Search

Search Results

• 1. [Article] Lateral Channel Migration, Downcutting and Restoration Potential of the North Fork Siuslaw River

  Abstract -- The report contains information on the study's methodology, geologic setting of the North Fork Siuslaw River, recent history of the North Fork Siuslaw River, current condition, channel information, ...

  Citation × Citation Citation Abstract Copy Title: Lateral Channel Migration, Downcutting and Restoration Potential of the North Fork Siuslaw River Abstract -- The report contains information on the study's methodology, geologic setting of the North Fork Siuslaw River, recent history of the North Fork Siuslaw River, current condition, channel information, and what can be done to enhance the River. Title: Lateral Channel Migration, Downcutting and Restoration Potential of the North Fork Siuslaw River Abstract -- The report contains information on the study's methodology, geologic setting of the North Fork Siuslaw River, recent history of the North Fork Siuslaw River, current condition, channel information, and what can be done to enhance the River. Close

• 2. [Article] Fish Management Plan Siuslaw River 1979

  Abstract -- The Siuslaw River is a large system entering the Pacific Ocean near Florence. The system contains about 950 miles of stream and produces resident and anadromous cutthroat trout,winter steelhead, ...

  Citation × Citation Citation Abstract Copy Title: Fish Management Plan Siuslaw River 1979 Abstract -- The Siuslaw River is a large system entering the Pacific Ocean near Florence. The system contains about 950 miles of stream and produces resident and anadromous cutthroat trout,winter steelhead, and coho and fall chinook salmon. Small numbers of spring chinook are found in the system and shad and striped bass are also present. Good numbers of wild fish of all species are produced in the Siuslaw and ODFW annually releases sea-run cutthroat and winter steelhead. Extensive fisheries have developed on this combination of wild and hatchery fish. There are no special angling regulations in effect at present other than an angling deadline on Lake Creek. Three private salmon hatcheries have received permits to release fish into the Siuslaw. Although these facilities have not yet obtained significant returns of adults, the potential exists for large numbers of hatchery adults to return to the system. In July 1979, the Oregon Fish and Wildlife Commission accepted the Department's recommendation to manage the Siuslaw River system, except for Triangle Lake and its tributaries, for wild and hatchery trout, steelhead, and salmon. Hatchery fish will be released in areas and at sizes and times to maximize their contribution to the sport fisheries in the system and to minimize their impact on the extensive wild fish populations present. Trout populations in Triangle Lake and its tributaries will be managed for wild fish. Title: Fish Management Plan Siuslaw River 1979 Abstract -- The Siuslaw River is a large system entering the Pacific Ocean near Florence. The system contains about 950 miles of stream and produces resident and anadromous cutthroat trout,winter steelhead, and coho and fall chinook salmon. Small numbers of spring chinook are found in the system and shad and striped bass are also present. Good numbers of wild fish of all species are produced in the Siuslaw and ODFW annually releases sea-run cutthroat and winter steelhead. Extensive fisheries have developed on this combination of wild and hatchery fish. There are no special angling regulations in effect at present other than an angling deadline on Lake Creek. Three private salmon hatcheries have received permits to release fish into the Siuslaw. Although these facilities have not yet obtained significant returns of adults, the potential exists for large numbers of hatchery adults to return to the system. In July 1979, the Oregon Fish and Wildlife Commission accepted the Department's recommendation to manage the Siuslaw River system, except for Triangle Lake and its tributaries, for wild and hatchery trout, steelhead, and salmon. Hatchery fish will be released in areas and at sizes and times to maximize their contribution to the sport fisheries in the system and to minimize their impact on the extensive wild fish populations present. Trout populations in Triangle Lake and its tributaries will be managed for wild fish. Close

• 3. [Article] Siuslaw River Basin Fish Management Plan 1997

  Abstract -- The Siuslaw River Basin is one in a series of similar watersheds in the Oregon coastal mountain range extending from the Nehalem to the Coquille. Rivers and streams in these watersheds generally ...

