10 Ag: Aquaculture and Fisheries

What are some pros of modern fishing techniques?

• Increased efficiency

• Overfishing

• Habitat destruction

• Pollution

What is the name of the fishing method that involves dragging a net along the sea floor?

• Longline

• Trawling

• Handline

• Seining

Otter Trawling is best described as which of the following?

• A) A method using a large net dragged along the sea floor

• B) A technique using stationary traps

• C) A method involving vertical nets

• D) A technique using baited hooks

What is a gillnet?

• A) A type of fishing rod

• B) A wall or curtain of netting that hangs in the water

• C) A type of fish

• D) A fishing boat

What is a risk associated with gillnets? A

• Overfishing

• Bycatch

• Water pollution

• Habitat destruction

Tags

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Which type of fish is commonly targeted by purse seining?

• Salmon

• Tuna

• Cod

• Trout

Purse-seine fishing is considered efficient because it: A) Targets multiple species at once B) Has low levels of bycatch C) Requires minimal equipment D) Is done near the shore.

• Targets multiple species at once

• Has low levels of bycatch

• Requires minimal equipment

• Is done near the shore

What is the main goal of using purse seines in terms of fish population?

• To deplete fish stocks

• To allow fish to reproduce

• To catch all available fish

• To target endangered species.

Tags

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What is the impact of purse-seine fishing on the seabed?

• High impact

• Moderate impact

• No impact

• Variable impact

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the main advantage of purse-seine fishing in terms of efficiency?

• It requires less manpower

• It targets specific fish species

• It uses less fuel

• It has low levels of bycatch.