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Unio crassus was an abundant species in most of the rivers in Luxembourg.
In recent decades, however, stocks decresed and *Unio crassus* is nowadays only present in the river Our and the river Sauer.  
Since both river systems have transboundary river basins, the exchange of information with our neighboring countries is necessary and should be encouraged.   
  
For this reason, an international water forum was organized in the framework of the LIFE project.   
In the catchment area of the Our the first water meeting was held on 2nd April 2014.   
In this first meeting, representatives of the following stakeholders were able to briefly present their current and future projects for the protection of the catchment area of the Our.   
  
Representatives of the Nature Parks from Belgium, Germany and Luxembourg   
  
Representatives of sewage treatment from Belgium, Germany and Luxembourg   
  
Representative of the water authorities from Belgium, Germany and Luxembourg

- [![Wasserforum Our 1 - International Water-Meeting for the river Our](/thumbnails/53789-212-0-Max.jpg)](/files/53789.jpg "Wasserforum Our 1 - International Water-Meeting for the river Our")
- [![Wasserforum Our 2 - International Water-Meeting for the river Our](/thumbnails/53788-212-0-Max.jpg)](/files/53788.jpg "Wasserforum Our 2 - International Water-Meeting for the river Our")