  Citation × Citation Citation Abstract Copy Title: Siuslaw River Basin Fish Management Plan 1997 Abstract -- The Siuslaw River Basin is one in a series of similar watersheds in the Oregon coastal mountain range extending from the Nehalem to the Coquille. Rivers and streams in these watersheds generally occur in a forest dominated landscape, have moderate gradients, and medium to large estuaries. There are few dams that substantially affect anadromous fish runs. Water withdrawals impact only a small portion of the total miles of stream habitat. Water quality and temperatures are suitable for salmonids for the entire year in most areas. Rainfall throughout the area is heavy, resulting in a high density of streams relative to watershed area. The Siuslaw River system alone has over one thousand contiguous miles of stream suitable for salmonids. Some of these stream reaches are highly productive, while others are severely degraded. Title: Siuslaw River Basin Fish Management Plan 1997 Abstract -- The Siuslaw River Basin is one in a series of similar watersheds in the Oregon coastal mountain range extending from the Nehalem to the Coquille. Rivers and streams in these watersheds generally occur in a forest dominated landscape, have moderate gradients, and medium to large estuaries. There are few dams that substantially affect anadromous fish runs. Water withdrawals impact only a small portion of the total miles of stream habitat. Water quality and temperatures are suitable for salmonids for the entire year in most areas. Rainfall throughout the area is heavy, resulting in a high density of streams relative to watershed area. The Siuslaw River system alone has over one thousand contiguous miles of stream suitable for salmonids. Some of these stream reaches are highly productive, while others are severely degraded. Close

• 4. [Article] Summary Report The 1997 Siuslaw Winter Steelhead Broodstock Project

  Abstract -- The Oregon Department of Fish and Wildlife(ODFW) has maintained a hatchery program to supplement the winter steelhead fishery in the Siuslaw River system since 1964. Until recently the stock ...

  Citation × Citation Citation Abstract Copy Title: Summary Report The 1997 Siuslaw Winter Steelhead Broodstock Project Abstract -- The Oregon Department of Fish and Wildlife(ODFW) has maintained a hatchery program to supplement the winter steelhead fishery in the Siuslaw River system since 1964. Until recently the stock of winter steelhead for the Siuslaw hatchery program was the Alsea stock raised at Alsea Hatchery. In recent years several concerns have surfaced regarding the appropriateness of using Alsea stock steelhead in the Siuslaw basin. It was observed that large numbers of hatchery fish were spawning with wild fish. The concern was that hatchery steelhead were poorly adapted to the wild environment. It was also learned that large numbers of hatchery steelhead released in the Siuslaw basin strayed to other smaller coastal tributaries such as the Yachats River, Tenmile Creek and Cape Creek. Both these issues caused the Siuslaw winter steelhead hatchery program to be out of compliance with the ODFW Wild Fish Management Policy(WFMP). The WFMP sets guidelines for hatchery programs to protect the genetic integrity of wild fish populations. Title: Summary Report The 1997 Siuslaw Winter Steelhead Broodstock Project Abstract -- The Oregon Department of Fish and Wildlife(ODFW) has maintained a hatchery program to supplement the winter steelhead fishery in the Siuslaw River system since 1964. Until recently the stock of winter steelhead for the Siuslaw hatchery program was the Alsea stock raised at Alsea Hatchery. In recent years several concerns have surfaced regarding the appropriateness of using Alsea stock steelhead in the Siuslaw basin. It was observed that large numbers of hatchery fish were spawning with wild fish. The concern was that hatchery steelhead were poorly adapted to the wild environment. It was also learned that large numbers of hatchery steelhead released in the Siuslaw basin strayed to other smaller coastal tributaries such as the Yachats River, Tenmile Creek and Cape Creek. Both these issues caused the Siuslaw winter steelhead hatchery program to be out of compliance with the ODFW Wild Fish Management Policy(WFMP). The WFMP sets guidelines for hatchery programs to protect the genetic integrity of wild fish populations. Close

• 5. [Article] Mid-Coast Small Ocean Tributary Streams Fish Management Plan 1997

  Abstract -- The Fish Management Policy of the Oregon Department of Fish and Wildlife (ODFW) requires that management plans be prepared for each basin or management unit. The MidCoast Small Ocean Tributary ...

