1.
First occurrence of the Ponto-Caspian amphipod Echinogammarus trichiatus (Martynov, 1932) (Crustacea: Gammaridae) in Belgium
2.
3.
4.
5.
6.
7.
8.
9.
Netherlands: Sluice Gates on Enclosure Dam & IJsselmeer
Metazachlor traces in the main drinking water reservoir in Luxembourg: a scientific and political discussion