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About The Presenter

Jill Ory, Clean Water Services, Hillsboro OR

About This Presentation

Running time: 15 minutes and 54 seconds.
Given:
Production by: M.J. Furniss and J. Guntle, Communications and Applications, PNW and PSW Research Stations

Topics covered:

Why Set Priorities
...Over 1200 Culverts in Basin
Data Collected for Each Culvert
Could-Should-Can
Where We Are
Glacial Dams and the Bretz Floods
Historical Land Surveys—1850
Current Land Use
Objectives of Watershed Analysis and Culvert Priority Setting
Native Cutthroat Trout
Some of the Best Habitat in Our Jurisdiction
Creeks in Area With Less Impervious Cover
Chicken and Cedar Creek Habitat Examples
Tualatin Basin Substrate
Good Tree Canopy Cover
...Compared to the Whole Basin
Large Wood and Debris Jams
Compared to the Whole...
Zooming In...
Basin Supports Some of Best Trout and Steelhead Habitat
Many Culverts That Are Barriers
Zooming In to Evaluate Culverts
Limiting Substrate is Clay Substrate
Screen Out Short-Length Culverts
Further Examine and Rank Remaining Culverts