FISH 261 Lect 10 Salmon Gill Net Troll

Transcription

FISH 261 Lect 10 Salmon Gill Net Troll
Other Salmon Harvesting Gear
Beach Seine
Drift Gill Net
Set Gill Net
Power Troll
Hand Troll
Beach Seining I
Beach Seining II
Beach Seining III
Hand Beach Seining
Gill Net Anatomy
Cork Line with Floats
Lead Line
Heavier Weights for Stronger Currents
Mesh - Depth & Size Differs
Drift Gill Netting - Anchor at One End
Set Gill Netting - One End Secured to Land
Gill Nets
Less Expensive Start up Costs than Seining
Gill Net Mesh works on the Diagonal
Twine for Gill Nets
Biodegradable
Numerous Parallel Monofilaments
Fish Poke into Mesh, Caught Behind Gills
Different Fish Require Different Mesh Size
Drift Gill Netting
Toss Anchor Over
Pay Out Net from Reel
Bowpicker Backs Away
Hold Net in Proper Aspect Tides & Currents
How Long - Many Variables
Reel in Net, Pick Fish from Net
Fish Into Hold, Head for New Set
Building a Gill Net 1
Building a Gill Net 2
Sewing Web to Lead Line
Mending Gill Net
Drift Gill Netter & Gear
Bristol Bay Drift Gill Net Fishery
Huge Red Salmon Runs ~ 30+ Million Fish
Fish Average 5-7 lbs
Average Value 1983-2003 - $0.93 per lb
i. High Value $2.10, Harvest 17 M fish
ii. Low Value $0.42, Harvest 15 M fish
Run Over in 4-5 Weeks Last week June, first
three weeks July
Drift Gill Net Bristol Bay
Harvest by Drift or Set Gill Net Only
Must Have Limited Entry Permit
Vessel Limitations
i. Length Limited to 32 ft
ii. Harvested at River Mouth (the line)
iii. Often Aggressive Fishing Tactics
Haul your Set - Move Out to Pick Fish
Enforcement Uses Skiffs & Planes
Naknek Bristol Bay
Naknek Low Tide
Canneries North Naknek
Bowpicker Bristol Bay
Gill Netter Bristol Bay
Drum Reel & Fairlead
Waiting for Opening Bristol Bay
Cheek by Jowl Bristol Bay
Bristol Bay Sail Gill Netters
Traffic on the Line Bristol Bay
Fishing the Line - Bristol Bay
Drift Gill Net Set Bristol Bay
Gill Net Fish Bristol Bay
Good Set Bristol Bay
Picking Fish Bristol Bay
Fish Hold Gill Net Tender
Buyer Takes Fish Temps
Gill Net Reel
Gill Net, Salmon Kelp
Copper River Drift Gill Net King
Hauling Gill Net Puget Sound
Stikine River Drift Gill Netting
Seiners & Gill Netters Cordova
Set Nets: Shore Attached Gill Nets
Kodiak Set Nets - 150 Fathoms, 900 ft.
Intertidal - Lead old Trawl or Seine Mesh
Set Line Held in Place by Anchors
Gill Net Tied to Set Line
The Hook - Set Line Turns R 90° 50 ft
Left 135° ~70 ft, Left again 90° ~70 ft.
Finally Left 135° ~ 45 ft. Leaving 5-8 ft
Gap. The Fish Enter the Hook Here
Set-Up for Set Net
Lead
Main Net
Current
Gap
Hook
Set Net Hook
Set Net Lead & Marker
Catching Fish
Picking Skiff - Aluminum 20-25 ft.
Outboard, Low Bins, Skiff Man, 2 Crew
Roller Gear: Set Line at Lead
Lift Net & Set Line onto Fairlead Roller
Net & Set Line Exit Rear Channel
Pick Fish from Net as They Come In
Power-wash Net as it Pays Out to
Remove Kelp & Other Trash
Cook Inlet Set
Cook Inlet Set Net Site
Cook Inlet Set Net Set-Up
Currents Pulling Set Net
Hauling Set Net in High Current
Set Netters Picking the Net
Picking Set Net with Roller Gear
Set Net Roller Gear
Picking Set Net Shelikof Strait
Two Set Nets
Set Net Scene
Hand Hauling Set Net
Naknek River Set Net
Set Net - Tide Out
Set Netters Deliver to Tender
Trolling
Trolling: Hauling Baited Hooks thru Water
Weights (Cannonballs) Keep Gear at Depth
Weights & Gear Independently Retrieved
By Hand - Hand Trolling
With Hydraulic Gurdies - Power Trolling
When Fish Strikes, Weight Released
Set-Up: Hook, Bait, Leader, Flasher, Weight
Lines Run Through Releases on Outriggers
Trolling Line Placement
Trolling
Fish On: Line Released from Poles
Fish Immediately Bled, Dressed & Iced
Best Quality
Price Paid Harvester is Much Higher
King Salmon, Troll Caught & Smoked
$200 - $250 per Fillet in Germany
Much of the Commercial Salmon Fishery on
West Coast was Troll.
Power Troller 1
Power Troller 2
Power Troller 3
Power Troller 4
Hydraulic Gurdy
Power Troller Good Catch
Another Nice Troll Catch
Power Troller Big Swells
Hand Troll Fishing
Hand Troller 1
Hand Troller 2