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• 1. [Image] The trout and salmon of the Pacific coast

  	This article is an overview of the variety of trout and salmon that are found in Oregon and Washington states.
  	Citation × Citation Citation Abstract Copy Title: The trout and salmon of the Pacific coast Author: Jordan, David Starr Year: 1906, 2005, 2004 This article is an overview of the variety of trout and salmon that are found in Oregon and Washington states. Title: The trout and salmon of the Pacific coast Author: Jordan, David Starr Year: 1906, 2005, 2004 This article is an overview of the variety of trout and salmon that are found in Oregon and Washington states. Close

• 2. [Article] Price relationships between domestic wild salmon, aquacultured rainbow trout and Norwegian farmed salmon in Finland

  Research Paper

  Citation × Citation Citation Abstract Copy Title: Price relationships between domestic wild salmon, aquacultured rainbow trout and Norwegian farmed salmon in Finland Author: Mickwitz, Per Research Paper Title: Price relationships between domestic wild salmon, aquacultured rainbow trout and Norwegian farmed salmon in Finland Author: Mickwitz, Per Research Paper Close

• 3. [Article] The effects of stream alterations on salmon and trout habitat in Oregon

  70 pages

  Citation × Citation Citation Abstract Copy Title: The effects of stream alterations on salmon and trout habitat in Oregon Author: Howell, P. J., Rogers, J. D., Bottom, Daniel L., Oregon. Dept. of Fish and Wildlife 70 pages Title: The effects of stream alterations on salmon and trout habitat in Oregon Author: Howell, P. J., Rogers, J. D., Bottom, Daniel L., Oregon. Dept. of Fish and Wildlife 70 pages Close

• 4. [Article] Recommended time, size, and age for release of hatchery reared salmon and steelhead trout

  Citation × Citation Citation Abstract Copy Title: Recommended time, size, and age for release of hatchery reared salmon and steelhead trout Author: Wallis, Joe Title: Recommended time, size, and age for release of hatchery reared salmon and steelhead trout Author: Wallis, Joe Close

• 5. [Image] Fishermen

  	Manuscript that details the practice of fishing of two species: trout and salmon. There is a heavier focus on the salmon as it goes into the spawning process. The overall tone of the document is about ...
  	Citation × Citation Citation Abstract Copy Title: Fishermen Author: Finley, Phoebe Katherine Year: 1924 Manuscript that details the practice of fishing of two species: trout and salmon. There is a heavier focus on the salmon as it goes into the spawning process. The overall tone of the document is about the nature of the pursuit of fish. The author ends the document pondering if there is a difference between actually catching the fish and catching a glimpse. Title: Fishermen Author: Finley, Phoebe Katherine Year: 1924 Manuscript that details the practice of fishing of two species: trout and salmon. There is a heavier focus on the salmon as it goes into the spawning process. The overall tone of the document is about the nature of the pursuit of fish. The author ends the document pondering if there is a difference between actually catching the fish and catching a glimpse. Close

• 6. [Image] Articles discussing trout populations in western Oregon and effects of dams on salmon fishing

  	Citation × Citation Citation Abstract Copy Title: Articles discussing trout populations in western Oregon and effects of dams on salmon fishing Author: Oregon Journal (Firm); Oregonian (Firm) Year: 1936 Title: Articles discussing trout populations in western Oregon and effects of dams on salmon fishing Author: Oregon Journal (Firm); Oregonian (Firm) Year: 1936 Close

• 7. [Article] Visible Implant Elastomer (VIE) Tags for Marking Small Rainbow Trout

  This is the publisher’s final pdf. The published article is copyrighted by Taylor & Francis and can be found at: http://www.tandf.co.uk/journals/.

  Citation × Citation Citation Abstract Copy Title: Visible Implant Elastomer (VIE) Tags for Marking Small Rainbow Trout Author: Noakes, D. L., Leblanc, C. A. This is the publisher’s final pdf. The published article is copyrighted by Taylor & Francis and can be found at: http://www.tandf.co.uk/journals/. Title: Visible Implant Elastomer (VIE) Tags for Marking Small Rainbow Trout Author: Noakes, D. L., Leblanc, C. A. This is the publisher’s final pdf. The published article is copyrighted by Taylor & Francis and can be found at: http://www.tandf.co.uk/journals/. Close

• 8. [Article] Methods for the in vitro cultivation of cells from the tissues of salmonid fishes

  Methods examined for the preparation of cells from tissues of salmonid fishes for primary cultivation were the fragment (explant) and enzyme dispersion techniques. Both methods were employed for the cultivation ...

