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May 2012 TOP THREATS TO MARINE LIFE. OVERFISHING What is it? What does it do? Tragedy of the Commons Bycatch.

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Presentation on theme: "May 2012 TOP THREATS TO MARINE LIFE. OVERFISHING What is it? What does it do? Tragedy of the Commons Bycatch."— Presentation transcript:

1 May 2012 TOP THREATS TO MARINE LIFE

2 OVERFISHING What is it? What does it do? Tragedy of the Commons Bycatch

3 IRRESPONSIBLE AQUACULTURE What is it? Response to overfishing What’s wrong? What can we do?

4 SHARK FINNING What is it? Why? What happens? Apex Predator International Issue Banning in the USA What can we do?

5 OCEAN ACIDIFICATION How does it happen? What will happen next?

6 CORAL REEF BLEACHING Rainforests of the seas Benefits of coral reefs What’s happening? zooxanthellae Why? 4 basic needs What can we do?

7 DEAD ZONES Swaths of ocean that don't support life due to a lack of oxygen Growing at an alarming rate Over 400 known to exist Thought to be caused by global climate change and fertilizer/pesticide runoff DEAD ZONES

8 MERCURY POISONING Three types Methylmercury How does it happen? What happens? What can we do Biomagnification & bioaccumulation Swordfish & Tuna

9 POLLUTION & DEBRIS 70-80% Great Pacific Garbage Patch North Atlantic Garbage Patch Yamuna River, India Rivers in China

10 OIL SPILLS Offshore drilling Plants Birds Marine mammals Fish Habitats Not just the BP Oil Spill Bodo, Nigeria

11 From: Illegal Aquarium trade Irresponsible aquarium owners Release of foreign bait Traveling Ships Displace native species Diminishes biodiversity INVASIVE SPECIES

12 NOW WHAT? Awareness Making the right choices Supporting appropriate legislation Writing to newspapers and magazines Travel sustainably Volunteer Fundraise


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