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The Role of Water in Salmonid Recovery. Do fish really need water, and if so, how much and when???. If fish could weigh in on this…. What water means to fish. The medium IS the message… The right flow conditions at the right time of year for each life stage - PowerPoint PPT Presentation
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U N I T E D S T A T E S D E P A R T M E N T O F C O M M E R C E
N A T I O N A L O C E A N I C A N D
A T M O S P H E R I C A D M I N I S T R A T I O N
The Role of Water in Salmonid Recovery
Do fish really need water, and if so, how much and when???
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
If fish could weigh in on this…
2
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
What water means to fish
• The medium IS the message…• The right flow conditions at the right time
of year for each life stage • Flows are also important in shaping the
stream in which fish live– Sediment and LWD transport– In-stream complexity
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Water needs for Salmonids
• Water quantity– Adequate flows for each
life stage throughout the year
• Water quality– Temperature, Sediment,
pH, etc
• Flow properties– Range of velocities in
winter (flow refuge)– Migration flows– Turbidity
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Stream Habitat by life stage
• Egg (spawning gravels)• Fry (spawning gravels)• Juvenile (pools, in-channel,
side channel and off-channel)
• Smolt (lagoons and larger off-channel ponds)
• Adult Spawner (spawning gravels)
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Fish Habitat by Season
• Wintering Rearing Habitat – (high flow refugia, boulder
shadows, low velocity eddys, overhangs)
• Summer Rearing Habitat– (temperature refugia, overhangs,
riparian cover, sometimes isolated pools)
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
In-stream Flow in Summer
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Alternatives to summer in-stream water withdrawals
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Rainwater Harvesting Potential in CA
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Salmon Creek Save our Salmon Project
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Napa and Suisun Creek Watersheds
• Napa and Suisun Creek tributaries
• Agricultural and Rural Residential Uses
• Solano RCD• Napa RCD• CA Land Stewardship
Institute (FFF)• Municipalities
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Sonoma Creek Potential
• Sonoma Creek tributaries
• Agricultural and Rural Residential Uses
• Sonoma Ecology Center• Southern Sonoma RCD• Municipalities
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Other Alternatives for water supply
• Recycled Water• Desalinization• Other innovations
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Key watersheds for Steelhead Recovery in the North Bay
• Napa River• Sonoma Creek• Petaluma River
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Questions!
N A T I O N A L O C E A N I C A N D A T M O S P H E R I C A D M I N I S T R A T I O N
Contact Info
• Kit Crump• Restoration Ecologist
• NOAA Restoration Center
• (707) 575-6080• [email protected]