  Citation × Citation Citation Abstract Copy Title: Methods for the in vitro cultivation of cells from the tissues of salmonid fishes Author: Fryer, John L. Methods examined for the preparation of cells from tissues of salmonid fishes for primary cultivation were the fragment (explant) and enzyme dispersion techniques. Both methods were employed for the cultivation of a variety of tissues from Pacific salmon, Oncorhynchus spp., and the steelhead trout, Salmo gairdneri gairdneri. A technique was devised whereby embryonic cells of these fishes were prepared in primary culture and maintained with periodic fluid changes and transfers over long periods of time. These preparations, referred to as stock cultures, were used as a cell source for much of the experimental work reported here. The optimum concentration of cell inoculum for primary culture of embryonic cells was found to be one to one and one-half million per ml of culture medium. The optimum concentration of cell inoculum for subcultures of the primary cultures was found to be 600,000 per ml of medium. Several enzymes were compared with trypsin for the preparation of primary cell cultures. All were able to cause separation of cells from the tissue mass; however, these test enzymes were found to be more toxic to the cells than trypsin. The first of a series of experiments to determine factors influencing cell growth involved the comparison of five tissue culture media. Eagle's minimum essential medium supplemented with 20 percent agamma calf serum was found to be more growth stimulatory for embryonic cells than any of the other preparations tested. The addition of 25 percent by volume of Eagle's basal medium with 20 percent agamma calf serum removed from an actively growing culture to 75 percent by volume of this same medium failed to stimulate more cell growth than did Eagle's basal medium prepared with all fresh components. There appeared to be no growth stimulatory factors for these cells present in the fluid of actively growing cultures. Antibiotics have been employed at concentrations as high as 1000 units of penicillin, 1000 micrograms of streptomycin and 100 units of Mycostatin per ml of medium for the control of microorganisms without any indication of toxicity. Cultures were routinely carried for long periods of time at concentrations of 100 units penicillin, 100 micrograms streptomycin and 25 units Mycostatin without obvious harmful effects. Vitamin B₁₂ was found to inhibit growth of steelhead trout embryonic cells at concentrations of 0.5, 1.0, and 2.0 mg per liter in Eagle's basal medium supplemented with 20 percent agamma calf serum. Oxaloacetic acid was also incorporated into this same medium at 2.5, 5.0, and 10.0 millimolar concentrations. This compound was found to inhibit the growth of coho salmon embryonic cells. The use of blood serum to supplement media was investigated. Homologous fish serum was toxic for the steelhead embryonic cell cultures tested. Horse serum failed to support growth of these same cells. Human and calf serum, with and without gamma globulin, were compared and the agamma calf serum was superior to the other three as a growth stimulant for fish cells. The growth of coho salmon embryonic cells was inhibited when incubated in an atmosphere containing concentrations of one and three percent CO₂. Steelhead trout embryonic cells were found to grow best at 18° and 23° C. Twenty-eight and 35° C. were both lethal for these cells. Cultures incubated at 4° and 13° C. failed to grow. Twenty-five degrees centigrade was believed to be inhibitory for these cultures but not lethal. Observations indicated that the pH of the medium used to culture chinook salmon embryonic cells increased in alkalinity shortly after planting, followed by a slow decrease requiring approximately 28 days to reach values near neutrality. Cells of hepatoma tissue excised from adult rainbow trout were cultured and studied during the course of this work. A number of cultures have been grown under conditions of continuous cultivation. Five of these preparations are still viable and two have exceeded one year in culture. Title: Methods for the in vitro cultivation of cells from the tissues of salmonid fishes Author: Fryer, John L. Methods examined for the preparation of cells from tissues of salmonid fishes for primary cultivation were the fragment (explant) and enzyme dispersion techniques. Both methods were employed for the cultivation of a variety of tissues from Pacific salmon, Oncorhynchus spp., and the steelhead trout, Salmo gairdneri gairdneri. A technique was devised whereby embryonic cells of these fishes were prepared in primary culture and maintained with periodic fluid changes and transfers over long periods of time. These preparations, referred to as stock cultures, were used as a cell source for much of the experimental work reported here. The optimum concentration of cell inoculum for primary culture of embryonic cells was found to be one to one and one-half million per ml of culture medium. The optimum concentration of cell inoculum for subcultures of the primary cultures was found to be 600,000 per ml of medium. Several enzymes were compared with trypsin for the preparation of primary cell cultures. All were able to cause separation of cells from the tissue mass; however, these test enzymes were found to be more toxic to the cells than trypsin. The first of a series of experiments to determine factors influencing cell growth involved the comparison of five tissue culture media. Eagle's minimum essential medium supplemented with 20 percent agamma calf serum was found to be more growth stimulatory for embryonic cells than any of the other preparations tested. The addition of 25 percent by volume of Eagle's basal medium with 20 percent agamma calf serum removed from an actively growing culture to 75 percent by volume of this same medium failed to stimulate more cell growth than did Eagle's basal medium prepared with all fresh components. There appeared to be no growth stimulatory factors for these cells present in the fluid of actively growing cultures. Antibiotics have been employed at concentrations as high as 1000 units of penicillin, 1000 micrograms of streptomycin and 100 units of Mycostatin per ml of medium for the control of microorganisms without any indication of toxicity. Cultures were routinely carried for long periods of time at concentrations of 100 units penicillin, 100 micrograms streptomycin and 25 units Mycostatin without obvious harmful effects. Vitamin B₁₂ was found to inhibit growth of steelhead trout embryonic cells at concentrations of 0.5, 1.0, and 2.0 mg per liter in Eagle's basal medium supplemented with 20 percent agamma calf serum. Oxaloacetic acid was also incorporated into this same medium at 2.5, 5.0, and 10.0 millimolar concentrations. This compound was found to inhibit the growth of coho salmon embryonic cells. The use of blood serum to supplement media was investigated. Homologous fish serum was toxic for the steelhead embryonic cell cultures tested. Horse serum failed to support growth of these same cells. Human and calf serum, with and without gamma globulin, were compared and the agamma calf serum was superior to the other three as a growth stimulant for fish cells. The growth of coho salmon embryonic cells was inhibited when incubated in an atmosphere containing concentrations of one and three percent CO₂. Steelhead trout embryonic cells were found to grow best at 18° and 23° C. Twenty-eight and 35° C. were both lethal for these cells. Cultures incubated at 4° and 13° C. failed to grow. Twenty-five degrees centigrade was believed to be inhibitory for these cultures but not lethal. Observations indicated that the pH of the medium used to culture chinook salmon embryonic cells increased in alkalinity shortly after planting, followed by a slow decrease requiring approximately 28 days to reach values near neutrality. Cells of hepatoma tissue excised from adult rainbow trout were cultured and studied during the course of this work. A number of cultures have been grown under conditions of continuous cultivation. Five of these preparations are still viable and two have exceeded one year in culture. Close

