The health of the ocean has declined due to various forms of pollution and overfishing. Each year, 706 million gallons of oil are spilled into the ocean, harming marine life and disrupting food chains. Chemicals and waste accumulate up the food chain as smaller fish are eaten by larger fish. Overfishing has reduced shark populations, and the practice of shark finning is decimating shark numbers. Global warming is also negatively impacting ocean health by warming waters and raising sea levels, threatening marine ecosystems. Other harmful activities include dynamite fishing, which kills fish and damages environments, and water pollution from chemicals that bleaches and kills coral reefs.
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The Health Changes in the Ocean
1. How the Health of the
Ocean has changed.
made by- Yumi, Luis, Didrick
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6. WA T E R P O L L U T I O N
I S A H U G E
P R O B L E M
7. O I L S P I L L S
oil spills is wasted spilled oil that hurts the oceans/
marine life
706 million gallons of oil spilled into the ocean
EACH YEAR
8. N O T T H A T P R E T T Y & H A R M F U L
-706 million gallons of waste oil enter per year into the
ocean
-adult fish experience reduced growth if contact with oil
-damage to eye/loss of vision
-poisons and interrupts food chain
-mass mortality/contamination of fish/long term
ecological affects
11. B I O A C C U M A U LT I O N
Bioaccumulation is a gathering of substances, such as
pesticides, or other chemicals.
When a small fish eats waste and then a bigger eats the small
fish, the waste ends up in the bigger fish.
All that waste ends up IN US!!
16. ice is melting because of global warming and oceans are rising
while the human population is growing
17. -some fish/plants can only live in some temperatures
(bad food cycle)
-about 30% of CO2 is absorbed by the ocean in the last
200 years.
-the heat from sun affect the ocean
18. D Y N A M I T E F I S H I N G
E X P L O S I O N I N WA T E R - K I L L I N G F I S H A N D T H E E N V I R O N M E N T
19. C O R A L D Y I N G / P O L L U T I N G WAT E R
