Bénéfices non marchands de la préservation de la rade de Brest

Philippe Le Goffe
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Philippe Le Goffe: Unité d'économie et sociologie rurales de rennes - INRA - Institut National de la Recherche Agronomique

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Abstract: Brest natural harbour was chosen by the Eurropean Commnunity as a pilot site in respect to improvements in coasta! water quality. The depollution program will be fnanced by the Community, the French Government and the regional authorites. There are two problems tu be resolved in priority : microbe contamination from urban sources and over enrichment in nutrients from agricultural sources. This paper deals with the non-market value which local people give to water quality in the harbour. Our objectives are to improve the knowledge about the demand for natural assets in France, and simultaneously to prepare a cost-benefit analysis which will help decision-making concerning the restoration of the Harbour. In an on site Survey carried out in summer 1993, we realised a contingent valualion for two goods ; l) improved water salubrity, and 2) preservation of the ecosystem against eutrophication (under uncertainty). The corresponding II/TP's were explained using Tobit models. Il/hatever rhe gooLl, the ll/TP reas seen to , ise with revenue, However, whilst the LI/TP "salubrity" was affected by environmental sensibility and lhe awareness of local pollution, it is above all education which affected the l|tTP "ecosystem". On whole, the residents accepted the exercise of contingent valuation and were willing to give important amounts (FF 2 t 5 and FF I 60 on cverage per household per year respectively for goods I and 2). The behayioural differences between both goods and the significance of the II/TP's thus obtained are discussed.

Keywords: EVALUATION CONTINGENTE; ecosystem; reduction of pollution; POLLUTION DES EAUX; finistère; écosystème; lutte contre la pollution (search for similar items in EconPapers)
Date: 1995-03-14
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Published in 3èmes Rencontres Scientifiques Internationales:Territoire, Territorialisation, Territorialité, Mar 1995, Brest, France. 11 p

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