• 9. [Article] Supplemental Description of Myxobolus squamalis (Myxozoa) & Epidemiology of M. squamalis at Two Oregon Hatcheries

  Myxobolus squamalis is a Myxozoan parasite of salmonids, which contributes to lowered fitness of hatchery and wild fish in the Pacific Northwest of North America. The only GenBank DNA sequence of M. squamalis ...

  Citation × Citation Citation Abstract Copy Title: Supplemental Description of Myxobolus squamalis (Myxozoa) & Epidemiology of M. squamalis at Two Oregon Hatcheries Author: Polley, Tamsen M. Myxobolus squamalis is a Myxozoan parasite of salmonids, which contributes to lowered fitness of hatchery and wild fish in the Pacific Northwest of North America. The only GenBank DNA sequence of M. squamalis is from Oncorhynchus tschawytscha (Chinook), but is not linked to a published morphological description. There is a range of salmonid Myxozoans with similar morphology to M. squamalis and we suspect that some “M. squamalis” observations from different host species might be invalid. We provide a clear re-description of M. squamalis from its type host, O. mykiss (rainbow trout and steelhead). Our results confirm the morphological and morphometric data of the original description, which we supplement with a SSU rRNA gene sequence. Based on this sequence, we developed a PCR assay for specific detection of M. squamalis DNA in environmental water samples. We used the assay to compare parasite levels in the water influent and effluent from two hatcheries that rear different salmon and trout species. Our approach allows for early M. squamalis detection, infection level estimates, and estimates for environmental impacts based upon spore release. Early detection of Myxozoan infections is crucial to hatchery and wild fish management, as there is no documented treatment for infected fish. Title: Supplemental Description of Myxobolus squamalis (Myxozoa) & Epidemiology of M. squamalis at Two Oregon Hatcheries Author: Polley, Tamsen M. Myxobolus squamalis is a Myxozoan parasite of salmonids, which contributes to lowered fitness of hatchery and wild fish in the Pacific Northwest of North America. The only GenBank DNA sequence of M. squamalis is from Oncorhynchus tschawytscha (Chinook), but is not linked to a published morphological description. There is a range of salmonid Myxozoans with similar morphology to M. squamalis and we suspect that some “M. squamalis” observations from different host species might be invalid. We provide a clear re-description of M. squamalis from its type host, O. mykiss (rainbow trout and steelhead). Our results confirm the morphological and morphometric data of the original description, which we supplement with a SSU rRNA gene sequence. Based on this sequence, we developed a PCR assay for specific detection of M. squamalis DNA in environmental water samples. We used the assay to compare parasite levels in the water influent and effluent from two hatcheries that rear different salmon and trout species. Our approach allows for early M. squamalis detection, infection level estimates, and estimates for environmental impacts based upon spore release. Early detection of Myxozoan infections is crucial to hatchery and wild fish management, as there is no documented treatment for infected fish. Close

