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Rapport scientifique final du volet 1 du projet MAEVEAU : Évaluation organisationnelle des Mesures agro-environnementales territorialisées à enjeu qualité des eaux pour contribuer à une démarche d’évaluation intégrée

Abstract : The following report corresponds to the scientific part WP 2 of the MAEVEAU project. This WP is contributing to the assessment of Territorialized Agri-Environnmental Measures (TAEMs) aiming to improve the water quality as it is deteriorated by non point source pollutions due to the use of phyto-sanitaries. The contracts related to these TAEM were signed during the period 2007 to 2012.The research conducted here is about two complementary issues. The first one (see first Chapter) proposes a theoretical and empirical analysis of these TAEM considering that they imply a farmer’s compliance to achieve a set of predetermined results. However, it is presumed that those results are to some extent flexible in the sense that the parties can both renegotiate and update the commitments in case of exceptional circumstances as for example in case of weather hazards. The research team has applied a choice experiment method analysis. For that, a questionnaire about the contractual conditions has been proposed to a sample of farmers in the Aquitaine and Poitou-Charentes Regions. This questionnaire has been conceived thanks to previous individual enquiries with groups of beneficiaries and after discussions with national and regional experts. The preliminary results highlight the main factors that determine the adoption of the TAEMs and particularly they confirm the importance of transaction costs in the propensity of beneficiaries to renew their commitment after the 2007-2012 period. Thanks to the data basis obtained in this WP, an econometric analysis (discrete choice models) will be developed permitting to estimate the farmers’ willingness to receive AEM subsidies. The second issue (see second Chapter) is about the organisational factors that may influence the acceptability level of the TAEMs. The research is focused on agricultural areas inside two river watersheds in the Midi-Pyrénées Region. The research team has mobilized here an Institutional Economics analysis. The hypothesis advanced is that the collective action that has been developed actively inside organized groups of farmers, especially under the initiative of cooperatives, stimulates fruitful interactions between the farmers engaged in the TAEMs and also through the participation of some key actors such as the consulting technical staff engaged by the cooperatives. The results show essentially that the existing organisation promotes apprenticeships concerning new agricultural practices (mechanical ones) towards which farmers have to shift from the existing ones using chemical products. The key phenomenon that the research displays is that this collective action reduces a great deal of risks and uncertainties linked with the adoption of the new proposed practices. Moreover, the experiences considered here give us a good evidence about two specific factors that improve the acceptability of the TAEMs: a) the commitment, inside the proposed TAEM scheme, of major economic actors, such as cooperatives, which in fact share the innovation risks with the farmers and b) the decisive reduction in the apprenticeship costs (which are another form of transaction costs) for the mechanical practices. These techniques are thus more easily validated as alternatives to the prevalent chemical ones, from the agronomical as well as the economical efficiency point of view in the spirit of farmers.
Mots-clés : MAEVEAU
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Submitted on : Saturday, May 16, 2020 - 4:25:21 AM
Last modification on : Tuesday, March 8, 2022 - 3:10:18 PM


  • HAL Id : hal-02600256, version 1
  • IRSTEA : PUB00041922



Charilaos Kephaliacos, J.P. del Corso, S. Rousset. Rapport scientifique final du volet 1 du projet MAEVEAU : Évaluation organisationnelle des Mesures agro-environnementales territorialisées à enjeu qualité des eaux pour contribuer à une démarche d’évaluation intégrée. [Rapport de recherche] irstea. 2014, pp.57. ⟨hal-02600256⟩



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