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Abstract -- Accurate estimates of female age or length at maturity are critical for the conservation of exploited fish stocks. Age at maturity is particularly important, as it strongly influences population ...
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Abstract -- Catch per unit effort data were gathered for three salt marsh restoration sub-basins, three mainstem river reference locations, and a salt marsh reference sub-basin. Report results cover May-Aug ...
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3. [Article] Evaluation of Juvenile Salmonid Outmigration and Survival in the Lower Umatilla River Basin; Annual Report 2009
Abstract -- In 2009, 3,745 natural and 28,880 hatchery smolts were collected in the juvenile bypass facility at Three Mile Falls Dam (TMFD). A total of 2,876 PIT tagged juvenile salmon and steelhead and ...Citation -
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...
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Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...
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Abstract -- The juvenile life history of coho salmon Oncorhynchus kisutch in the stream-estuary ecotone of Winchester Creek, South Slough, Oregon, was investigated in 1999–2001. Seines and a rotary screw ...
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7. [Article] LCMP - Juvenile Salmonid Outmigration in the Little North Fork Wilson and Little South Fork Kilchis Rivers - 2001
Abstract -- Since 1998, as part of the Oregon Plan for Salmon and Watersheds, the Oregon Department of Fish and Wildlife (ODFW) has monitored downstream migration of juvenile salmonids (Oncorhynchus spp.) ...Citation -
Abstract -- Scale and otolith analyses were used to determine if high marine survival estimates observed for coho salmon at an Oregon Department of Fish and Wildlife Life Cycle Monitoring Project site ...
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Abstract -- This project provides information as directed under two measures of the Columbia Basin Fish and Wildlife Program (NPPC 1994). Measure 4.3C specifies that the key indicator populations should ...
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Abstract -- Since 2000, ODFW’s Marine Resources Program has been collecting female maturity data on a variety of groundfish species in an effort to improve the maturity data available for use in stock ...
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Abstract -- Borax Lake chub (Gila boraxobius) is represented by a single population that inhabits a 4.1 hectare geothermally-heated alkaline lake in Harney County, Oregon. The Borax Lake chub is a small ...
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12. [Article] Standard operating procedures for collection and preparation of fish scales and data management
Abstract -- The project maintains high standards of quality in estimation of life history parameters, based on reads of fish scales, including accuracy, precision and efficiency from sample and data handling ...Citation -
13. [Article] Development of a system-wide Predator Control Program: Indexing and Fisheries Evaluation - Columbia and Snake Rivers
Abstract -- The Northern Pikeminnow Management Program (NPMP), a fishery aimed at reducing predation on juvenile salmonids by northern pikeminnow (Ptychocheilus oregonensis), was implemented for the 16th ...Citation -
14. [Article] Grande Ronde River Subbasin Salmonid Juvenile Life History Study - Migratory Year 2016
Abstract -- Field data from the Grande Ronde River Subbasin (northeast Oregon) for a study designed to document and describe status and life history strategies of spring Chinook salmon and summer steelhead. ...Citation -
15. [Article] Little Sheep Creek, Imnaha River Subbasin, Rotary Screw Trap Data - Migratory Year 2016
Abstract -- Field data from Little Sheep Creek, Imnaha River Subbasin (northeast Oregon)for a project designed to collect tissue samples from and enumerate summer steelhead outmigrants for an ongoing study ...Citation -
16. [Article] 2016 Oregon pink shrimp biological sampling data
Abstract -- The Oregon pink shrimp fishery depends on Virtual Population Analysis (VPA) to form a Virtual Population Estimate (VPE) for appropriate management. Two key metrics are incorporated into each ...Citation -
Abstract -- This reports summarizes the sampling activities and results from a fall 2004 research cruise to investigate selected aspects of the ecology of the ocean shrimp (Pandalus jordani) grounds as ...
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18. [Article] 2017 Oregon pink shrimp biological sampling data
Abstract -- The Oregon pink shrimp fishery depends on Virtual Population Analysis (VPA) to form a Virtual Population Estimate (VPE) for appropriate management. Two key metrics are incorporated into each ...Citation -
Abstract -- In 1991, the Oregon Department of Fish and Wildlife (ODFW) began an intensive research study at Tenmile Creek on the central Oregon coast to evaluate the effects of a large wood addition on ...
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20. [Article] Lower Snake River Compensation Plan; Oregon Spring Chinook Salmon Evaluation Studies - 2014 Annual Progress Report
Abstract -- This annual progress report summarizes spring-summer Chinook Salmon monitoring data collected by ODFW for the Lower Snake River Compensation Plan (LSRCP) facilities in 2014. Also summarized ...Citation -
Abstract -- Using a variable probability sampling design, streams throughout the entire range of Great Basin redband trout (Oncorhynchus mykiss ssp.) were randomly sampled use the EMAP sampling protocol, ...
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22. [Article] Escapement and Productivity of Spring Chinook and Summer Steelhead in the John Day River Basin - Annual Report 2003
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
23. [Article] Escapement and Productivity of Spring Chinook and Summer Steelhead in the John Day River Basin - Annual Report 2004
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
24. [Article] Escapement and Productivity of Spring Chinook and Summer Steelhead in the John Day River Basin - Technical Report 2005
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...
