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Indicateurs liés à la qualité de l'eau et comportements ; application aux lacs d'Annecy et du Bourget

Author

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  • F. Bonnieux
  • G. Miclet
  • P. Rainelli

Abstract

[eng] The investigation of environment indicators is a descriptive approach but it has the advantage of leading fairly rapidly to practical conclusions. We present the results of an application to two Alpine lakes - Annecy and Le Bourget. It is based on a comparison of hydrobiological parameters and socio-economic data. . The comparative study of the two lakes leads to a global view in which the purity of the water is of great importance. We demonstrate that it is possible to judge it according to two hydrobiological variables - the colour and turbidness of the water. To go further than this one must distinguish between the various functions of the water. There may be incompatibilities between them which poses the problem of spacial distribution and hence of planning. In practical terms we have built four particular functions (sport, ecology, its ludico-social function and its visual function). For each we propose particular indicators. [fre] La recherche d'indicateurs d'environnement correspond à une approche certes descriptive, mais qui a le mérite de déboucher assez rapidement sur le plan pratique. Nous présentons les résultats d'une application au cas de deux lacs alpins : Annecy et Le Bourget. Elle repose sur une mise en relation de paramètres de nature hydrobiologique et de données socio-économiques. . L'étude comparée des deux lacs aboutit à dégager une vision globale dans laquelle la pureté de l'eau a une valeur primordiale. Nous montrons qu'il est possible de l'appréhender par deux variables hydrobiologiques : couleur et turbidité de l'eau. Dès que l'on veut aller plus avant, on doit distinguer les diverses fonctions de l'eau. Entre celles-ci, il peut exister des incompatibilités, ce qui pose des problèmes de répartition spatiale donc d'aménagement. Pratiquement, nous avons construit quatre fonctions particulières (fonction sportive, écologique, ludico-sociale et eau à regarder). Pour chacune, sont proposés des indicateurs particuliers.

Suggested Citation

  • F. Bonnieux & G. Miclet & P. Rainelli, 1977. "Indicateurs liés à la qualité de l'eau et comportements ; application aux lacs d'Annecy et du Bourget," Économie rurale, Programme National Persée, vol. 120(1), pages 18-25.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1977_num_120_1_2501
    DOI: 10.3406/ecoru.1977.2501
    Note: DOI:10.3406/ecoru.1977.2501
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