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Base de donnée cartographique présentant l\u2019état poisson, tel qu\u2019établi sur base de pêches et/ou d\u2019avis d\u2019experts.<\/SPAN><\/P>

L\u2019objectif de cette carte est de fournir une vision globale à l\u2019échelle du district qui permette de donner une idée de la qualité piscicole et sur le fait que les poissons constituent ou non un facteur limitant à l\u2019état écologique d\u2019une masse d\u2019eau.<\/SPAN><\/P>

Selon les méthodologies utilisées par les Parties, différentes modalités d\u2019estimation et d\u2019utilisation des données poissons sont à distinguer: l\u2019état ou potentiel poisson estimé à partir de pêches est représenté par une pastille de couleur à la station de mesure (FR, W, BR) ou au point médian d\u2019évaluation, sur base de prélèvements en plusieurs points (NL); lorsque ces données ont été utilisées pour l\u2019estimation de l\u2019état poisson de la masse d\u2019eau, celui-ci est représenté par la mise en couleur du linéaire de la masse d\u2019eau (FR, W, BR, NL); <\/SPAN><\/P>

en FR, les données poisson n\u2019interviennent pas dans l\u2019estimation du potentiel écologique, d\u2019où pour les masses d\u2019eau artificielles et fortement modifiées, une représentation uniquement à la station de mesure ;<\/SPAN><\/P>

en VL, l\u2019état ou le potentiel poisson n\u2019est pas déterminé sur base des seules pêches mais bien à partir d\u2019avis d\u2019experts, en conséqu ence de quoi l\u2019état ou potentiel poisson est présenté uniquement à l\u2019échelle de la masse d\u2019eau.<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "geometryType": "esriGeometryPoint", "sourceSpatialReference": { "wkid": 3034, "latestWkid": 3034, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -31211800, "falseY": -27510400, "xyUnits": 10000, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "SPW - CIE", "parentLayer": null, "subLayers": [], "minScale": 0, "maxScale": 0, "referenceScale": 0.0, "drawingInfo": { "renderer": { "type": "uniqueValue", "field1": "ETAT_MESURE_CODE", "uniqueValueGroups": [ { "heading": "", "classes": [ { "label": "Good and more", "description": "Good and more", "symbol": { "type": "esriSMS", "style": "esriSMSSquare", "color": [ 76, 230, 0, 255 ], "size": 7, 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