Ecological Characterization of Salmon Habitat Restoration Efforts for Abandoned Gravel Pits, Yakima River, WA

Research Objectives - to examine:

Study Location

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Pre project ingress

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Methods

Water Quality Sampling Protocol

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Substrate

Aquatic Vegetation

Stage, Inlet and Outlet Discharge

Salmon Presence

Habitat Types

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Large Woody Debris

Analysis

Results

Results

Hansen Ponds

I-90 Ponds

Hansen Inlet/Outlet & Yakima River Discharges

Hydrologic Connectivity: Discussion

Results

Seasonal significant differences between I-90 and Hansen Ponds

Temperature

Dissolved Oxygen Concentration

Specific Conductivity

pH

Turbidity

Aquatic Vegetation

Site Comparison: Discussion

Results

Dissolved Oxygen Concentration

Specific Conductivity

Sedimentation rates and organic content

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Habitat Comparison: Discussion

Summary

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Conclusion and Management Recommendations

Acknowledgements

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