2016
Journal Articles
1.
Heymans, J. J.; Coll, M.; Link, J. S.; Mackinson, S.; Steenbeek, J.; Walters, C. J.; Christensen, V.
Best practice in Ecopath with Ecosim food-web models for ecosystem-based management Journal Article
In: Ecological Modelling, vol. 331, pp. 173 -184, 2016.
Abstract | Links | BibTeX | Tags: best practices, EBM, Ecopath with Ecosim
@article{heymans_best_2016,
title = {Best practice in Ecopath with Ecosim food-web models for ecosystem-based management},
author = {J. J. Heymans and M. Coll and J. S. Link and S. Mackinson and J. Steenbeek and C. J. Walters and V. Christensen},
doi = {10.1016/j.ecolmodel.2015.12.007},
year = {2016},
date = {2016-07-10},
urldate = {2016-07-10},
journal = {Ecological Modelling},
volume = {331},
pages = {173 -184},
abstract = {Ecopath with Ecosim (EwE) models are easier to construct and use compared to most other ecosystem modelling techniques and are therefore more widely used by more scientists and managers. This, however, creates a problem with quality assurance; to address this we provide an overview of best practices for creating Ecopath models. We describe the diagnostics that can be used to check for thermodynamic and ecological principles, and highlight principles that should be used for balancing a model. We then highlight the pitfalls when comparing Ecopath models using Ecological Network Analysis indices. For dynamic simulations in Ecosim we show the state of the art in calibrating the model by fitting it to time series using a formal fitting procedure and statistical goodness of fit. Finally, we show how Monte Carlo simulations can be used to address uncertainty in input parameters, and we discuss the use of models in a management context, specifically using the concept of ‘key runs’ for ecosystem-based management. This novel list of best practices for EwE models will enable ecosystem managers to evaluate the goodness of fit of the given EwE model to the ecosystem management question.},
keywords = {best practices, EBM, Ecopath with Ecosim},
pubstate = {published},
tppubtype = {article}
}
Ecopath with Ecosim (EwE) models are easier to construct and use compared to most other ecosystem modelling techniques and are therefore more widely used by more scientists and managers. This, however, creates a problem with quality assurance; to address this we provide an overview of best practices for creating Ecopath models. We describe the diagnostics that can be used to check for thermodynamic and ecological principles, and highlight principles that should be used for balancing a model. We then highlight the pitfalls when comparing Ecopath models using Ecological Network Analysis indices. For dynamic simulations in Ecosim we show the state of the art in calibrating the model by fitting it to time series using a formal fitting procedure and statistical goodness of fit. Finally, we show how Monte Carlo simulations can be used to address uncertainty in input parameters, and we discuss the use of models in a management context, specifically using the concept of ‘key runs’ for ecosystem-based management. This novel list of best practices for EwE models will enable ecosystem managers to evaluate the goodness of fit of the given EwE model to the ecosystem management question.
Contact
Ecopath International Initiative
Barcelona, Spain
PIC 958090341
info@ecopathinternational.org
Ecopath International Initiative is a not-for-profit research organization
Photo credits
© Marta Coll
© Jeroen Steenbeek
© Jeroen Steenbeek