• 10. [Article] Evaluation of a louver guidance facility used to sample salmon and trout emigrants

  The subject of this thesis is an evaluation of a louver facility in the Lemhi River, Idaho. The louver facility was designed to guide juvenile chinook salmon and steelhead trout into a trap in order to sample ...

  Citation × Citation Citation Abstract Copy Title: Evaluation of a louver guidance facility used to sample salmon and trout emigrants Author: Holubetz, Terry Bruce The subject of this thesis is an evaluation of a louver facility in the Lemhi River, Idaho. The louver facility was designed to guide juvenile chinook salmon and steelhead trout into a trap in order to sample downstream migrant populations. The study was designed to determine: (1) if the catch in the louver facility was a reliable index of emigrant population size, and (2) if an accurate estimate of the number of emigrants could be obtained through a mark-and-recapture program utilizing louver catches. The louver guidance facility provided a reliable method of estimating numbers of salmon and steelhead smolts that were emigrating from the upper Lemhi River. The louver facility collected a consistent proportion of the migrating chinook salmon and steethead trout smolts from the Lemhi River. Approximately 3 percent of the chinook smolts and 21 percent of the steelhead smolts were captured in the trap. Estimates of smolt numbers for both species were derived by expanding the louver-captured proportion. During 1965, an estimated 325,020 chinook smolts and 9,830 steelhead smolts emigrated from the upper Lemhi River. No estimates could be made for chinook fry emigrants. An estimated 98.6 percent of the steelhead smolts entering the louver facility were guided into the trap. An estimated 83.6 percent of the chinook smolts were guided into the trap. The guiding efficiency for chinook fry was estimated to be 20.2 percent. The efficiency of the louver system was greatest for large migrants and for periods when water temperature was high. The upstream migration barrier guided some steelhead smolts into the louver facility but did not guide chinook smolts. The majority of the chinook smolts migrated in the center portion of the stream. Title: Evaluation of a louver guidance facility used to sample salmon and trout emigrants Author: Holubetz, Terry Bruce The subject of this thesis is an evaluation of a louver facility in the Lemhi River, Idaho. The louver facility was designed to guide juvenile chinook salmon and steelhead trout into a trap in order to sample downstream migrant populations. The study was designed to determine: (1) if the catch in the louver facility was a reliable index of emigrant population size, and (2) if an accurate estimate of the number of emigrants could be obtained through a mark-and-recapture program utilizing louver catches. The louver guidance facility provided a reliable method of estimating numbers of salmon and steelhead smolts that were emigrating from the upper Lemhi River. The louver facility collected a consistent proportion of the migrating chinook salmon and steethead trout smolts from the Lemhi River. Approximately 3 percent of the chinook smolts and 21 percent of the steelhead smolts were captured in the trap. Estimates of smolt numbers for both species were derived by expanding the louver-captured proportion. During 1965, an estimated 325,020 chinook smolts and 9,830 steelhead smolts emigrated from the upper Lemhi River. No estimates could be made for chinook fry emigrants. An estimated 98.6 percent of the steelhead smolts entering the louver facility were guided into the trap. An estimated 83.6 percent of the chinook smolts were guided into the trap. The guiding efficiency for chinook fry was estimated to be 20.2 percent. The efficiency of the louver system was greatest for large migrants and for periods when water temperature was high. The upstream migration barrier guided some steelhead smolts into the louver facility but did not guide chinook smolts. The majority of the chinook smolts migrated in the center portion of the stream. Close