Nets
Fish
Fishing
All 3
Random
100
larger drifting nets
What are drift nets?
100
Crustaceans and shellfish.
What are shellfish?
100
Fish that are caught and marked with identification tags and then are released.
What is tagging?
100
A resource that can replenish itself
What are renewable resources?
100
Removing salts from water for irrigation or drinking.
What is desalination?
200
All the animals caught in nets or on lines which are unintentional and usually dead.
What are bycatch?
200
Raising fish
What is aquaculture?
200
Occurs when fish are caught faster than they reproduce and replace themselves.
What is overfishing?
200
Breeding and raising young fish and releasing those into the sea where they can develop.
What is ocean ranching?
200
Many species raised together.
What is polyculture?
300
A fishing net that is drawn into the shape of a bag to enclose the catch.
What are purse seine nets?
300
Raising 1 species of fish.
What is monoculture?
300
The catch made by fishing vessels.
What are landings?
300
Management plan that maximizes the yield while not stressing the population.
What are sustainable yield?
300
Energy sources formed from the remains of plants and animals that lived millions of years ago.
What are fossil fuels?
400
Large nets that are dragged along the bottom, capturing virtually everything that enters it.
What are trawls?
400
Usually referring to the farming of commercially valuable molluscs attached to ropes and suspended from large rafts.
What is raftculture?
400
Seperate populations of commercial fish.
What are stocks?
400
Number of pounds of fish that stock can yield per year without being overexploited.
What are potential yield?
400
Producing slack on a purse seine net in order to let marine mammals escape.
What is backing down?
500
Sections of drift nets.
What are tans?
500
Made from Alaskan proteins, bottomfish
What is surimi?
500
Takes in to account the number of boats fishing, the number of fishers working, and number of hours spent fishing.
What is the fishing effort?
500
The area of the ocean that is controlled by a country.
What is exclusive economic zones?
500
Fuel trapped in ice crystals.
What is methanehydrate?
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