sos: save our sharks western australia shark cull amber schwindling
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SOS: Save Our Sharks Western Australia Shark Cull Amber Schwindling http:// www.cnn.com /2014/05/08/world/ asia / australia -shark-cull/. Outline What is the W.A. shark c ull? W.A. shark attack records Opposition Will it work? Alternative Strategies. What is the W.A. shark cull?. - PowerPoint PPT PresentationTRANSCRIPT
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SOS: Save Our SharksWestern Australia Shark Cull
Amber Schwindling
http://www.cnn.com/2014/05/08/world/asia/australia-shark-cull/
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OutlineI. What is the W.A. shark cull?
II. W.A. shark attack records
III. Opposition
IV. Will it work?
V. Alternative Strategies
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What is the W.A. shark cull?• State government policy of capturing and killing large sharks
by using baited drum lines• 3 month program• 72 drum lines across 200 km • Target: Great Whites, Bull sharks, and Tiger sharks• Caught: 172• Killed: 50
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• Important to remember: shark attacks are random events!
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Opposition • Activists removed bait from drum
lines• Protestors gathered on the beach
on two occasions ranging in the thousands
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Will it work?• Theory: fishing close to popular swimming beaches
deceases local populations, thus reducing human interactions
• Evidence supports localized decline… but not in all species
• White sharks and tiger sharks are highly mobile
• No white sharks captured, mostly tiger sharks
• 70% of catch weren't large enough to be considered a threat or were bycatch
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Alternative strategies• Satellite-linked shark tagging
• Personal shark protection– Electronic shark deterrents– Camouflage wetsuits
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Questions?