Whaling Presentation (SOE 202)

Whaling - The ICRW The IWC The Future of Whaling or Not-Whaling A Collision of Science Politics Philosophy Differing Views on Whales Commercial

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The ICRW, The IWC, or Not-Whaling A Collision of Science, Politics & Philosophy
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Differing Views on Whales Commercial resource whale if economically viable Ecosystem element whale to improve fish catches for human benefit Social resource whale in a sustainable manner Biodiversity whale only if population will not go extinct do not whale or whale only if humane Animals with rights do not whale, maybe aboriginal whaling?
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Whale Characteristics & Consequences for Whale Populations Biological Characteristics: Large Valuable Very low reproductive rates Biomass in small numbers of animals Vulnerable when breathing at surface no refuges Dependence of young on mother, other social factors removing one whale may harm others Consequences of Biological Characteristics: tempting targets easily overexploited recover very slowly
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History of Modern Whaling 1100's Basques hunt right whales in Bay of Biscay 1500's Basques hunt in Nfld/Labrador, Spitzbergen, etc. 1600's Bowhead‟s killed off Spitzbergen, Greenland; Atlantic grey extirpated 1700's Sperm, humpback whaling in N. Atlantic; right whales, bowheads overexploited 1800's Rights, bowheads, sperms, humpbacks, greys all heavily overexploited 1868 Svend Foyn develops explosive harpoon, harpoon gun, steam-powered catcher, begins exploitation of blue, fin, etc. 1905-1920 Antarctic whaling begins 1925-1939 Heavy blue whaling in Antarctic 1935-1965 Heavy fin whaling in Antarctic 1950-1975 Heavy sperm whaling world-wide 1960-1975 Heavy sei whaling in Antarctic 1970-. .. Minke whaling in Antarctic, Norway, Japan
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0 5000 10000 15000 20000 25000 30000 35000 Year 1909 1919 1929 1939 1949 1959 1969 1979 1989 1999 Annual catch Blue Fin Sei/Brydes Humpback Sperm Minkes
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Pre-IWC Regulation of Whaling Pre-1930 Regulation primarily by economics 1930 Regulation of oil production by “Blue Whale Unit” 1 Blue whale = 2 Finbacks = 2.5 Humpbacks = 6 Seis 1946 International Whaling Commission: "Adopt regulations with respect to the conservation
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This note was uploaded on 06/03/2011 for the course ENVR 202 taught by Professor Carlarne during the Spring '11 term at South Carolina.

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Whaling - The ICRW The IWC The Future of Whaling or Not-Whaling A Collision of Science Politics Philosophy Differing Views on Whales Commercial

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