Effect of water quality on waterbugs (Hemiptera: Gerromorpha & Nepomorpha) in Flanders (Belgium): results from a large-scale field surveyKoen Lock, Tim Adriaens, Frank Van De Meutter and Peter GoethalsAnn. Limnol. - Int. J. Lim., 49 2 (2013) 121-128DOI: https://doi.org/10.1051/limn/2013047