Investigations Into The Early Life History Of Naturally Produced Spring Chinook Salmon and Summer Steelhead In The Grande Ronde River Basin - Annual Report 2000

Identification Information

Citation

Originator: Monzyk, F. R., B. C. Jonasson, E. S. Van Dyke, A. Reischauer, R. W. Carmichael

Publish Date: 2001

Online Link: https://www.cbfish.org/Document.mvc/Viewer/00003076-1

BPA Project #: 1992-026-04

Contact Information

Agency: Oregon Department of Fish and Wildlife

Name: Edwin (Ted) Sedell

Job Position: Project Leader

Telephone: 541-962-3954

E-Mail Address: Edwin.R.Sedell@odfw.oregon.gov

Description

Abstract: 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 in the Grande Ronde River Subbasin during migratory year 2000 from 1 July 1999 through 30 June 2000. As observed in previous years of this study, spring Chinook salmon and steelhead exhibited fall and spring movements out of their natal rearing areas, but did not begin their smolt migration through the Columbia River hydrosystem until spring. In this report we provide estimates of abundance and timing of migrants leaving each study stream, their survival and timing to Lower Granite Dam, and estimates of abundance of spring Chinook salmon parr and summer steelhead parr in Catherine Creek and spring Chinook salmon parr in Lostine River during summer. We also document the aquatic habitat conditions in the upper Grande Ronde River, water temperature and streamflow in four study streams, and macroinvertebrate assemblages in Catherine Creek. ODFW, Eastern Oregon Fish Research (EOFR)

Purpose: 1. Document the annual in-basin migration patterns, including abundance, timing, duration, and egg-to-migrant survival of juvenile spring chinook salmon in the upper Grande Ronde River, Catherine Creek and the Lostine River. 2. Estimate and compare dam detection rates and survival probabilities from tagging to smolt detection at mainstem Snake and Columbia river dams for juveniles that leave upper river rearing areas at different times of the year. 3. Estimate and compare detection rates and survival probabilities from tagging to detection at mainstem Columbia and Snake River dams for migrants from four local, natural populations in the Grande Ronde River and Imnaha River basins. 4. Document the annual migration patterns for spring chinook salmon juveniles from four local, natural populations in the Grande Ronde River and Imnaha River basins. 5. Determine survival to parr stage for spring chinook salmon in two local, natural populations in the Grande Ronde River Basin. 6. Investigate the significance of alternate life history strategies of spring chinook salmon in two local, natural populations in the Grande Ronde River Basin. 7. Document patterns of movement for juvenile O. mykiss from populations in Catherine Creek, the upper Grande Ronde River and the Lostine River, including data on migration timing, duration, and smolt abundance. 8. Estimate and compare smolt detection rates and survival probabilities to mainstem Columbia and Snake River dams for summer steelhead from Catherine Creek and the upper Grande Ronde and Lostine rivers. 9. Describe the population characteristics of the juvenile O. mykiss population in Catherine Creek including abundance, and age structure.

Time Period of Content: 1999-2000

Geographic Extent: Grande Ronde River basin, including Catherine Creek and the Upper Grande Ronde, Wallowa, and Lostine rivers.

Status: Final

Use Constraints:

Format: pdf

Data Quality Information

Lineage-Source:

Data Information

Population	Indicators	Metrics
Catherine Creek Spring Chinook	Juvenile outmigrant abundance; Presmolt abundance	Age proportion; Survival rate; Total smolt outmigration
Minam River Spring Chinook	Juvenile outmigrant abundance; Presmolt abundance	Age proportion; Survival rate; Total smolt outmigration
Upper Grande Ronde Spring Chinook	Juvenile outmigrant abundance; Presmolt abundance	Age proportion; Survival rate; Total smolt outmigration
Upper Grande Ronde Summer Steelhead	None selected	Survival rate
Wallowa/Lostine River Spring Chinook	Juvenile outmigrant abundance; Presmolt abundance	Age proportion; Survival rate; Total smolt outmigration

Entity and Attribute Information

Attributes Description: Field attribute information is available in the attached file(s).

Is a physical copy maintained for reference at Headquarters? Unknown