Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon in the Grande Ronde Riiver Basin : Fish Research Project Oregon : Annual Progress Report 1 September 1995 to 1 August 1996.

Jonasson, Brian C.; Carmichael, Richard W.; Keefe, MaryLouise

doi:10.2172/650229

Cited by 7 publications

(12 citation statements)

References 7 publications

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“…Data from Lookingglass Creek (Burck 1993), Catherine Creek, Grande Ronde River, and Lostine River (Keefe et al 1994(Keefe et al , 1995Jonasson et al 1997, Van Dyke et al 2001) indicate a substantial number of juveniles move out of upper rearing areas during fall and overwinter downstream within the Grande Ronde River Subbasin. The proportion of the total migrant population these early migrants represent, and their survival to Snake and Columbia River dams varies among years and streams.…”

Section: Introductionmentioning

confidence: 99%

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Subbasin, Annual Report 2008 : Project Period 1 February 2008 to 31 January 2009.

Yanke¹,

Alfonse²,

Bratcher

2009

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This study was designed to document and describe the status and life history strategies of spring Chinook salmon and summer steelhead in the Grande Ronde River Subbasin. We determined migration timing, abundance, and life-stage survival rates for juvenile spring Chinook salmon Oncorhynchus tshawytscha and summer steelhead O. mykiss in four streams during migratory year 2008 from 1 July 2007 through 30 June 2008. As observed in previous years of this study, spring Chinook salmon and steelhead exhibited fall and spring movements out of natal rearing areas, but did not begin their smolt migration through the Snake and lower Columbia River hydrosystem until spring. In this report we provide estimates of migrant abundance and migration timing for each study stream, and their survival and timing to Lower Granite Dam. We also document aquatic habitat conditions using water temperature and stream flow in four study streams in the subbasin.i CONTENTS

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Section: Introductionmentioning

confidence: 99%

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Subbasin, Annual Report 2008 : Project Period 1 February 2008 to 31 January 2009.

Yanke¹,

Alfonse²,

Bratcher

2009

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“…Data from Lookingglass Creek (Burck 1993) and Catherine Creek, the Grande Ronde River and the Lostine River Jonasson et al 1996Jonasson et al , 1997Jonasson et al , 1999Tranquilli et al 1998;and Monzyk et al 2000) indicate a substantial number of juveniles move out of upper rearing areas during fall and overwinter downstream within the Grande Ronde basin. The proportion of the total migrant population these early migrants represent, and their survival to Snake and Columbia river dams, varies among years and streams.…”

Section: Introductionmentioning

confidence: 99%

“…It is reasonable to suggest that salmon overwintering in degraded habitat may be subject to increased mortality due to the limited ability of the habitat to buffer against environmental extremes. The fall migration from upper rearing areas in Catherine Creek constitutes a substantial portion of the juvenile production , Jonasson et al 1996. Therefore winter rearing habitat quantity and quality in the Grande Ronde valley may be important factors limiting spring chinook salmon smolt production in the Grande Ronde River.…”

Section: Introductionmentioning

confidence: 99%

Investigations into the Early Life-history of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Basin, Annual Report 2001.

Reischauer¹,

Monzyk²,

Dyke³

2003

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“…Data from Lookingglass Creek (Burck 1993) and Catherine Creek, the Grande Ronde River and the Lostine River Jonasson et al 1996Jonasson et al , 1997and Tranquilli et al 1998) indicate a substantial number of juveniles move out of upper rearing areas during fall and overwinter downstream within the Grande Ronde basin. The proportion of fall migrants in each population, and their survival to Snake and Columbia river dams, varies among years and streams.…”

Section: Introductionmentioning

confidence: 99%

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon in the Grande Ronde River Basin : Fish Research Project Oregon : Annual Progress Report Project Period 1 September 1998 to 31 August 1999.

Jonasson¹

2000

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We determined migration timing and abundance of juvenile spring chinook salmon from three populations in the Grande Ronde River basin. We estimated 13,180 juvenile chinook salmon left upper rearing areas of the Grande Ronde River from July 1998 to June 1999; approximately 0.2% of the migrants left in summer, 18% in fall and 82% in spring. We estimated 15,949 juvenile chinook salmon left upper rearing areas of Catherine Creek from July 1998 to June 1999; approximately 0.2% of the migrants left in summer, 57% in fall, 2% in winter, and 41% in spring. We estimated 14,537 juvenile chinook salmon left the Grande Ronde Valley, located below the upper rearing areas in Catherine Creek and the Grande Ronde River, from October 1998 to June 1999; approximately 99% of the migrants left in spring. We estimated 31,113 juvenile chinook salmon left upper rearing areas of the Lostine River from July 1998 to June 1999; approximately 4% of the migrants left in summer, 57% in fall, 3% in winter, and 36% in spring. We estimated 42,705 juvenile spring chinook salmon left the Wallowa Valley, located below the mouth of the Lostine River, from August 1998 to June 1999; approximately 46% of the migrants left in fall, 6% in winter, and 47% in spring.Juvenile chinook salmon PIT-tagged on the upper Grande Ronde River were detected at Lower Granite Dam from 31 March to 20 June 1999, with a median passage date of 5 May. PITtagged salmon from Catherine Creek were detected at Lower Granite Dam from 19 April to 9 July 1999, with a median passage date of 24 May. PIT-tagged salmon from the Lostine River were detected at Lower Granite Dam from 31 March through 8 July 1999, with a median passage date of 4 May. Juveniles tagged as they left the upper rearing areas of the Grande Ronde River in fall and that overwintered in areas downstream were detected in the hydrosystem at a higher rate than fish tagged during winter in the upper rearing areas, indicating a higher overwinter survival in the downstream areas. Juveniles tagged as they left the upper rearing areas of Catherine Creek in fall and that overwintered in areas downstream were detected in the hydrosystem at a lower rate than fish tagged during winter in the upper rearing areas, indicating a higher overwinter survival in the upper rearing areas. Juveniles tagged as they left the upper rearing areas of the Lostine River in fall and that overwintered in areas downstream were detected in the hydrosystem at a similar rate to fish tagged during winter in the upper rearing areas, indicating similar overwinter survival in the upstream and downstream areas.Chinook salmon parr were generally associated with low velocity habitat types, that is pools, during both winter and summer in the Lostine River.In summer 1998, we PIT-tagged parr on Catherine Creek and the Imnaha, Lostine, and Minam rivers in order to monitor their subsequent migration as smolts through the Snake and Columbia River hydrosystem. We found significant differences among populations in smolt migration timing at Lower Granite Dam...

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Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon in the Grande Ronde Riiver Basin : Fish Research Project Oregon : Annual Progress Report 1 September 1995 to 1 August 1996.

Cited by 7 publications

References 7 publications

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Subbasin, Annual Report 2008 : Project Period 1 February 2008 to 31 January 2009.

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Subbasin, Annual Report 2008 : Project Period 1 February 2008 to 31 January 2009.

Investigations into the Early Life-history of Naturally Produced Spring Chinook Salmon and Summer Steelhead in the Grande Ronde River Basin, Annual Report 2001.

Investigations into the Early Life History of Naturally Produced Spring Chinook Salmon in the Grande Ronde River Basin : Fish Research Project Oregon : Annual Progress Report Project Period 1 September 1998 to 31 August 1999.

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