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26. [Article] Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin - Annual Technical Report 2007
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
27. [Article] Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin - Annual Technical Report 2008
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
28. [Article] Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin - Annual Technical Report 2009
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
29. [Article] Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin - Annual Technical Report 2010
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
30. [Article] Productivity of Spring Chinook Salmon and Summer Steelhead in the John Day River Basin - Annual Technical Report 2011
Abstract -- The John Day River subbasin supports one of the last remaining intact wild populations of spring Chinook salmon and summer steelhead in the Columbia River Basin. These populations, however, ...Citation -
Abstract -- Spring (stream-type) chinook spawning ground surveys were conducted in four main spawning areas (Mainstem, Middle Fork, North Fork, and Granite Creek System) and three minor spawning areas ...
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Abstract -- The Imnaha River Chinook salmon (Oncorhynchus tshawytscha) population has been supplemented with hatchery salmon since the 1982 brood year, when wild Imnaha River adults were first captured ...
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Abstract -- The summer 2009 field season marked the completion of the third of a six year sampling effort to assess the distribution and abundance of redband trout (Oncorhynchus mykiss newberrii) in the ...
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Abstract -- Rotary screw traps, located at four sites in the Grande Ronde River basin, were used to characterize aspects of early life history exhibited by juvenile Onchorhychus mykiss during migration ...
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Abstract -- In 1990 the author, a former Oregon Department of Fish and Wildlife (ODFW) career fish biologist, retired and began gathering material to pen a brief description of Oregon's Cascade Mountain ...
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36. [Article] Crooked River Fish Management Plan 1979
Abstract -- The Crooked River is a major tributary to the Deschutes River and has the habitat to produce a good rainbow trout population, especially between Prineville Dam and Rice-Baldwin Dam. However, ...Citation -
37. [Article] Migration and Passage of Redband Trout in the Donner und Blitzen River, 2007-2009, Information Reports Number 2009-05
Abstract -- Movement of redband trout (Oncorhynchus mykiss gairdneri) was tracked between March 2007 and June 2009 in the Donner und Blitzen River (Blitzen River). We had three primary study objectives: ...Citation -
38. [Article] Lower Snake River Compensation Plan; Oregon Spring Chinook Salmon Evaluation Studies - 2013 Annual Progress Report
Abstract -- This annual progress report summarizes spring Chinook Salmon monitoring data collected by ODFW for the Lower Snake River Compensation Plan (LSRCP) facilities in 2013. Also summarized are the ...Citation -
39. [Article] CRTCP - Monitoring of Downstream Fish Passage at Cougar Dam in the South Fork McKenzie River, Oregon 1998-00
Abstract -- In 1993, Oregon Department of Fish and Wildlife (ODFW) began placing adult chinook salmon that were excess to hatchery operations at McKenzie and Willamette Hatchery above Cougar Dam in an ...Citation -
Abstract -- The Salmon River estuary, on the central Oregon coast, provides an excellent opportunity to study salmonid use of restored tidal marsh. The U.S. Forest Service manages the estuary as part of ...
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Abstract -- In 1991, Oregon saw the first commercial landings from a new fishery targeting widow rockfish (Sebastes entomelas) with midwater trawl gear on Cobb Seamount, approximately 280 nautical miles ...
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Abstract -- To improve post-release survival in nature, salmon hatcheries have begun to better simulate natural conditions, such as increasing the flow rate in raceways to a rate similar to that seen in ...
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Abstract -- Several long-lived, late-maturing rockfish (Sebastes) species found off the U.S. west coast have been seriously depleted by overfishing and are managed under long-term rebuilding plans that ...
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44. [Article] Lower Snake River Compensation Plan; Oregon Spring Chinook Salmon Evaluation Studies - 2011 Annual Progress Report
Abstract -- This annual progress report summarizes spring Chinook salmon monitoring data collected by ODFW for the Lower Snake River Compensation Plan (LSRCP) facilities in 2011. Also summarized are the ...Citation -
45. [Article] Lower Snake River Compensation Plan; Oregon Spring Chinook Salmon Evaluation Studies - 2012 Annual Progress Report
Abstract -- This annual progress report summarizes spring Chinook salmon monitoring data collected by ODFW for the Lower Snake River Compensation Plan (LSRCP) facilities in 2012. Also summarized are the ...Citation -
46. [Article] Chinook Salmon Productivity and Escapement Monitoring in the John Day River Basin - Annual Technical Report 2007
Abstract -- Juvenile spring Chinook and steelhead migrants were captured at three rotary screw trap sites and while seining in the Mainstem John Day River to estimate abundance, smolt-to-adult survival ...Citation -
47. [Article] Chinook Salmon Productivity and Escapement Monitoring in the John Day River Basin - Annual Technical Report 2008
Abstract -- Juvenile spring Chinook and steelhead migrants were captured at three rotary screw trap sites and while seining in the Mainstem John Day River to estimate abundance, smolt-to-adult survival ...Citation -
48. [Article] Chinook Salmon Productivity and Escapement Monitoring in the John Day River Basin - Annual Technical Report 2009
Abstract -- Juvenile spring Chinook and steelhead migrants were captured at three rotary screw trap sites and while seining in the Mainstem John Day River to estimate abundance, smolt-to-adult survival ...Citation -
49. [Article] Chinook Salmon Productivity and Escapement Monitoring in the John Day River Basin - Annual Technical Report 2010
Abstract -- Juvenile spring Chinook and steelhead migrants were captured at three rotary screw trap sites and while seining in the Mainstem John Day River to estimate abundance, smolt-to-adult survival ...Citation -
50. [Article] Chinook Salmon Productivity and Escapement Monitoring in the John Day River Basin - Annual Technical Report 2011
Abstract -- Juvenile spring Chinook and steelhead migrants were captured at two rotary screw trap sites and while seining in the Mainstem John Day River to estimate abundance, smolt-to-adult survival (SAR), ...Citation