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The DEMO-project

DEMOnstration exercise for Integrated Ecosystem Assessment and Advice of Baltic Sea fish stocks

Ecosystem-Based Fisheries Management in Europe is still waiting to be implemented. The reason is mainly a lack of a coherent strategy to include the wider ecosystem context.

The goal of this project is to develop and evaluate an integrated advice for the three main commercial fish stocks in the Baltic Sea, i.e. cod, herring and sprat. We want to demonstrate ways towards the inclusion of multi-species interactions, environmental conditions, bio-economic considerations and projections of the Baltic Sea future into an ecosystem-based fish stock advice and management.

The approach that we will follow is based on efforts of the "ICES/HELCOM Working Group on Integrated Assessments of the Baltic Sea" (WGIAB) and summarized by Möllmann et al (2013).

Gruppbild av forskarna som deltagit i workshopen.

New ways to understand the life of the cod

Halfway through the DEMO-project, scientists now study how environmental factors and food availability affect the cod and its body growth in different life stages.

Ecosystem based fishery management
DEMO workshop on fisheries management and assessment

Towards more ecosystem based fishery

Stockholm University Baltic Sea Centre takes action in developing a more ecosystem based fishery management. During a week in late August, twenty marine scientists from most of the Baltic countries met to outline the first steps towards a future system for ecosystem based management and advice for assessing the Baltic Sea fish stock.

Read about the workshop and watch short interviews
Workshop på Askö

Expert meeting on fisheries management

An international group of leading fish scientists will gather at the fieldstation Askö Laboratory August 25-29. It is the first in a series of workshops in the research project DEMO – DEMOnstration exercise for Integrated Ecosystem Assessment and Advice of Baltic Sea fish stocks.

Workshop in the DEMO-project

Facts DEMO

DEMO - DEMOnstration exercise for Integrated Ecosystem Assessment and Advice of Baltic Sea fish stocks. Project period: 2014-2015

The project is a part of the scientific think tank Baltic Eye at Stockholm University Baltic Sea Centre, and led by Maciej T. Tomczak, Stockholm University, Sweden and Christian Möllmann, University of Hamburg, Germany. The workshops are financed by Granholms stiftelse.

  • Contact: Maciej Tomczak, maciej.tomczak@su.se

Four workshops in a year

Four workshops with different themes will be held during the project period. The workshops will gather scientists from around the Baltic Sea, as well as from other areas, with experience and expertize relevant for each workshop. Each workshop will result in both a scientific output of a per-reviewed paper and a policy brief for a wider audience.

  • DEMO-1 – Askö, 25–29 August 2014 Status evaluation of the Eastern Baltic cod stock and its environment
  • DEMO-2 – Lysekil (in connection to ICES SGSPATIAL) 10-12 of November 2014 Analysis of growth changes in Eastern Baltic cod
  • DEMO-3 – Cadiz (in connection with ICES/HELCOM WGIAB) 9-13 of March 2015 Using environmental information in stock population dynamic models, assessment and predictions
  • DEMO-4 – To be set, Development of Integrated Assessment and Advice for Baltic fish stocks –DEMO

Research focus areas