  Citation × Citation Citation Abstract Copy Title: Mid-Coast Small Ocean Tributary Streams Fish Management Plan 1997 Abstract -- The Fish Management Policy of the Oregon Department of Fish and Wildlife (ODFW) requires that management plans be prepared for each basin or management unit. The MidCoast Small Ocean Tributary Streams Fish Management Plan (hereafter referred to as the Ocean Tributaries Plan) was developed to direct management of the fish resources of Beaver Creek, Cummins Creek, Bob Creek, Tenmile Creek, Rock Creek, Big Creek, Cape Creek, and all other mid-coast small ocean tributary streams except those systems containing lakes or reservoirs. The Ocean Tributaries Plan is one of several Oregon mid-coast basin plans developed by ODFW. Other plans have been developed for the Salmon River, Siletz River, Yaquina River, Alsea River, Yachats River and Siuslaw River basins. ODFW is committed to the planning process as an integral part of all current and future management by the agency. Species plans for coho, coastal chinook, steelhead, trout and warmwater game fish have been adopted. These statewide plans guide the development of more localized plans for individual river basins and sub-basins. Title: Mid-Coast Small Ocean Tributary Streams Fish Management Plan 1997 Abstract -- The Fish Management Policy of the Oregon Department of Fish and Wildlife (ODFW) requires that management plans be prepared for each basin or management unit. The MidCoast Small Ocean Tributary Streams Fish Management Plan (hereafter referred to as the Ocean Tributaries Plan) was developed to direct management of the fish resources of Beaver Creek, Cummins Creek, Bob Creek, Tenmile Creek, Rock Creek, Big Creek, Cape Creek, and all other mid-coast small ocean tributary streams except those systems containing lakes or reservoirs. The Ocean Tributaries Plan is one of several Oregon mid-coast basin plans developed by ODFW. Other plans have been developed for the Salmon River, Siletz River, Yaquina River, Alsea River, Yachats River and Siuslaw River basins. ODFW is committed to the planning process as an integral part of all current and future management by the agency. Species plans for coho, coastal chinook, steelhead, trout and warmwater game fish have been adopted. These statewide plans guide the development of more localized plans for individual river basins and sub-basins. Close

• 6. [Article] Using Calibrated Index Surveys to Estimate Chinook Spawner Escapement into the Salmon River, Oregon Information Report number 2012-01

  Abstract -- The Pacific Salmon Commission has designated the Salmon River hatchery stock of fall Chinook as an Exploitation Rate Indicator Stock (ERIS) for all 16 naturally produced stocks of fall Chinook ...

  Citation × Citation Citation Abstract Copy Title: Using Calibrated Index Surveys to Estimate Chinook Spawner Escapement into the Salmon River, Oregon Information Report number 2012-01 Abstract -- The Pacific Salmon Commission has designated the Salmon River hatchery stock of fall Chinook as an Exploitation Rate Indicator Stock (ERIS) for all 16 naturally produced stocks of fall Chinook on Oregon’s north coast. The Pacific Salmon Treaty (PST) specifies the necessity of these stocks to model the effects of mixed stock fisheries on wild Chinook salmon. The ocean migration patterns and catch rates of this stock are thought to closely resemble Oregon’s north migrating Chinook from coastal basins ranging from the Necanicum River in the north to the Siuslaw River in the south. A relatively long and continuous history of mark and recapture experiments with corresponding extensive spawning ground surveys and harvest estimates from a fresh water creel, serves as the foundation for a predictive model of spawner abundance. Peak counts from two spawning ground surveys were identified as an index that strongly correlates with relatively precise abundance estimates derived from a Peterson two event mark-recapture model. Index surveys are less labor intensive than previous mark-recapture activities, and evidence suggests they are an efficient and cost effective method to estimate spawner abundance. Title: Using Calibrated Index Surveys to Estimate Chinook Spawner Escapement into the Salmon River, Oregon Information Report number 2012-01 Abstract -- The Pacific Salmon Commission has designated the Salmon River hatchery stock of fall Chinook as an Exploitation Rate Indicator Stock (ERIS) for all 16 naturally produced stocks of fall Chinook on Oregon’s north coast. The Pacific Salmon Treaty (PST) specifies the necessity of these stocks to model the effects of mixed stock fisheries on wild Chinook salmon. The ocean migration patterns and catch rates of this stock are thought to closely resemble Oregon’s north migrating Chinook from coastal basins ranging from the Necanicum River in the north to the Siuslaw River in the south. A relatively long and continuous history of mark and recapture experiments with corresponding extensive spawning ground surveys and harvest estimates from a fresh water creel, serves as the foundation for a predictive model of spawner abundance. Peak counts from two spawning ground surveys were identified as an index that strongly correlates with relatively precise abundance estimates derived from a Peterson two event mark-recapture model. Index surveys are less labor intensive than previous mark-recapture activities, and evidence suggests they are an efficient and cost effective method to estimate spawner abundance. Close

