Neutral modelling of agricultural landscapes by tessellation methods—Application for gene flow simulation.

Florence Le Ber; Claire Lavigne; Katarzyna Adamczyk; Frédérique Angevin; Nathalie Colbach; Jean-François Mari; Hervé Monod

hal-00409081, version 1

Neutral modelling of agricultural landscapes by tessellation methods—Application for gene flow simulation.

Florence Le Ber ( Auteur à contacter de préférence ) ^1, 2, Claire Lavigne ³, Katarzyna Adamczyk ⁴, Frédérique Angevin ⁵, Nathalie Colbach ⁶, Jean-François Mari ², Hervé Monod ⁴

Ecological Modelling 220 (2009) 3536-3545

1 : Laboratoire d'Hydrologie et de Géochimie de Strasbourg (LHyGeS)
http://lhyges.u-strasbg.fr
CNRS : UMR7517 – Université de Strasbourg – INSU – ENGEES 1 rue Blessig, F-67084 Strasbourg Cedex France
2 : ORPAILLEUR (INRIA Lorraine - LORIA)
INRIA – CNRS : UMR7503 – Université Henri Poincaré - Nancy I – Université Nancy II – Institut National Polytechnique de Lorraine (INPL) France
3 : Unité de recherche Plantes et Systèmes de Culture Horticoles (PSH)
http://www.avignon.inra.fr/
Institut national de la recherche agronomique (INRA) : UR1115 Domaine St Paul, Site Agroparc, 84941 Avignon Cedex 9, France France
4 : INRA - Mathématiques et Informatique Appliquées (Unité MIAJ)
http://w3.jouy.inra.fr/unites/miaj/
Institut national de la recherche agronomique (INRA) Centre de Jouy-en-Josas Domaine de Vilvert F78352 JOUY-EN-JOSAS Cedex France
5 : Unité Impacts Ecologiques des Innovations en Production Végétale (ECO-INNOV)
Institut national de la recherche agronomique (INRA) : UA1240 France
6 : Biologie et Gestion des Adventices (BGA)
Institut national de la recherche agronomique (INRA) : UR1210 – Université de Bourgogne – Etablissement National d'Enseignement Supérieur Agronomique de Dijon France

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Soumis le : Mercredi 9 Septembre 2009, 12:05:26
Dernière modification le : Jeudi 19 Novembre 2009, 16:54:39

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DOI : 10.1016/j.ecolmodel.2009.06.019

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%% hal-00409081, version 1
%% http://hal.archives-ouvertes.fr/hal-00409081
@article{leber:hal-00409081,
    hal_id = {hal-00409081},
    url = {http://hal.archives-ouvertes.fr/hal-00409081},
    title = {{Neutral modelling of agricultural landscapes by tessellation methods-Application for gene flow simulation.}},
    author = {Le Ber, Florence and Lavigne, Claire and Adamczyk, Katarzyna and Angevin, Fr{\'e}d{\'e}rique and Colbach, Nathalie and Mari, Jean-Fran{\c c}ois and Monod, Herv{\'e}},
    abstract = {{Neutral landscape models are not frequently used in the agronomical domain, whereas they would be very useful for studying given agro-ecological or physical processes. Contrary to ecological neutral landscape models, agricultural models have to represent and manage geometrical patches and thus should rely on tessellation methods. We present a three steps approach that aimed at simulating such landscapes. Firstly, we characterized the geometry of three real field patterns; secondly, we generated simulated field patterns with two tessellation methods attempting to control the value of some of the observed characteristics and, thirdly, we evaluated the simulated field patterns. For this evaluation, we considered that good simulated field patterns should capture characteristics of real landscapes that are important for the targeted agro-ecological process. Real landscapes and landscapes simulated using either a Voronoi or a rectangular tessellation were thus compared when used as input data within a gene flow model. The results showed that neither tessellation method captured field shapes correctly, thus leading to over or (small) under estimation of gene flow. The Voronoi tessellation, though, performed better than the rectangular tessellation. Possible research directions are proposed to improve the simulated patterns, including the use of post processing, the control of cell orientation or the implementation of other tessellation techniques.}},
    keywords = {neutral landscape models; agricultural landscapes; gene flow; spatial point process; voronoi diagrams; rectangular tessellation; field pattern; genexp-landsites},
    language = {Anglais},
    affiliation = {Laboratoire d'Hydrologie et de G{\'e}ochimie de Strasbourg - LHyGeS , ORPAILLEUR - INRIA Lorraine - LORIA , Unit{\'e} de recherche Plantes et Syst{\`e}mes de Culture Horticoles - PSH , INRA - Math{\'e}matiques et Informatique Appliqu{\'e}es - Unit{\'e} MIAJ , Unit{\'e} Impacts Ecologiques des Innovations en Production V{\'e}g{\'e}tale - ECO-INNOV , Biologie et Gestion des Adventices - BGA},
    pages = {3536-3545},
    journal = {Ecological Modelling},
    volume = {220},
    audience = {internationale },
    doi = {10.1016/j.ecolmodel.2009.06.019 },
    year = {2009},
    pdf = {http://hal.archives-ouvertes.fr/hal-00409081/PDF/rapport-ecomod09.pdf},
}

%F hal-00409081, version 1
%0 Journal Article
%U http://hal.archives-ouvertes.fr/hal-00409081
%2 INFO:INFO_AI;SDV:EE;SDV:SA
%T Neutral modelling of agricultural landscapes by tessellation methods—Application for gene flow simulation.
%A Le Ber, Florence
%A Lavigne, Claire
%A Adamczyk, Katarzyna
%A Angevin, Frédérique
%A Colbach, Nathalie
%A Mari, Jean-François
%A Monod, Hervé
%+ Laboratoire d'Hydrologie et de Géochimie de Strasbourg - LHyGeS , ORPAILLEUR - INRIA Lorraine - LORIA , Unité de recherche Plantes et Systèmes de Culture Horticoles - PSH , INRA - Mathématiques et Informatique Appliquées - Unité MIAJ , Unité Impacts Ecologiques des Innovations en Production Végétale - ECO-INNOV , Biologie et Gestion des Adventices - BGA
%X Neutral landscape models are not frequently used in the agronomical domain, whereas they would be very useful for studying given agro-ecological or physical processes. Contrary to ecological neutral landscape models, agricultural models have to represent and manage geometrical patches and thus should rely on tessellation methods. We present a three steps approach that aimed at simulating such landscapes. Firstly, we characterized the geometry of three real field patterns; secondly, we generated simulated field patterns with two tessellation methods attempting to control the value of some of the observed characteristics and, thirdly, we evaluated the simulated field patterns. For this evaluation, we considered that good simulated field patterns should capture characteristics of real landscapes that are important for the targeted agro-ecological process. Real landscapes and landscapes simulated using either a Voronoi or a rectangular tessellation were thus compared when used as input data within a gene flow model. The results showed that neither tessellation method captured field shapes correctly, thus leading to over or (small) under estimation of gene flow. The Voronoi tessellation, though, performed better than the rectangular tessellation. Possible research directions are proposed to improve the simulated patterns, including the use of post processing, the control of cell orientation or the implementation of other tessellation techniques.
%G Anglais
%R 10.1016/j.ecolmodel.2009.06.019
%J Ecological Modelling
%2 internationale
%8 2009-00-00
%V 220
%P 3536-3545
%K neutral landscape models; agricultural landscapes; gene flow; spatial point process; voronoi diagrams; rectangular tessellation; field pattern; genexp-landsites

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Ecological Modelling
Publisher	Elsevier
ISSN	0304-3800