Fisheries and state descriptors

Mark Dickey-Collas ICES secretariat, @Dickey-Collas

State descriptors

Determinig what state we want...

Population condition D1.3Habitat condition (pelagic) D1.6Fish population structure D3.3Normal foodwebs D4

Knowing the levers to pull

Trade off – knowledge of state and actionEc

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stem

Sta

te E

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en

ts

take actioncheck pressuresreview knowledge

take actioncheck pressuresreview 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 scienceto inform our decisions?