• 7. [Article] Green Sturgeon Population Characteristics in Oregon, 1 October 2002 - 30 September 2003; Progress Reports 2003

  Abstract -- During May through August 2003, we used gill nets, seine nets, and an underwater video camera to attempt to capture adult and sub-adult green sturgeon Acipenser medirostris and white sturgeon ...

  Citation × Citation Citation Abstract Copy Title: Green Sturgeon Population Characteristics in Oregon, 1 October 2002 - 30 September 2003; Progress Reports 2003 Abstract -- During May through August 2003, we used gill nets, seine nets, and an underwater video camera to attempt to capture adult and sub-adult green sturgeon Acipenser medirostris and white sturgeon Acipenser transmontanus in the Umpqua River, Coos River, Coquille River, Siuslaw River, and Yaquina River, Oregon. We set 66 static gill nets for an average 1.0 hand captured no green sturgeon and 8 individual white sturgeon (114-181 cm FL). We deployed 17 seine nets for an average 0.1 hand captured no sturgeon. We deployed the underwater camera 21 times for 0.1-0.8 hand observed no sturgeon. Unmarked sturgeon were tagged with spaghetti and passive integrated transponder (PIT) tags. Field staff from Oregon Department of Fish and Wildlife's Gold Beach office sampled green sturgeon in the Rogue River. Fifty unmarked green sturgeon (136-197 cm FL) were captured in gill nets and one unmarked green sturgeon was captured angling (147 cm FL). Forty-eight of the unmarked sturgeon were tagged with spaghetti tags and 47 were tagged with PIT tags. Of these, 5 were recaptured once and 1 was a recapture from the previous year. Thirty-five fish were radio tagged, sonic tagged, or both. One juvenile green sturgeon (17-cm TL) was captured during beach-seine sampling. We interpreted ages of 27 green sturgeon from pectoral fin-spine sections collected by Oregon Depar,tment of Fish and Wildlife, Columbia River Management staff during Oregon coastal estuary sampling and estimated parameters of Von Bertalanffy growth functions using these and previously collected data. Title: Green Sturgeon Population Characteristics in Oregon, 1 October 2002 - 30 September 2003; Progress Reports 2003 Abstract -- During May through August 2003, we used gill nets, seine nets, and an underwater video camera to attempt to capture adult and sub-adult green sturgeon Acipenser medirostris and white sturgeon Acipenser transmontanus in the Umpqua River, Coos River, Coquille River, Siuslaw River, and Yaquina River, Oregon. We set 66 static gill nets for an average 1.0 hand captured no green sturgeon and 8 individual white sturgeon (114-181 cm FL). We deployed 17 seine nets for an average 0.1 hand captured no sturgeon. We deployed the underwater camera 21 times for 0.1-0.8 hand observed no sturgeon. Unmarked sturgeon were tagged with spaghetti and passive integrated transponder (PIT) tags. Field staff from Oregon Department of Fish and Wildlife's Gold Beach office sampled green sturgeon in the Rogue River. Fifty unmarked green sturgeon (136-197 cm FL) were captured in gill nets and one unmarked green sturgeon was captured angling (147 cm FL). Forty-eight of the unmarked sturgeon were tagged with spaghetti tags and 47 were tagged with PIT tags. Of these, 5 were recaptured once and 1 was a recapture from the previous year. Thirty-five fish were radio tagged, sonic tagged, or both. One juvenile green sturgeon (17-cm TL) was captured during beach-seine sampling. We interpreted ages of 27 green sturgeon from pectoral fin-spine sections collected by Oregon Depar,tment of Fish and Wildlife, Columbia River Management staff during Oregon coastal estuary sampling and estimated parameters of Von Bertalanffy growth functions using these and previously collected data. Close

• 8. [Article] East Fork Millicoma River GRAIP Road Assessment and Sediment Reduction Plan

  Abstract -- The purpose of this project was to identify fish passage, road drainage, and road erosion hazards in the East Fork Millicoma River, near Allegany, Oregon. The Coos Watershed Association (CoosWA), ...

