1. Catarina Grilo February 4th 2016
The valuation of ecosystem services and its role in fisheries management
Catarina Grilo
February 4th 2016

2. Fisheries management
Understand yield and the effect of fishing on the commercial species
Understand the effects of fishing on the rest of the marine environment (e.g., habitats, non-commercial species, etc.)
Contribute to assess the combined impacts of all human activities on the marine environment

3. Valuation of marine ecosystem services
Elicit the value of the benefits our societies obtain from the sea
Monetary and non-monetary value
Value for an individual versus value for a community
Wide range of methodologies to elicit value
As any other tool, it has limitations
Not all MES can be (easily) valued
Double counting

4. Ecosystem services valuation in fisheries management
Yield and the effect of fishing on commercial species
Sardine historical landings (black line) and biomass (blue columns) in 1,000 tons (ICES 2014)

5. Ecosystem services valuation in fisheries management
Marine ecosystems
Yield and the effect of fishing on commercial species
Effects of fishing on the rest of the marine environment
Contribute to assess the combined impacts of all human activities on the marine environment
Fish
Fishing
Cultural services
Food provisioning