Qualité biologique des ruisseaux du domaine universitaire du Sart Tilman (Liège, Belgique) – Hétéroptères et Coléoptères aquatiques

peer reviewed ; Since the ‘60s, a series of biological quality surveys have been conducted on the brooklets at the Sart Tilman campus of the University of Liège. In this paper, we analyse their actual state, and compare the results of our recent field work with those of our predecessors. Slight but significant biological quality degradation seems to be in progress. A study on the aquatic Heteroptera and Coleoptera at species level shows that the fauna is relatively common and poor. For more than a century, the biodiversity of the area is slowly pauperising. ; Depuis les années ’60, la qualité... Mehr ...