  Citation × Citation Citation Abstract Copy Title: East Fork Millicoma River GRAIP Road Assessment and Sediment Reduction Plan Abstract -- The purpose of this project was to identify fish passage, road drainage, and road erosion hazards in the East Fork Millicoma River, near Allegany, Oregon. The Coos Watershed Association (CoosWA), funded by two grants from the Oregon Watershed Enhancement Board (OWEB), the Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians (CTCLUSI), and Weyerhaeuser Company evaluated 793 km of the 853 km road system surrounding the East Fork Millicoma River. We used the Geomorphic Road Analysis and Inventory Package (GRAIP), designed by the U.S. Forest Service, which evaluates surface erosion, gully risk, landslide risk and stream crossing failure risks. Additionally, CoosWA surveyors recorded information on road features to develop a database to be used for long-term-road asset management. Title: East Fork Millicoma River GRAIP Road Assessment and Sediment Reduction Plan Abstract -- The purpose of this project was to identify fish passage, road drainage, and road erosion hazards in the East Fork Millicoma River, near Allegany, Oregon. The Coos Watershed Association (CoosWA), funded by two grants from the Oregon Watershed Enhancement Board (OWEB), the Confederated Tribes of the Coos, Lower Umpqua and Siuslaw Indians (CTCLUSI), and Weyerhaeuser Company evaluated 793 km of the 853 km road system surrounding the East Fork Millicoma River. We used the Geomorphic Road Analysis and Inventory Package (GRAIP), designed by the U.S. Forest Service, which evaluates surface erosion, gully risk, landslide risk and stream crossing failure risks. Additionally, CoosWA surveyors recorded information on road features to develop a database to be used for long-term-road asset management. Close

• 9. [Article] Lower Umpqua Watershed Analysis, 1997

  Abstract -- This analysis of the Lower Umpqua River watershed (2% of the total Umpqua River drainage area) in the southern Coast Range includes watershed characterization, issues, inherent landscape instability, ...

  Citation × Citation Citation Abstract Copy Title: Lower Umpqua Watershed Analysis, 1997 Abstract -- This analysis of the Lower Umpqua River watershed (2% of the total Umpqua River drainage area) in the southern Coast Range includes watershed characterization, issues, inherent landscape instability, aquatic species' habitat and population, terrestrial species' habitat and population, and restoration opportunities. This analysis was conducted by Siuslaw National Forest personnel with assistance from the Bureau of Land Management - Coos Bay District. The analysis was focused on fisheries and wildlife issues. The existing resource conditions were compared to expected natural conditions to assess trends in resource conditions. From this information, a strategy of restoration opportunities to enhance resource conditions on federal lands was developed. Watershed Analysis is one of the key components of the Aquatic Conservation Strategy (ACS) developed for the Northwest Forest Plan (NFP) (USDA-USDI 1994). The analysis is intended to facilitate watershed planning that: 1) achieves Aquatic Conservation Strategy and Late-Successional Reserve objectives and 2) provides the basis for monitoring and restoration programs. Title: Lower Umpqua Watershed Analysis, 1997 Abstract -- This analysis of the Lower Umpqua River watershed (2% of the total Umpqua River drainage area) in the southern Coast Range includes watershed characterization, issues, inherent landscape instability, aquatic species' habitat and population, terrestrial species' habitat and population, and restoration opportunities. This analysis was conducted by Siuslaw National Forest personnel with assistance from the Bureau of Land Management - Coos Bay District. The analysis was focused on fisheries and wildlife issues. The existing resource conditions were compared to expected natural conditions to assess trends in resource conditions. From this information, a strategy of restoration opportunities to enhance resource conditions on federal lands was developed. Watershed Analysis is one of the key components of the Aquatic Conservation Strategy (ACS) developed for the Northwest Forest Plan (NFP) (USDA-USDI 1994). The analysis is intended to facilitate watershed planning that: 1) achieves Aquatic Conservation Strategy and Late-Successional Reserve objectives and 2) provides the basis for monitoring and restoration programs. Close

