overfishing and sustainable seafood biology 460 katharyn self emily wood

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Overfishing and Sustainable Seafood Biology 460 Katharyn Self Emily Wood

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Overfishing and Sustainable Seafood Biology 460

Katharyn Self Emily Wood

http://fc00.deviantart.net/fs71/f/2011/041/e/7/overfishing_by_tamara_hawk-d397xz5.jpg

Overfishing

• Overfishing occurs when too many fish are caught that the population can't reproduce enough to replace them.

• Overfishing can lead to depletion of or extinction of fish populations.

• More than 85% of the worlds fishery's are depleted and in serious trouble (WWF)

http://www.worldwildlife.org/threats/overfishing

http://scienceheathen.com/wp-content/uploads/2013/05/20130516-140810.jpg

Bluefin Tuna

• http://www.sott.net/image/image/s6/127234/full/bluefin_tuna.jpg

Overfishing is caused by….

• Increased fishing technology • Open access fisheries• Poor management of fisheries • Lack of protected areas• Government subsidizes • Illegal fishing

http://stanford.edu/group/suss/cgi-bin/blog/wp-content/uploads/Overfishing-lots-of-boats.jpg

What is Sustainable Seafood?

• Seafood that is produced in a way that considers the long term effects on a species and the overall health of the ocean (WWF).

https://sp.yimg.com/ib/th?id=JN.VLJBSoqodkm96UzbQGoj2Q&pid=15.1&P=0

When Seafood is Labeled as Sustainable…

• It takes into consideration where and how the fish was produced.

• Such as species population, by catch, and habitat damage

http://www.easywaystogogreen.com/wp-content/uploads/2008/04/MarineStewardshipCouncil.jpg

https://sp.yimg.com/ib/th?id=JN.cse4Xvmj8BqZcOI2KtbWkA&pid=15.1&P=0

http://www.destination-scuba.com/images/seaturtlebycatch.jpg