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by Arne Eide

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Time series of average quarterly plankton biomasses under different ... Plankton Biomasses. Average Biomasses, Fluctuations over time and Biological Growth ... – PowerPoint PPT presentation

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Title: by Arne Eide


1
Getting EconMultin BALANCE
  • by Arne Eide
  • The Norwegian College of Fishery Science
  • University of Tromsø

2
Linkages in BALANCE
Sea Temperatures(MPG)
3
Global Warming Implementation
  • Average quarterly sea temperature
  • Time series of average quarterly plankton
    biomasses under different environmental scenarios
    (from D. Slagstad)
  • Reduced/Increased number of fishing days due to
    change in weather conditions

4
Global Warming Implementation
  • Increased/Reduced cost of fishing effort
    production due to change in weather conditions
  • Increase/Decrease in unit prices on fish due to
    changes in the global fish market

5
Fisheries Management
  • Open access/Limited entry
  • Quota managementfixed quota or fishing
    mortality rate

6
Fishermen Behaviour
  • Discard/No discard
  • Stop fishing at negative contribution margins
  • Fleet dynamics without limited entry

7
Assessing Vulnerability
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