• 10. [Article] Status of Winter Rearing Habitat in Four Coho Population Units_ODFW AQI Winter Report Final 2008

  Abstract -- We described the status of habitat in four Oregon coastal coho salmon (Oncorhynchus kisutch) population units (Nehalem, Siuslaw, Coquille, South Umpqua) during winter 2007, estimated the potential ...

  Citation × Citation Citation Abstract Copy Title: Status of Winter Rearing Habitat in Four Coho Population Units_ODFW AQI Winter Report Final 2008 Abstract -- We described the status of habitat in four Oregon coastal coho salmon (Oncorhynchus kisutch) population units (Nehalem, Siuslaw, Coquille, South Umpqua) during winter 2007, estimated the potential winter rearing capacity of streams within those population units, and described the differences observed in stream habitat between winter and summer with emphasis on slow water and secondary channel habitats. Sample sites were randomly selected and spatially balanced within the distribution of coho salmon (juvenile and adult) in Oregon coastal watersheds south of the Columbia River. Twenty five sites were targeted within each of the four population units. Each survey was approximately 1000 m in length and adhered to protocols in Moore et al (2007). The Habitat Limiting Factors Model (HLFM) was used to estimate habitat capacity and quality for rearing juvenile coho. The HLFM predicted that the Nehalem and Siuslaw basins could support the highest density of juvenile coho, and the South Umpqua the least. Seasonal changes in habitat were similar to that reported in a previous study. Winter surveys facilitated the assessment of habitat status and estimating capacity because the surveys were conducted at the time when habitat is most limiting to survival of juvenile coho. Winter surveys were particularly valuable in capturing secondary channel and slow water habitat units such as beaver ponds and alcoves. We also performed a sensitivity analysis to determine the number of survey sites necessary to represent each population unit within the desired confidence range of 30% recommended in the Coho Conservation Plan. Twenty five target sites were not adequate to describe the winter parr capacity within a 95% confidence interval of +30% in each population unit. Confidence intervals of estimates of parr per km ranged from 34 to 60% and mean parr per m2 ranged from 20 to 45%. Title: Status of Winter Rearing Habitat in Four Coho Population Units_ODFW AQI Winter Report Final 2008 Abstract -- We described the status of habitat in four Oregon coastal coho salmon (Oncorhynchus kisutch) population units (Nehalem, Siuslaw, Coquille, South Umpqua) during winter 2007, estimated the potential winter rearing capacity of streams within those population units, and described the differences observed in stream habitat between winter and summer with emphasis on slow water and secondary channel habitats. Sample sites were randomly selected and spatially balanced within the distribution of coho salmon (juvenile and adult) in Oregon coastal watersheds south of the Columbia River. Twenty five sites were targeted within each of the four population units. Each survey was approximately 1000 m in length and adhered to protocols in Moore et al (2007). The Habitat Limiting Factors Model (HLFM) was used to estimate habitat capacity and quality for rearing juvenile coho. The HLFM predicted that the Nehalem and Siuslaw basins could support the highest density of juvenile coho, and the South Umpqua the least. Seasonal changes in habitat were similar to that reported in a previous study. Winter surveys facilitated the assessment of habitat status and estimating capacity because the surveys were conducted at the time when habitat is most limiting to survival of juvenile coho. Winter surveys were particularly valuable in capturing secondary channel and slow water habitat units such as beaver ponds and alcoves. We also performed a sensitivity analysis to determine the number of survey sites necessary to represent each population unit within the desired confidence range of 30% recommended in the Coho Conservation Plan. Twenty five target sites were not adequate to describe the winter parr capacity within a 95% confidence interval of +30% in each population unit. Confidence intervals of estimates of parr per km ranged from 34 to 60% and mean parr per m2 ranged from 20 to 45%. Close