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DVIDS - Images - Corps operates screw traps [Image 1 of 3]
DVIDS - Images - Corps operates screw traps [Image 1 of 3]

COLUMBIA ENERGY FINISHES WORK ON COWLITZ ROTARY SCREW TRAP — Columbia Energy and Environmental Services
COLUMBIA ENERGY FINISHES WORK ON COWLITZ ROTARY SCREW TRAP — Columbia Energy and Environmental Services

Fish rotary screw trap in stream | Stock Video | Pond5
Fish rotary screw trap in stream | Stock Video | Pond5

Rotary screw trap used to estimate juvenile steelhead abundance... | Download Scientific Diagram
Rotary screw trap used to estimate juvenile steelhead abundance... | Download Scientific Diagram

Lower American River - RST Monitoring
Lower American River - RST Monitoring

Trap Ease Screws at Deck Builder Outlet.com
Trap Ease Screws at Deck Builder Outlet.com

A day at a rotary screw trap | Idaho Fish and Game
A day at a rotary screw trap | Idaho Fish and Game

Rotary Screw Trap - Napa County RCD
Rotary Screw Trap - Napa County RCD

Rotary Screw Traps - FISHBIO | Fisheries Consultants
Rotary Screw Traps - FISHBIO | Fisheries Consultants

Rotary Screw Traps - salmon catcher - American River at Watt Ave. Vision plus - YouTube
Rotary Screw Traps - salmon catcher - American River at Watt Ave. Vision plus - YouTube

Smolt Trapping Underway on River Frome - Game and Wildlife Conservation Trust
Smolt Trapping Underway on River Frome - Game and Wildlife Conservation Trust

Rotary Screw Trap Intall - Timelapse - YouTube
Rotary Screw Trap Intall - Timelapse - YouTube

Emigration stations - FISHBIO | Fisheries Consultants
Emigration stations - FISHBIO | Fisheries Consultants

Capilano Smolt Catch and Release | It's the 13th and the most successful year to date for Metro Vancouver's Capilano Watershed Trap and Truck Program. See how smolts are captured in the...
Capilano Smolt Catch and Release | It's the 13th and the most successful year to date for Metro Vancouver's Capilano Watershed Trap and Truck Program. See how smolts are captured in the...

A CATALOG OF ROTARY SCREW TRAPS THAT HAVE BEEN OPERATED IN THE CENTRAL VALLEY OF CALIFORNIA SINCE 1992
A CATALOG OF ROTARY SCREW TRAPS THAT HAVE BEEN OPERATED IN THE CENTRAL VALLEY OF CALIFORNIA SINCE 1992

Rotary Screw Trap Device Used Trap Stock Footage Video (100% Royalty-free) 4184816 | Shutterstock
Rotary Screw Trap Device Used Trap Stock Footage Video (100% Royalty-free) 4184816 | Shutterstock

Rotary Screw Trap
Rotary Screw Trap

A day at a rotary screw trap | Idaho Fish and Game
A day at a rotary screw trap | Idaho Fish and Game

Schematic of the rotary-screw trap and resistance board weir hybrid... | Download Scientific Diagram
Schematic of the rotary-screw trap and resistance board weir hybrid... | Download Scientific Diagram

Rotary Screw Traps and Inclined Plane Screen Traps
Rotary Screw Traps and Inclined Plane Screen Traps

Rotary Screw Trap for Outmigrant Fishes Stock Photo by ©jpldesigns 28132129
Rotary Screw Trap for Outmigrant Fishes Stock Photo by ©jpldesigns 28132129

Rotary screw trap | FWS.gov
Rotary screw trap | FWS.gov

Check Rotary Screw Trap | FISHBIO | Flickr
Check Rotary Screw Trap | FISHBIO | Flickr

Sacramento River Juvenile Anadromous Fish Monitoring Project at Red Bluff. Closeup view of one of the rotary screw traps at the base of the Red Bluff Diversion Dam on the Sacramento River
Sacramento River Juvenile Anadromous Fish Monitoring Project at Red Bluff. Closeup view of one of the rotary screw traps at the base of the Red Bluff Diversion Dam on the Sacramento River

A CATALOG OF ROTARY SCREW TRAPS THAT HAVE BEEN OPERATED IN THE CENTRAL VALLEY OF CALIFORNIA SINCE 1992
A CATALOG OF ROTARY SCREW TRAPS THAT HAVE BEEN OPERATED IN THE CENTRAL VALLEY OF CALIFORNIA SINCE 1992

Joining the digital age...
Joining the digital age...

What biologists learn as the screw trap turns and captures fish | Idaho Fish and Game
What biologists learn as the screw trap turns and captures fish | Idaho Fish and Game

Sacramento River Juvenile Anadromous Fish Monitoring Project at Red Bluff. An overhead view of a rotary screw trap on the Sacramento River at the base of the Red Bluff Diversion Dam Stock
Sacramento River Juvenile Anadromous Fish Monitoring Project at Red Bluff. An overhead view of a rotary screw trap on the Sacramento River at the base of the Red Bluff Diversion Dam Stock