Fisheries - PowerPoint PPT Presentation

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Fisheries

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Nearly all New Zealand populations have been. drastically reduced. ... El Ni o is basically an eastward displacement of weather patterns. Weather and Fisheries ... – PowerPoint PPT presentation

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Title: Fisheries


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Fisheries
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Orange Roughy
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  • Slow growing/deepwater (3300)
  • gt 100 years old
  • 25 years to mature
  • First caught in large quantities 10 years
    ago.
  • Largest catches in 1990.
  • Fishery didnt live up to expectations.
  • Slow to replenish population.
  • Nearly all New Zealand populations have been
  • drastically reduced.
  • 1 population down to 15 of 1980 level.
  • (Another to 3 of 1994 level).
  • Management must cut catch.

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Center for Remote Sensing, University of Delaware
Global sea-surface temperatures
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Weather and Fisheries
El Niño is basically an eastward displacement of
weather patterns
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