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Chapter 11 Sustaining Aquatic Biodiversity Flashcards | StudBud
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Chapter 11 Sustaining Aquatic Biodiversity
Climate change LEAST threatens:
Freshwater systems provide:
Chapter 11 Sustaining Aquatic Biodiversity
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Answers
1
Freshwater systems provide:
Hydroelectricity
All of the above
Drinking and irrigation water
Flood control
2
Climate change LEAST threatens:
Coral reefs
Coastal wetlands
Low-lying islands
Inland lakes
3
An ecological service of marine ecosystems is:
Harbors and transportation routes
Nutrient cycling
Recreation and employment
Oil and natural gas
4
Which is TRUE about marine biodiversity?
Coral reefs, estuaries, and deep-ocean floor are mostdiverse
More biodiversity near coasts
More biodiversity on seafloor than surface
All of the above
5
What is true about Aquatic species?
Barely come in connection with invasive species
Adapt well to climate changes
All of the Above
They are threatened by habitat loss
6
Are important reservoirs of aquatic biodiversity that provide vital ecological&economicservices
All of the above
Coastal wetlands
Marshes
Inland wetlands
7
CASE STUDY: Japan hunted and killed at least___whales.
900
1000
300
500
8
Which is NOT a major threat to aquatic biodiversity?
Over exploitation by humans
Habitat loss
Increased use of wind turbines in the ocean
Pollution and climate change
9
Coastal nations have jurisdiction over 36% of ocean surface & 90% of fishstock
The US Endangered Species Act
Marine protected areas
Marine reserves
Law of the Sea Treaty
10
Protecting marine biodiversity is hard because:
It uses too much energy
Loss of biodiversity is economically beneficial
Damage isn’t really visible to most people, sotheydon't care
Giant squid keep killing researchers
11
Marine reserves close which activity?
Commercial Fishing
All of the Above
Dredging
Mining
12
What’s NOT an important component of sustaining biodiversity?
All of the above
Sustainable seafood
Consumers
Fishers
13
Coral reefs and mangrove forests could survive if we relieve threats such as____.
All of the Above
Oil Spills
Fishing nets
Over fishing and Pollution
14
Community based effort to develop and use coastal resources more sustainable?
Integrated Coastal Management
Chesapeake Bay Program
None of the Above
All of the Above
15
Which IS a precautionary principle?
All of the Above
Reducing fish harvests
Closing overfished areas
None of the above
16
Area of ocean needed to sustain fish consumption of average person/nation/world.
Fishery
Natural capital degradation
Biodiversity
Fishprint
17
What certifies fisher caught fish using environmentally sound & socially responsible practices?
OSY’S “Fish Love”
NFA’S “Long Live Fish”
MSC’S “Fish Forever”
None of these
18
Concluded it would cost____billion a year to manage reserves covering 30% of the world’s ocean.
$1-3
$20-22
$8-10
$12-14
19
Ecologist believe migration banking should be used?
All the time
Sometimes
As a last resort
Never
20
An economic service of marine ecosystems is:
CO2 absorption
Pharmaceuticals
Climate moderation
Habitats and nursery areas
