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L’interprétation des résultats d’analyses chimiques d’échantillons environnementaux de sédiments nécessite l’accès à des valeurs de référence ou à des critères de qualité consensuels. Suite à notre publication dans Aqua & Gas 4/2012, des demandes de précis ...
Le sédiment constitue un compartiment dynamique et essentiel dans les écosystèmes aquatiques.Il joue un rôle important pour de nombreux animaux et végétaux en tant qu’habitat ou site de ponte. Cependant, il présente la caractéristique d’adsorber des pollua ...
2012
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For several decades, the abundance and community structure of benthic macroinvertebrates have been studied to assess the biological quality of aquatic ecosystems. Procedures aiming at studying the whole of macroinvertebrate communities were mainly designed ...
2020
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In Switzerland, surface waters are protected by the Swiss Water Protection Ordinance (OEaux) which stipulates that the water quality shall be such that: "the water, suspended matter and sediments contain no persistent synthetic substances to ensure the pro ...
2020
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Aquatic oligochaete communities are valuable indicators of the biological quality of sediments in streams and lakes, but identification of specimens to the species level based on morphological features requires solid expertise in taxonomy and is possible o ...
2020
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The presence of the oligochaete species Quistadrilus multisetosus (Smith, 1900) originating from North America has been mentioned for several decades in Europe, the Middle East and Russia. Its distribution and abundance in Europe is still unknown but it ca ...
2020
Sediments are an essential component of fluvial ecosystems. They are also quite often a cause of disturbance for fluvial works, such as dams or locks. In order to manage these disturbances without causing adverse impacts downstream, managers should have in ...
Edp Sciences S A2016
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A validation or adaptation of the TEC-PEC values for Switzerland is recommended before SQG can be implemented. Background concentrations can be established on a regional scale when a broad database is available, e.g. 5%-percentile of data. Else the FOREGS ...