AnswersFL-2001340-Environmental Science Sem 2The Social Costs of Resource Use

Global Connection: Newfoundland Cod Fishery Collapse Answers

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1
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Why did Canada extend its territorial waters out to 200 nautical miles in the 1970’s.

A
to protect and conserve Canada’s cod stocks
B
to protect the resources for domestic exploitation
C
to annoy U.S. fishermen
D
to restrict cod fishing practices
2
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What is the biological impact of minimum catch sizes on a population of fish?

A
The population comes to be dominated by smaller, slower-growing individuals.
B
Older, less productive adults are removed, improving the population’s health.
C
It applies a selective pressure for larger, faster growing fish.
D
The fish in the population produce more and healthier eggs to compensate.
3

Cod has been a commercially important fish species since _______.

A
the 13th century
B
the discovery of North America
C
the 1960’s
D
the 1980’s
4

Why should fishery managers not view cod stocks as separate from other fish stocks such as capelin and mackerel?

A
These fish species all form schools together and are therefore caught together.
B
Capelin and mackerel both compete with cod for ocean floor habitat.
C
These populations of these fish species are all related through the ocean food web.
D
There is no reason for fishery managers not to view cod stocks individually.

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