Prospecting for historical fish data from the Rhone River basin: a contribution to the assessment of reference conditions
Résumé
This paper presents rare cartographic historical fish data known from the Rhone river basin which give spatial and exhaustive data on fish assemblages. The maps may play a role in current research about fish reference conditions. The information recorded in these archives is presented and forms the basis of a critical analysis in order to define the limits of their use.
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