1. Assessing impact of restoration on salmonid population dynamics in the Entiat with life-cycle models
James Murphy, Keith Van Den Broek, Tom Degroseillier
Terraqua Inc / ISEMP / CHaMP / USFWS

2. ISEMP life-cycle models: Integrating restoration and population dynamics
ISEMP life-cycle models for chinook and steelhead
Life-cycle models that utilize ISEMP and CHaMP data.
Focus on tributary spawning/rearing dynamics.
In development for John Day, Lemhi, Salmon, Entiat.
freshwater
survival
restoration
population
dynamics
freshwater
carrying
capacity

3. Ongoing work for ISEMP and Entiat models
Developing fish – habitat relationships
Regression models with CHaMP data (field sampling, DEMs) NREI modeling
Incremental flow methodology analyses
Habitat-survival functional relationships
Survival estimation
Movement analyses
Consideration of summer chinook dynamics / multi- species models h

4. Entiat Spring Chinook Life Cycle Model
- Spatial structure -
valley
segment 3
Pool volume per CHaMP site: 2013
valley
segment 2
Mad
River 1 2 3
upstream
valley
segment 1
valley segments

5. Entiat Spring Chinook Life Cycle Model
- Overwinter survival -
PIT tag marking
6 interrogators + RST
Survival estimation
Movement and emigration
Parr overwinter survival by area h

6. Entiat Spring Chinook Life Cycle Model
- Parr movement -
Time spent in valley segment 1
for fish tagged in upper Entiat:
counts h
Number of days
median = 2 days

7. Entiat Spring Chinook Life Cycle Model
- Emigration -
Emigration timing by summer parr location:
detections at screw trap and ENL array at mouth
valley segment 3
valley segment 2
counts
valley segment 1 h
yearling
subyearling
Julian day