Fishery Gear Types Flashcards

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1
Q

What are the categories of gear types?

A
  1. Technology
  2. Passive gear - target species move to the gear
  3. Active gear - gear that is moved to the target species (propelling or towing)
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2
Q

What are the technology gear types?

A

Sonar
Drones

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3
Q

What are the passive gear types?

A
  1. Gill nets
  2. Longlines
  3. Fyke and pound nets
  4. traps
  5. pots
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4
Q

What are the active gear types?

A
  1. Trawls
  2. Dredges
  3. Harpoons
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5
Q

Gill Nets

A
  • Have been in use for thousands of years
  • Improvements have happened over the years (hydraulic net reels)
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6
Q

What are the primary gill net types?

A

Fixed gill net, which can be set (anchored), staked, or drift

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7
Q

How can gear be targeted to catch a specific age or size fish?

A
  • Mesh size of the net
  • Hook size
  • Types of bait
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8
Q

What was a type away from the VIMS Alosine Monitoring Program?

A

The ratio does not represent the sex ratio in the natural environment. The ratio is a product of the net mesh size.

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9
Q

Pelagic Longline

A

Longlines are just baited hooks
Held to the surface by buoys

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10
Q

Bottom Longline

A

Baited hooks held to the bottom with anchors

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11
Q

What are the various types of Trawls?

A
  • Midwater trawl
    -Demersal (Bottom) trawl
    -Otter Trawls (Shrimp trawlers use paired otter trawls)
    -Prawn Trawl (double rig)
  • Beam Trawl
    -Dredge
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12
Q

What types of species do dredge nets target?

A

Primary grab shellfish on the bottom

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13
Q

Potential impacts

A

Damage to the seafloor and any habitat living there

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14
Q

What are some suggested best practices?

A

Gear design/operations
Prohibitions by gear type
Freeze trawling footprint
Nearshore restrictions and zoning
Prohibitions by habitat type
Multipurpose habitat management
Invertebrate bycatch quota
Habitat-impact quota
Removal of effort

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