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Humans & The Sea

Humans & The Sea

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Humans & The Sea

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Presentation Transcript

  1. Humans & The Sea

  2. Evolution of Whales

  3. Whaling • Humans have been sailing the seas since civilization began • Whaling was recorded in 5000 B.C. and in Norway at least 4000 years ago! • Whale oil was used to make margarine & cooking oil • Sperm Whale oil was used for: illuminating lamps, industrial lubricant and as a component in soap, cosmetics & perfumes

  4. Picture Time!

  5. International Whaling Commission • IWC formed in 1946 • Purpose was to conserve the whale stocks that were being depleted by commercial whaling • USA became a member in 1948 and is still a very active member • Did you know: • The US had the largest whaling fleet in the nineteenth century (1800’s)? • When oil was discovered, the need for whale oil declined

  6. IWC, cont’d • 1982 Whaling Moratorium • What’s a moratorium? • A legally authorized pause or delay of an action • Still in place today • Between 1990 & 1993, it was proposed to the IWC to lift the moratorium • In 1993 the USA refused and stated they would impose sanctions against any country that continued to whale without IWC permission

  7. Endangered/depleted Cetaceans • Species included: • Dolphins: • Baiji, irawaddy, bottlenose • Porpoises • Vaquita • Whales: • Blue, humpback, fin, northern right, narwhal, bowhead

  8. Right Whale Minke Whale Baiji Vaquita Stranded Fin Whale

  9. Size of the Blue Whale

  10. Whaling Photos