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Fisheries and state descriptors
Mark Dickey-Collas ICES secretariat, @Dickey-Collas
State descriptors
Determinig what state we want...
Population condition D1.3
Habitat condition (pelagic) D1.6
Fish population structure D3.3
Normal foodwebs D4
Knowing the levers to pull
Trade off – knowledge of state and action
EcosystemStateElements
take action
check pressures
review knowledge
take action
check pressures
review knowledge
Considering state elements
What should we do to define GES when pressure state
relationships are less clear?
How does society choose to aim for
a preferred ecosystem state?
Can we afford to wait for better science
to inform our decisions?

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Fisheries and state descriptors

  • 1. Fisheries and state descriptors Mark Dickey-Collas ICES secretariat, @Dickey-Collas
  • 3. Determinig what state we want... Population condition D1.3 Habitat condition (pelagic) D1.6 Fish population structure D3.3 Normal foodwebs D4
  • 5. Trade off – knowledge of state and action EcosystemStateElements take action check pressures review knowledge take action check pressures review knowledge
  • 6. Considering state elements What should we do to define GES when pressure state relationships are less clear? How does society choose to aim for a preferred ecosystem state? Can we afford to wait for better science to inform our decisions?