Marine Fisheries and Sustainable Practices

This set of flashcards covers key concepts related to marine fisheries, sustainable practices, and fishing techniques.

Fishery

A commercially harvestable population of fish within a particular ecological region.

Fishery collapse

The decline of a fish population by 90% or more.

Bycatch

Unintentional catch of non-target species, such as dolphins when fishing for tuna.

Long Line

A commercial fishing technique using a long line with hooks evenly spaced.

Drift net/Gill net

A fishing method using long nets dragged behind, where fish get caught.

Purse Seine

A massive net with two draw strings used to encircle and catch fish.

Trawling

A destructive fishing method using a cone-shaped net dragged through water.

Sonar

Sound technology used to locate schools of fish, enhancing efficiency.

Aquaculture

The farming of aquatic organisms such as fish, shellfish, and seaweeds.

Sustainable Fishing

Practices including catch limits, modifying techniques, and protecting critical species.

Maximum Sustainable Yield (MSY)

The largest amount of fish that can be caught while maintaining the population.

Ghost fishing

The phenomenon where lost fishing gear continues to catch fish and other organisms.