Midterm Prep Oceans

Question 1

What occurs because of ocean warming?

Answer 1

Changes in current patterns, upwelling and downwelling, frequency and power of storms increase, marine species move deeper and further North, Arctic ice melts

Question 2

Where the great pacific garbage patch located?

Answer 2

West coast CA and east coast Japan

Question 3

What percent of ocean pollution comes from land-based sources?

Answer 3

80%

Question 4

What are three forms of chemical pollution?

Answer 4

Atmospheric- burning coal
Synthetic fertilizer from AG runoff
Industrial waste/ cleaning products

Question 5

Exxon Valdez Oil Spill 1989

Answer 5

100 million gallons of oil spilled
wildlife killed (seabirds, otters, seals, bald eagles)

Question 6

MV Treasure Ship Oil Spill 2000

Answer 6

20,000 African penguins oiled

Question 7

Deep water horizon oil spill 2010

Answer 7

Drilling explosion off the Gulf of Mexico, 11 men killed, thousands of wildlife harmed and killed. 134 billion gallons of oil spilled.

Question 8

Define bycatch

Answer 8

Nontargeted marine life that is caught and killed by commercial fishing

Question 9

What are 3 destructive practices of overfishing and how can overfishing be improved?

Answer 9

1. Dynamite
2. Cyanide
3. Bottom traweling
   Improve by controlling access, establishing and enforcing limits, create protected areas, seafood watch