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Sample Design: Rotary Screw Trap Operation - Oregon Department of Fish and Wildlife: Project 2023-007-00

The details of this Sample Design, including all the parameters used to generate it, are included below. Sample designs must belong to a Study Plan.

Description

This desigin is to collect data needed to understand important life functions associated with early life history of spring Chinook salmon and summer steelhead of the Grande Ronde River and Imnaha River basins. In this investigation we operate rotary screw traps to quantify and characterize migratory patterns and survival of migrants of both species. Traps will be operated at Catherine Creek (rkm 32), Upper Grande Ronde River (rkm 299), Lostine River (rkm 3), and Minam River (rkm 0.4)).  In this performance period we will collect spring Chinook salmon and summer steelhead data that represent multiple migration years. Specifically, fish collected in spring will primarily migrate to the ocean in spring , whereas most fish collected in the fall will primarily migrate to the ocean in spring of the next year. Therefore, fish collected in fall during the performance period will be analyzed along with the fish collected in spring during this performance period, and likewise fish collected in fall during this performance period will be analyzed along with the fish collected during spring of the subsequent performance period. Given the diversity of summer steelhead early life history strategies, data for individual migration years may include small proportions of fish collected during as many as three past and or future performance periods, and potentially could be more. 

Start Year

2024

End Year

2040

Study Plan

Steelhead Escapement (1998-016-00) v1.0

Data Repositories

Photos

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Documents

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Area of Inference

Steelhead Summer-Winter Interior Columbia Pop. Name: South Fork John Day River
Steelhead Summer-Winter Interior Columbia Pop. Name: John Day River Upper Mainstem
Steelhead Summer-Winter Interior Columbia Pop. Name: Grande Ronde River Upper Mainstem
Steelhead Summer-Winter Interior Columbia Pop. Name: Middle Fork John Day River
Chinook Spring-Summer Interior Columbia Pop. Name: Catherine Creek
Chinook Spring-Summer Interior Columbia Pop. Name: Salmon, Chinook (Snake River spring/summer-run ESU)
Chinook Spring-Summer Interior Columbia Pop. Name: Wallowa/Lostine Rivers
Steelhead Summer-Winter Interior Columbia Pop. Name: Wallowa River
HUC4 - Sub Basin: Upper John Day
HUC5 - Watershed: Eight Mile Creek-Middle Fork John Day River

AOI Notes

Basins represent Chinook populations in the John Day


Sample Sites
These are the unique sites that are participating in this sample design over the time period covered by the design.

Map of Sites

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Sampling Schedule
This section describes which sites are scheduled to be sampled in any given year, and (if applicable) the panel and stratum that the sample site belongs to.

Plan Description

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