Overfishing Group Presenters names Why is overfishing a

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Overfishing Group #: (Presenters names)

Overfishing Group #: (Presenters names)

Why is overfishing a problem? • No time for recovery • Fish populations collapsing

Why is overfishing a problem? • No time for recovery • Fish populations collapsing • Supply limited (Koster, 2007)

Data About Extent of Problem • U. S. seafood trade deficit = $8 billion

Data About Extent of Problem • U. S. seafood trade deficit = $8 billion • discard rate in U. S. = 21. 7% • 70% of fish caught beyond capacity

Cause of Overfishing • mainly over-exploitation (Jeantheau, 2005)

Cause of Overfishing • mainly over-exploitation (Jeantheau, 2005)

Impact on Environment • • Low growth rates Severe biomass levels Changes in species

Impact on Environment • • Low growth rates Severe biomass levels Changes in species composition & biodiversity Extreme changes to the ocean: 1. Degradation of reefs 2. Destruction to bottom grasses

Impact on Human Health • • Prevents heart disease and strokes Poverty countries depend

Impact on Human Health • • Prevents heart disease and strokes Poverty countries depend on fish Omega-3 fatty acids Overfishing = all of the above gone

Impact on Economy • Industry earns $50 billion per year • Huge industry; must

Impact on Economy • Industry earns $50 billion per year • Huge industry; must be maintained As technology improves, we fish more. Fish population goes down, less revenue. Prices rise and technology is developed to meet demand.

Data on Impact • coral reefs being destroyed • population decreasing • fish prices

Data on Impact • coral reefs being destroyed • population decreasing • fish prices increase

Strategies for Addressing the Problem • Promote fish farming • Allow recovery-rotating fishing grounds

Strategies for Addressing the Problem • Promote fish farming • Allow recovery-rotating fishing grounds • Passing laws addressing issue (Miller & Levine, 2003)

Citations Jeantheau, M. (2005, May). Pretty Mermaids are Always Over Fishing for Compliments: The

Citations Jeantheau, M. (2005, May). Pretty Mermaids are Always Over Fishing for Compliments: The Causes and Effects of Overfishing. Retrieved October 25, 2010 from http: //www. grinningplanet. com/2005/06 07/ overfishing-article. htm Koster, P. (2007, March 22). Why is overfishing a problem? Retrieved October, 19, 2010 from http: //overfishing. org/pages/why_is_overfishing_a_problem. php Miller, K. R. , & Levine, J. S. (2003). Biology: New York State. Upper Saddle River, NJ: Prentice Hall. Impacts of fishery activities. (2010, May 27). Food and Agriculture Organization of the United Nations. Retrieved October 20, 2010 from http: //www. fao. org/fishery/topic/12273/en Planet Earth: Overfishing. (2010). In Green Earth for DFW Environmentalists. Retrieved October 20, 2010 from http: //www. dfwnetmall. com/earth/over -fishing. htm

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