Training courses

Ecopath with Ecosim - introduction and advanced

8 - 12 June 2026
ICES Headquarters, Copenhagen, Denmark

Application deadline: 13 April 2026

This course is organized to familiarize novice and experienced users with the core principles of the Ecopath with Ecosim modelling approach, with a focus on application, particularly in the context of ICES science and advice.

The course will cover the core software components, including:

Ecopath: an approach to simulate a mass balanced snapshot (often one year) of a marine food web and the flow of energy between trophic levels and fisheries.
Ecosim: a temporal dynamic modelling approach to simulate changes in marine food webs over time, in response to human and environmental drivers.
Ecospace: a spatial-temporal modelling approach used to simulate spatial management plans and their impacts on the spatial structure and function of marine food webs.
 
​We will also receive a guest lecture on the use and development of RPath.

The course will be given in the context of development within ICES, including the integration of ecosystem-informed science into advisory products such as ICES Ecosystem Overviews and catch opportunity advice. We will also touch on the process of model validation and review which has previously been carried out for EwE models assessed by the ICES Working Group on Multispecies Assessment Methods (WGSAM).


Level

We welcome participants from all backgrounds. An understanding of marine ecology and R are beneficial; however, the software is user friendly and designed for interdisciplinary use and participatory approaches. The course is open to novice and experienced users of the EwE approach.


Main target audience

The course is aimed to marine scientists interested in Ecosystem-Based Management, Ecosystem-Based Fisheries Management, and ecosystem modelling.

If your institute requires an invoice/factura for your training course registration, please click here.


Please note that issuing an invoice /factura will add a €50 administration fee to the Training Course Registration price. 
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Cour​se instructors:

Jeroen Steenbeek, Ecopath International Initiative, Spain

Jacob Bentley​, Institute of Marine Sciences, Spain

Fees:

950 Euros for ICES member country affiliated participants

1550 Euros for non-member country affiliated participants​​

The training course fee is payable upon submission of your application. Please have your credit card details ready when completing your application. If the course is cancelled or postponed, the fee will be reimbursed to you. 
Disclaimer:
Please note that your registration for ICES Training Course is not final until confirmed. If the course does not meet the minimum number of participants, it may be cancelled or rescheduled. If the course is cancelled you will receive a full refund of the course fee. We recommend waiting to book any travel arrangements until you receive confirmation from us that the course will proceed as scheduled. You will be notified about the status of your application and course confirmation after the registration deadline has passed.
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Ecopath with Ecosim - introduction and advanced

International Council for the Exploration of the Sea (ICES) · Conseil International pour l'Exploration de la Mer (CIEM)
ICES Secretariat · H. C. Andersens Boulevard 44-46, DK 1553 Copenhagen V, Denmark · Tel: +45 3338 6700 · Fax: +45 3393 4215 · [email protected]
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