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Endangered species

Endangered species. By Kai. Objective. U nderstand why and how endangered species are considered global issues. Understand what we can do to help the endangered species. . Primary reasons for endangerment . Human actions – oil spilling, pollution (leading to global warming), deforestation

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Endangered species

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  1. Endangered species By Kai

  2. Objective • Understand why and how endangered species are considered global issues. • Understand what we can do to help the endangered species.

  3. Primary reasons for endangerment • Human actions – oil spilling, pollution (leading to global warming), deforestation • Over exploitation • Competition between species • Habitat loss – rainforest, woodland, swamps

  4. Sharks • Considered to be living since 420 million years ago, starting out with 440 different shark species. • There are 360 different shark species classified in this world and 201 of them are considered endangered. • Largest shark is 12 meters, while the smallest is 25cm. http://animals.howstuffworks.com/fish/great-white.htm

  5. Main Reason for sharks known to be an endangered species Overfishing!

  6. For human needs • Almost every part of sharks can be used • Skin used as leather • Teeth for jewelry • Oil in the liver for high grade machine oil • Fins for shark fin soup

  7. Sharks role in human needs and marine ecosystem • Sharks living for a long time – Medication • Maintaining the number of top predators is critical for sustaining healthy oceanic ecosystems. • Controls the number of population in the lower level of the food chain

  8. In conclusion… • Every species plays a key role in maintaining healthy balance in the global ecosystem. • Ways to help endangered species • Protect wild life habitats • Conservation Groups

  9. Bibliography • "Endangered Sharks – Understanding Just How Serious The Problem Is." Endangered Sharks. Web. 22 Sept. 2011. <http://endangeredshark.com/>. • "Endangered Shark Species." Shark Foundation - Foundation for Research and the Preservation of Sharks. Web. 22 Sept. 2011. <http://www.shark.ch/Database/EndangeredSharks/index.html?lim=1>. • "HowStuffWorks "How Great White Sharks Work"" HowStuffWorks "Animals" Web. 22 Sept. 2011. <http://animals.howstuffworks.com/fish/great-white.htm>. • "Interesting Facts." ::Centre for Marine Biodiversity::. Canadian Shark Research Laboratory. Web. 22 Sept. 2011. <http://www.marinebiodiversity.ca/shark/english/facts.htm>. • "Overfishing Large Sharks Impacts Entire Marine Ecosystem, Shrinks Shellfish Supply." Science Daily: News & Articles in Science, Health, Environment & Technology. Web. 22 Sept. 2011. <http://www.sciencedaily.com/releases/2007/03/070329145922.htm>. • "Save Sharks." Upload & Share PowerPoint Presentations and Documents. Slide Share. Web. 22 Sept. 2011. <http://www.slideshare.net/sharkangel/shark-savers>. • "Sharks' Role in the Oceans." Shark Savers - Home. Web. 22 Sept. 2011. <http://www.sharksavers.org/en/education/why-sharks-are-important/710-sharks-role-in-the-oceans.html>.

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