A class of fish with a frame made of cartilage instead of bone.
What is Class Chondrichthyes.
Name at least 3 technologies that contributed to the east coast fishery collapse.
Satelite, navigation systems, sonars, draggers and trawlers.
in 1994
What year did the industry collapse
What is a fishery in waters with low very salinity called?
Freshwater Fisheries
The current approximate amount of jobs provided in the fishing industry.
What is 79,000.
How did scientists contribute to Overfishing?
They gave inaccurate results using a flawed system
Fish is a renewable resource because it can be regenerated
What type of resource is fish (renewable, non-renewable, flow, other)
What is exploiting a renewable resource in an unsustainable way called?
Mining a resource
The amount of countries worldwide that Canada exports fish and seafood products to.
What is 140.
What technology catches animals on the seafloor and generally pick up bycatch that gets thrown away.
A trawler.
Global warming, the pacific oceans temperature increased and fish like cooler temperatures, causing them to migrate
What is the factor that contributed to the industries collapse
What is an example of a fishery that has been overexploited/mined
Herring Fishery in the great lakes
When did Canada start using aquaculture to produce fish.
What is the 1970s.
810,000 tons of fish
Many species of ____ were fished in the Pacific Ocean
salmon
Fill in the blank
_____ is the process of managing a renewable resource to warrant that the amount harvested does not cause long term exhaustion of that resource.
Sustained Yield Management
The most produced species of fish in aquaculture in Canada.
What is salmon.
How many pounds of fish can be fished with a dragger?
The fish decided to migrate to nearby bodies of water due to ____ _____ making the temperature ____ .
a) global warming
b) warmer
20 years ago the Chilean sea bass weighed 100kg per catch, today it is 10kg per catch. This is a result of _____ and shows that we did not catch these fish _______
Mining, sustainability