950)Three factors were found to be significantly correlated with the fluctuations and trends in silver salmon production in Oregon. Logging was found to adversely affect the runs of salmon in later years. Exceptional winte ...
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Waterbird records for the Siletz River and some creeks in the Siletz/Logsden area of Lincoln County (Newport, Or. : Gahmken Press, 1994)This article is based on a total of 204 observations, many of which were censuses. Between Siletz River Mile (RM) 50.0 and 50.6, Llewellyn made 151 observations of waterbirds during 1981-1993. He noted a total of 12 s ...
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(Newport, Or. : Gahmken Press, 1994)This article is based on a total of 353 observations, many of which were systematic censuses. At West Beaver Pond, Llewellyn made 225 observations of waterbirds during 1982-June 1993. He noted a total of 19 taxa; 53% ...
Now showing items 1-11 of 11
