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