Project OverviewProject Overview
Van Duzen Project
Sal Steinberg
Field Manager
WelcomeWelcome
Stakeholders, Public, Exchange students, Pat Higgins, future
Supervisors
Eel River Eel River
3rd largest river system in the state of California.
What are the other two?
Eel River : 2Eel River : 2ndnd most sedimented most sedimented river in the world next to the river in the world next to the Yantze River in ChinaYantze River in China
Van Duzen RiverVan Duzen River
The Coastal Range in the Van Duzen
River Basin is the most erosive of its
size anywhere in the United States.
What causes this sedimentation.What causes this sedimentation.
Natural : very erosive Franciscan Melange: Read from Dave Heaton
Humans: Timber Harvesting, Roads, etc.
2 particles to 1 particleNatural to Manmade Causes
Is this acceptable?Is this acceptable?
Tremendous impact on the the fisheries, and the amphibians.
Latest EcoNews
Watershed SheddingWatershed Shedding
In 2004, CDF
approved 5000 acres of timber harvest on 21% of Palco’s holdings in the Van Duzen
These lands were harvested over a 3 year period and completed in 2007.
Changes in the HCPChanges in the HCP
2004 PALCO received permission to harvest timber only 50 feet from the Channel Migration Zone effecting bigger trees, canopy, salmon habitat, and increasing the levels of sediment delivery to all tributaries of the Van Duzen River.
It could always be worse!It could always be worse!
In February of 2008, the Yantze River began bubbling red endangering the water supply for over 200,000 people.
TRUE or FALSE
DescriptionDescription
In Sept.2006, Van Duzen Project was approved by the California Water Quality Control Board to conduct a two year study of water quality in the Van Duzen River Basin
We are now completing our 2nd year of the project with an extension to write a Watershed Plan
Make recommendations for the reduction of sediment into the Van Duzen River Basin – TMDL
FOR MORE INFO.. www.fovd.org.
Citizens Monitoring GroupCitizens Monitoring Group
Tremendous volunteer groupWe are presently monitoring
Rainbow Bridge, Grizzly Creek, Hely Creek, Flanigan Creek, Fox Creek, Upper and lower Cummings Creek, Wilson Creek, Yager Creek, Wolverton Creek, and the Main Stem of the Van Duzen River.
Few Adventures Isaac MikelsFew Adventures Isaac MikelsRainbow BridgeRainbow BridgeTurbidity sampling
Isaac at RainbowIsaac at Rainbow
Suspended Sediment
Jesse at Cummings Creek Jesse at Cummings Creek
Jesse measuring flow at 1’ intervals on Jesse measuring flow at 1’ intervals on Cummings Creek station for a Discharge Cummings Creek station for a Discharge Rating curve.Rating curve.
Humboldt State University LabHumboldt State University Lab
Dr. Kristine Brenneman, Technical Advisory Team
Koa Lavery : Grad Assistant working with suspended sediment samples
Karen Bromley, Masters Thesis on water quality in the Van Duzen
Ed Brenneman, Turbidity and suspended sediment
Big Fish Award for the NightBig Fish Award for the Night
Supported the Van Duzen Efforts for the past decade.
Provided the project with excellent people. Karen and Koa.
Spent her winter vacation in the HSU lab doing suspended sediment samples with Ed
ScheduleSchedule
Milestones : 650 samples in Phase 1 470 samples in Phase 2 as of 2/1/08
FOR MORE INFO...
Road Densities, Upslope conditions, Macroinvertebrate Study, Habitat Typing, Rainfall, PH, Dissolved Oxygen, and Temperature, Salmon sightings
Jan Feb Mar Apr May Jun July Sep Oct Nov Dec
Hydrologic Year 2006-2007Phase 1Hydrologic Year 2006-2007Phase 1
Hydrologic Year 2007-2008 Phase 2Hydrologic Year 2007-2008 Phase 2
Watershed PlanPhase 3Watershed PlanPhase 3
Hely Creek Jan.3Hely Creek Jan.3rdrd 3,628 NTU’s 3,628 NTU’s