1. BarEcoRe: Bar ents Sea Ec osystem Re silience under global environmental change Food-web topology workshop 8-9th June 2011

2. BarEcoRe foodweb topology workshop, 8-9 June 2011 evaluate the effects of global environmental change on the future structure and resilience of the Barents Sea ecosystem BarEcoRe

3. BarEcoRe foodweb topology workshop, 8-9 June 2011 evaluate the effects of global environmental change on the future structure and resilience of the Barents Sea ecosystem quantitative data analysis and modelling climate and fishing- induced species comp, spatial structure, trophic network ability to absorb disturbance and maintain function BarEcoRe fish and benthos communities

4. BarEcoRe foodweb topology workshop, 8-9 June 2011 BarEcoRe: The structure WP1: Community structure WP2: Trophic interactions WP3: Population distribution WP4: Resilience & Early warning Kick-off: June 2010 Data WS: October 2010 Data Analysis WS: March 2011 Foodweb topology WS: NOW! Annual meeting: October 2011

5. BarEcoRe foodweb topology workshop, 8-9 June 2011 What is a food web topology? Nodes: tropho-species Links: trophic interactions +direction of links

6. BarEcoRe foodweb topology workshop, 8-9 June 2011 How does it fit in BarEcoRe? WP1: Community structure WP2: Trophic interactions WP3: Population distribution WP4: Resilience & Early warning

7. BarEcoRe foodweb topology workshop, 8-9 June 2011 We already have some topologies! Gabrielsen (2009) Cianelli et al. (2006) Vadstein (2009) Arndt et al. (2009) Focus on fish Focus on birds Focus on ice Focus on plankton

8. BarEcoRe foodweb topology workshop, 8-9 June 2011 We already have some topologies! Bodini et al. (2009)

9. BarEcoRe foodweb topology workshop, 8-9 June 2011 Whats next Construct the most accurate and up-to- date food web topology for the Barents Sea, from plankton to whales. Set a reference for future studies.