| Issue |
Annls Limnol.
Volume 22, Number 3, 1986
|
|
|---|---|---|
| Page(s) | 209 - 217 | |
| DOI | https://doi.org/10.1051/limn/1986019 | |
| Published online | 15 August 2009 | |
Principes généraux pour une méthode d'appréciation de la qualité globale des sédiments lacustres à l'aide d'une analyse simplifiée des malacocénoses
General principles for a method of assessing the overall quality of lacustrine sediments, using a simplified analysis of the mollusc community
CEMAGREF 3, quai Chauveau 69009 LYON
Trois phénomènes généraux établis à partir d'observations réalisées sur trente lacs permettent de décrire la dégradation progressive des peuplements de Mollusques. Un modèle composé de sept situations successives et susceptible de fournir les bases d'une méthode globale d'appréciation de la capacité biogénique des sédiments lacustres est proposée.
Abstract
Three general phenomena established from observations on thirty lakes can be used to describe a progressive degradation in the mollusc populations. A model with seven successive situations is proposed and serves as an overall method of assessment for the biogenic capacity of lacustrine sediments.
Mots clés : Mollusques / lacs / capacité biogénique / sédiments
Key words: Mollusc / lakes / biogenic capacity / sediments
© Masson, 1986
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