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