Supplement Analysis for the Grande Ronde Basin Endemic Spring Chinook Salmon Supplementation Program EA (DOE/EA-1173/SA-01)
The CTUIR and ODFW propose to expand their monitoring and evaluation for the Grande Ronde spring chinook supplementation program to take additional data on summer steelhead that are trapped at the existing adult collection weirs on the upper Grande Ronde River and Catherine Creek. The weirs are a movable design and are operated seasonally during the adult chinook migration. Bull trout and summer steelhead have been trapped at the weirs since 1997 incidental to the spring chinook broodstock collection activities. Minimal data is recorded on both species as a requirement of the ESA permits, and reported to USFWS and NOAA Fisheries. This supplement analysis covers a minor expansion of the program to collect more extensive life history data on summer steelhead. The weir and trap will be installed 2-3 weeks earlier (early to mid-March) than was previously needed for the spring chinook broodstock collection in order to monitor the summer steelhead migration period. The adult steelhead will be captured in the traps, anesthetized, and measured. Data will be recorded on the date of capture, fork length, sex, markings, and maturity of the fish, and scale and punch tissue samples will be taken for genetic analyses.
- Research Organization:
- USDOE, Bonneville Power Administration (US)
- Sponsoring Organization:
- USDOE Office of NEPA Policy and Assistance (EH-42) (US)
- OSTI ID:
- 827267
- Report Number(s):
- DOE/EA-1173/SA-01; TRN: US200430%%1835
- Resource Relation:
- Other Information: PBD: 18 Dec 2003
- Country of Publication:
- United States
- Language:
- English
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