11 - Oceans Systems Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

moves water around globe

A

thermohaline circulation

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2
Q

water + CO2 into carbonic acid, + H+(ion). There has been ~25% more than pre-industrial in the ocean

A

acidification

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3
Q

absorbed CO2, ~2G tonnes/y

A

carbon balance

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4
Q

non-target organisms caught along with fishing for target species, ~25% as waste

A

bycatch

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5
Q

commercial fishing using lines with many baited hooks

A

longline

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6
Q

destructive fishing, heavy nets dragged along the sea floor

A

bottom-trawling

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7
Q

seafood farming, fastest-growing food production,
nearly half of the fish produced worldwide, serious environmental concerns, salmon is the predominant farmed species in Canada
provides important economic opportunities for remote communities

A

aquaculture

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