The Agricultural Model Exchange Initiative

Martre Pierre, Donatelli Marcello, Pradal Christophe, Enders Andreas, Ahmed Midingoyi Cyrille, Athanasiadis Ioannis, Fumagalli Davide, Holzworth Dean, Hoogenboom Gerrit, Porter Cheryl, Raynal Hélène, Rizzoli Andrea E., Thorburn Peter J.. 2018. The Agricultural Model Exchange Initiative. In : Abstracts of the 7th AgMIP Global Workshop. IICA. San José : IICA, Résumé, pp. 17-18. AgMIP Global Workshop. 7, San José, Costa Rica, 24 April 2018/26 April 2018.

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Published version - Anglais
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Abstract : Process-based crop simulation models are increasingly popular tools to analysis and predict the response of agricultural systems to climatic, agronomic and, more recently genetic, factors. The diversity of models in use illustrates the success of crop modeling. For instance, in it is current work the AgMIP Wheat team uses 42 different wheat models. Several groups in AgMIP have reported large uncertainty in climate impact studies, which is calling for more systematic model intercomparisons and improvements at the process level. However, the limited possibilities of model components (algorithms) and code exchange between platforms/models hinders such work. Collaborative efforts between crop physiologists, crop modelers, and software engineers are urgently needed to ease the integration in crop models of new knowledge in plant and soil sciences. To this end, several leading groups in the field have recently liaised to form the Agricultural Model Exchange Initiative (AMEI). AMEI is an open initiative that aims to address different challenges for exchanging model units at different granularities (from individual processes to whole plant) between modeling frameworks by (1) defining standards to describe model units and composition exchange format based on a declarative representation; (2) including unit tests with invariants and shared standard parametrizations; and (3) developing a web-platform to publish, document, and exchange the model units. We will provide a conceptual and technical overview of the state of the work and give practical examples of successful component exchange between different frameworks.

Auteurs et affiliations

  • Martre Pierre, INRA (FRA)
  • Donatelli Marcello, ISCI (ITA)
  • Pradal Christophe, CIRAD-BIOS-UMR AGAP (FRA) ORCID: 0000-0002-2555-761X
  • Enders Andreas, University of Bonn (DEU)
  • Ahmed Midingoyi Cyrille, Montpellier SupAgro (FRA)
  • Athanasiadis Ioannis, Wageningen University and Research Centre (NLD)
  • Fumagalli Davide, ISPRA (ITA)
  • Holzworth Dean, CSIRO (AUS)
  • Hoogenboom Gerrit, University of Florida (USA)
  • Porter Cheryl, University of Florida (USA)
  • Raynal Hélène, INRA (FRA)
  • Rizzoli Andrea E., IDSIA (CHE)
  • Thorburn Peter J., CSIRO (AUS)

Source : Cirad-Agritrop (

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