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Blue Growth boundaries in novel Baltic food webs (BONUS BLUEWEBS) Laura Uusitalo, Marie Nordström, Bärbel MüllerKarulis, Rüdiger Voss, Thorsten Blenckner, Christian Möllmann BONUSHELCOM Conference: Research and Innovation for Sustainability 6 November 2018, Copenhagen

Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

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Page 1: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

Blue Growth boundaries in novel Baltic food webs

(BONUS BLUEWEBS)

Laura Uusitalo, Marie Nordström, Bärbel Müller‐Karulis, Rüdiger Voss, Thorsten Blenckner, Christian Möllmann

BONUS‐HELCOM Conference: Research and Innovation for Sustainability 

6 November 2018, Copenhagen

Page 2: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

Image: HELCOM, 2010. Ecosystem health of the Baltic Sea 2003–2007: HELCOM Initial Holistic Assessment. Balt. Sea Environ. Proc. No. 122.

Food webs change

Page 3: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

In the past…

Lindegren et al. 2012. Global Change Biology 18 (12): 3491-3503. DOI: 10.1111/j.1365-2486.2012.02799.x

Uusitalo et al. 2018: https://doi.org/10.1016/j.ecoinf.2018.03.003

Page 4: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

A multi‐trophic trait‐based approach reveals ecosystem‐wide restructuring in response to local drivers and climate (in prep)L Pecuchet, M Lindegren, S Kortsch, I Jurgensone, P Margonski, S Otto, I Putnis, S Strāķe, MC Nordström

Traits data across groups on:SizeHabitatFeeding Reproduction

Integrating temporal changes in the community weighted mean traits across multiple trophic levels: phytoplankton, zooplankton, fish and benthos

• Multiple Factor Analysis: data reduction• Searches for joint variations across groups

Ecological communities

CWM  traits

Dim 1  (x%) Dim 2 (x%)

Years

Multi‐trophic trait‐based changes 

CWM traits

+ addition variables:Key species abundanceEnvironmental variable

Page 5: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

Ecosystem‐wide restructuring in the trait compositions was evident in each area, from traits changes reflecting a recovery of the benthic pathway (Kattegat), to a trophic cascade (Gulf of Riga)

Page 6: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

…and in the future

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Page 7: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

Broadening the view for society’sneeds

? !Analyse Discuss Find integrative solutions

Drawings: © Lorena Fricke

Page 8: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

Together with the stakeholders

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Page 9: Blue Growth boundaries in novel Baltic food webs (BONUS ... · Microsoft PowerPoint - 2018 BONUS HELCOM day Cph BLUEWEBS prez TO BE SHARED [Read-Only] Author: maisir Created Date:

BONUS BLUEWEBS project has received funding from BONUS (Art 185), funded jointly by the EU, the Academy of Finland, Projektträger Jülich (PtJ), 

Germany, the State Education Development Agency of Latvia,the National Centre for Research and Development, Poland, 

and the Swedish Research Council Formas.