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