UAF FSN 261 - Alaskan Harvesting Gear II (71 pages)

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Alaskan Harvesting Gear II



Previewing pages 1, 2, 3, 4, 5, 33, 34, 35, 36, 67, 68, 69, 70, 71 of actual document.

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Alaskan Harvesting Gear II

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Pages:
71
School:
University of Alaska Fairbanks
Course:
Fsn 261 - INTRO TO FISHERIES UTILIZATION
Unformatted text preview:

Alaskan Harvesting Gear II 1 Longline 2 Jig 4 Seine 3 Gillnet 4 Troll Longline Required for Halibut and Blackcod Fisheries Stuck Gear vs Snap on Gear Groundline GL Sinking Line Stuck Gear Gagnions Spliced into GL Snap On Gear Gagnions Clipped to GL Stuck Gear GL in 300 fm Skates Snap On Gear GL on Reel Winch Longline II Gagnions Act Like Leaders One End Attached to Groundline Other End Attached to Circle Hook Gagnions Stiff Heavy Nylon Cord Depending on Species 6 Long Depending on Species 12 Apart on GL Anchors Buoys Flag with Radar Reflector Longline Set Halibut Anchor Buoy Flag GPS Location Marked GL Tied to Anchor Runs Through Baiter Circle Hooks Self Bait as GL Runs Out Next Skate Tied to First 3 Skates Per Set 3 x 300 fm 900 fm 5 400 ft At End Anchor Buoy Flag GPS Marked Longline Circle Hooks Longline Snap On Gear I Stuck Longline Skates Longline Baited Hooks Longlining Longline Fishing Put Out Many Sets Wait 12 Hrs Pick Picking Set Find Flag Buoy Retrieve Line Anchor GL on Winch Fish Self Hooked on Circle Hooks Gaff to Bring Fish Aboard Gut Fish Ice Body Cavity and Put Fish in Hold Longline Fishing Much Smaller CPUE than Trawl Much Higher Quality Fish Used for the Most Valuable Fish Start up Costs Lower than Trawl Good Set Target Fish on 10 Hooks Specific Bait Can Reduce Bycatch Killer Whales Can Pluck Fish Off Set Longline Vessel with Shelter Deck Longline Vessel Headed Home Jigging Sinker Drops Bait to Fishing Depth Rapidly Raise Lower Bait Jig When Fish is On Automatically Reeled In Hooks are Usually Barbless Used Primarily on Cod Rockfish Squid Jigging Via Machine Used for Cod Rockfish in State Waters Lower Capital Investment to Gear Up Scale Up Practical Skill Easily Learned Machines Reliable and Rugged Cod 1 000 lbs per Day per Machine Good Shape after Capture High Quality Jigging Jigging Move Bait Up Down Rapidly Attracts Target Species Jigging Machine Senses Fish Pull on Bait Reels In Automatically Jigging Machines Electric Finfish Squid Hydraulic Finfish Jigging Basics Find Fish by Location or Sonar Drop Bait Sinker Carries it Down Set Jig Action Jigging Frequency Catch 2 500 lbs Machine Day Vessel May or May Not Have RSW RSW Fish Fetch Higher Price Daily Tote of Ice Fetches Higher Price Jigging OK for State Water Cod Before Pot Fishing Generally Smaller Boats Close In to Shore Labor Intensive but High Fish Quality Start Up Costs Among Lowest Bait Usually Artificial But Live Bait OK Line Generally Monofilament Bycatch Can Be Low Depending Squid Jigging Important to Local Economies SE Asia Sudden Upward Pull to Snag Squid Hooks are Usually Barbless If Squid On Reels in Quickly Many Squid One Line Multiple Hooks US Squid Seined During Spawning Sports Fishing Humboldt Squid Several Jig Machines Fish Jigging Machines Jig Machines on Board Asian Squid Jigging Vessel Squid Jigging Machine Squid Jigging Lures Squid Night Fishing Armada Squid Night Fishing Vessels Squid Night Fishing Lights Drying Squid Taiwan Fancy Presentation of Squid Alaskan Salmon Fishing 5 Species of Pacific Salmon Landed Largest Wild Salmon Harvest Limited Entry Permit Required Processors Must Handle All 5 Species Kings Greatest Value Pinks Lowest Alaskan Salmon Fishing 2010 Harvest 168 6 Million Salmon 105 4 Million Pinks 40 7 Million Reds 18 2 Million Dogs 3 9 Million Silvers 0 4 Million Kings 2010 Total Value 533 9 Million Highest Since 1992 Alaskan Salmon Fishing Salmon Return to Natal Streams to Spawn Pacific Salmon Spawn Once then Die Each Species Has Distinct Behavior Pink Salmon have 2 Yr Life Cycle Red Salmon Avg 2 Yr FW 2 Yr SW Schooling Behavior Stimulated by FW Many Coastal Alaskans Involved Salmon Harvesting Gear Limited Entry Permit Permit Also Specifies Region Purse Seine Beach Seine Drift Gillnet Set Gillnet Power Troll Hand Troll Purse Seine Beach Seine Drift Gillnet Set Gillnet Tide Out Power Troll Hand Troll Purse Seiner Purse Seines Used in Numerous Fisheries Tuna Mullet Menhaden Salmon Herring System Consists of Seiner Vessel Sized According to Fishery Seine Skiff Pulls Net out from Seiner Powerblock to Retrieve Seine Seine Itself Scaled According to Fishery Seiner Seine Skiff Powerblock Seine Salmon Purse Seine Purse Seine 200 fm long 1 200 ft Usually 40 ft deep Also Custom Seines Seine Consists of Cork Line with Floats Lead Line Weighted Diagonally Hung Web in Between Purse Region with Rings Purse Line Setting the Seine Seine on Deck Corks vs Lead Line Skiff Tows Net Away from Seiner Shape Net into J Hook Facing Current Skiff Holds Net until Set Complete Crew Plunges Make Noise Keep Fish In Gradually Skiff Seiner Move Together Purse Seiner Seine Skiff Hauling out Seine Holding the Set Closing the Seine Pursed Set Retrieving the Seine I Skiff Man Passes Seine Line to Crew Crew Retrieves Seine with Power Block Stack Seine on Deck Stack Corks Leads Separately Gradually Purse Line is Pulled Taught Purse Region is only Part of the Seine Retrieving the Seine II Seine Hauled in Fish Are Concentrated in Purse When Catch is Large Brail Fish From Pursed Seine Smaller Catch Bring Bag on Deck Place Fish into Hold with RSW Retrieving the Seine Stacking the Web Mending the Seine Mending Seine Bringing the Bag Aboard Rolling the Bag on Board Seiner Low with Fish Delivering to the Tender Seining Herring Seined Herring Boiling Menhaden Seining I Menhaden Seining II Tuna Seine I Brailing the Tuna Catch Tuna Seine II Beach Seining I Beach Seining II Beach Seining III Hand Beach Seining


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