1. Hood Canal Steelhead Acoustic Telemetry Studies Barry Berejikian and Skip Tezak NOAA Fisheries Northwest Fisheries Science Center Manchester Research Station

2. Hood Canal steelhead –Historically abundant –Chronically depressed since mid-late 80’s –Some indications of a north-south productivity ‘gradient’ –Limiting factors & potential role of supplementation

3. The problem Depressed Unknown Data from http://wdfw.wa.gov/fish/sassi/intro.htm

4. Can supplementation improve productivity of natural populations? ?

5. Hood Canal Bridge Hamma Hamma R. Skokomish R. Big Beef Creek Dewatto R. Admiralty Inlet 2005 Hood Canal Steelhead Study 50 Hatchery reared steelhead (Hamma Hamma River) Weight: 48.9 – 129 g Length 173-233 mm (FL) V8 6L Tags provided and implanted by POST Tagged: 5/13/05 Released: 5/23/05

6. 2005 Results Summary Receiver locations Complete ‘listening line’ No. fish detected (% of released) Min. survival Mean (±s.d.) travel time since release (d) Hamma EstuaryNo36 (72%)41 (84%)3.30 (±5.23) N. Hood CanalNo19 (38%)22 (44%)12.4 (± 9.9) Strait of GeorgiaYes0 (0%)-- Strait of Juan de FucaYes12 (24%) 17.4 ( ± 10.4)

7. 2005 Hood Canal Steelhead Study Hood Canal Bridge Hamma Hamma R. Skokomish R. Big Beef Creek Dewatto R. Admiralty Inlet 4 13 31 5 15 N

8. Travel time 4.6 d (0.8 d) 1.2 – 2.0 blps 12.8 d (10.7 d) 0.1 - 0.5 blps

9. Migratory pathway

10. 2006 Hood Canal Steelhead Study (Proposed) H 01 : Hood Canal steelhead populations do not differ in early marine survival (river mouth to north end of Hood Canal, and Hood Canal to Straits of Juan de Fuca and Georgia). H 02 : Hood Canal steelhead populations do not show a preference for nearshore vs. open water migration routes through Hood Canal. H 03 : Steelhead individuals and populations inhabiting the nearshore environment spend a similar amount of time in eelgrass habitat and adjacent non-eelgrass habitats. H 04 : Individual steelhead characteristics: outmigration timing, length, weight, and condition factor do not affect rate of migration, habitat use, or stage-specific survival.

11. 2006 Hood Canal Steelhead Study Design Hood Canal Bridge Hamma Hamma R. Skokomish R. Big Beef Creek Dewatto R. Admiralty Inlet Three populations (Hamma Hamma R., Skokomish R., Big Beef Creek) 50 Wild smolts per population V9 Vemco Tags Two complete listening lines (Hood Canal Bridge and mid-Canal)

12. Collaborators Army Corps of Engineers Hood Canal Coordinating Council Hood Canal Salmon Enhancement Group Jamestown S’Klallam Tribe Kintama Research Corp./POST Long Live the Kings Northwest Fisheries Science Center Point No Point Treaty Council Skokomish Tribe Washington Department of Fish and Wildlife University of Washington