Bureau Waardenburg
Varkensmarkt 9
4101 CK Culemborg
the Netherlands
T: +31 (0) 345 512710
email buwa

Hydrobiologische fact sheets
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Fact sheets for hydrobiological monitoring networks

Bureau Waardenburg has long been involved with hydrobiological monitoring and regularly carries out such work for various water authorities. The data gathered through such monitoring are usually provided as data files. Our staff have developed an initiative that means that these data are also now presented in fact sheets, which provide a clear overview of the data.

Together with Aqualab Zuid and Koeman en Bijkerk, we prepared such fact sheets for the sampling points in the management area of the water authority for Delfland in the Netherlands. The fact sheets contain concise descriptions of the sampling point and further analysis of the data. This means that the results are more clearly communicated with the water authority.

Assessment under the Water Framework Directive

Since 2006, we have been conducting routine hydrobiological monitoring across a large number of surface waters in the management area of the water authority for Delfland. The water authority uses the results to guide its water management and policies. The use of sampling strips sufficient for monitoring under the Water Framework Directive (WFD) and national guidelines (STOWA ebeosys) provide useful figures. These data, however, do not always provide a sufficient view of the ecological status of the water. Therefore, we prepared fact sheets that provided a concise interpretation of the results. Each fact sheet give an overview of the sampling point and the results of the sampling in the context of WFD and national monitoring and a concise explanation of the analysis for phytoplankton, macrophytes, diatoms and macrofauna.

The next step .....

In recent decades, several different hydrobiological assessment methods have been developed, each with its own objectives. Although the same waters are always assessed using the same method, there is always a risk that differences do occur and these are not detected due to the automation of analysis. The fact sheets provide a concise summary of the data, helping anomalies to be detected. We have  the idea to further develop these fact sheets into 'web sheets' that can be easily searched and archived. To develop these ideas further we would like to work with water authorities and managers of waterways to ensure these fully fulfill the aims.

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