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Gérer la pollution par les herbicides: une simulation en milieu viticole méditerranéen. L'émission de polluants vue comme problème de décision

Author

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  • Patrick Rio
  • François Causeret
  • Patrick Andrieux
  • Cyril Dejean
  • Elisabeth Frot
  • Xavier Louchart

Abstract

[fre] Cet article expose une approche des possibilités de gestion des pollutions par herbicides en milieu viticole méditerranéen à l'aide des outils de la programmation multiparamétrique. Deux hypothèses de politique de limitation de la pollution sont proposées, par bonification et pénalisation des produits et en associant une taxation des intrants et une bonification des produits. Les résultats montrent que, séparément, bonification et taxation ont un effet environnemental favorable. Leur combinaison entraîne des réponses profondément nonlinéaires pouvant conduire, localement, à des résultats environnementaux contreproductifs. De plus, l'effet positif au niveau de l'exploitation correspond à de médiocres performances sur le Bassin versant proprement dit, les mesures envisagées par les scénarios n'étant pas localisées. [eng] Regulation of herbicide pollution in vineyard: a simulation in a mediterranean area - We investigate in a hydrologic-economic integrated model framework, how different incentive instruments aiming at regulating the emission of no-point source pollutants (herbicides) do heva an impact on cultural practices. Based on multiparametric programming techniques, two combined tools are considered by the decision model: (i) positive and negative quality-based differentiation of the price of the products and (ii) positive differentiation and tax on the polluting inputs. Non-linear responses are observed, with a favorable environmental effect at the farm level when positive différenciation of the price is noticeable. However, this favorable response at the farm level results into poor performances at the watershed level, because the described incentive design does not include location-based devices.

Suggested Citation

  • Patrick Rio & François Causeret & Patrick Andrieux & Cyril Dejean & Elisabeth Frot & Xavier Louchart, 2000. "Gérer la pollution par les herbicides: une simulation en milieu viticole méditerranéen. L'émission de polluants vue comme problème de décision," Économie rurale, Programme National Persée, vol. 259(1), pages 33-49.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_2000_num_259_1_5205
    DOI: 10.3406/ecoru.2000.5205
    Note: DOI:10.3406/ecoru.2000.5205
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    Cited by:

    1. Valdivieso Larrain, Felipe, 2012. "Dynamiques sociales et changement de pratiques viticoles : échanges professionnels, don et identités. Le cas des viticulteurs de deux communes dans l’Hérault," Economics Thesis from University Paris Dauphine, Paris Dauphine University, number 123456789/10457 edited by Alter, Norbert.

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