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Biomonitoring of the Water Quality in the River Warche (Belgium): Impact of Tributaries and Sewage Effluent

Biomonitoring of the Water Quality in the River Warche (Belgium): Impact of Tributaries and... BIOMONITORING OF THE WATER QUALITY IN THE RIVER WARCHE (BELGIUM): IMPACT OF TRIBUTARIES AND SEWAGE EFFLUENT* by YVES MARNEFFE, SOPHIE COMBLIN, JEAN-CLAUDE BUSSERS and JEAN-PIERRE THOMÉ (Université de Liège, Laboratoire d'Ecologie Animale et d'Ecotoxicologie, Institut de Zoologie, Quai Van Beneden 22, 4020 Liège, Belgium) ABSTRACT Between March 1994 and March 1995, sampling campaigns were carried out each fortnight in order to determine the physical, chemical and biological quality of the water in the river Warche. Macroinvertebrate and rotifer biomonitoring (based on the global and Belgian biotic index and on the Sládecek index respectively) were used as bioindicators. These biotic indices were related to the main physical and chemical parameters monitored between the source and the town of Malmédy (i.e., a river length of 40 km). Important seasonal and longitudinal changes of physical, chemical and biological water quality occur. The deterioration of the water quality in the river Warche is obvious in two sectors of the river. Strong organic pol- lution and eutrophication were observed between the source and the sampling station located downstream of Büllingen. Indeed, along this sector, tributaries, sewage and dairy effluent flow into the Warche and induce significant increase of nitrate, nitrite, ammonium and phosphate http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Netherlands Journal of Zoology (in 2003 continued as Animal Biology) Brill

Biomonitoring of the Water Quality in the River Warche (Belgium): Impact of Tributaries and Sewage Effluent

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Publisher
Brill
Copyright
© 1996 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2960
eISSN
1568-542X
DOI
10.1163/156854297X00292
Publisher site
See Article on Publisher Site

Abstract

BIOMONITORING OF THE WATER QUALITY IN THE RIVER WARCHE (BELGIUM): IMPACT OF TRIBUTARIES AND SEWAGE EFFLUENT* by YVES MARNEFFE, SOPHIE COMBLIN, JEAN-CLAUDE BUSSERS and JEAN-PIERRE THOMÉ (Université de Liège, Laboratoire d'Ecologie Animale et d'Ecotoxicologie, Institut de Zoologie, Quai Van Beneden 22, 4020 Liège, Belgium) ABSTRACT Between March 1994 and March 1995, sampling campaigns were carried out each fortnight in order to determine the physical, chemical and biological quality of the water in the river Warche. Macroinvertebrate and rotifer biomonitoring (based on the global and Belgian biotic index and on the Sládecek index respectively) were used as bioindicators. These biotic indices were related to the main physical and chemical parameters monitored between the source and the town of Malmédy (i.e., a river length of 40 km). Important seasonal and longitudinal changes of physical, chemical and biological water quality occur. The deterioration of the water quality in the river Warche is obvious in two sectors of the river. Strong organic pol- lution and eutrophication were observed between the source and the sampling station located downstream of Büllingen. Indeed, along this sector, tributaries, sewage and dairy effluent flow into the Warche and induce significant increase of nitrate, nitrite, ammonium and phosphate

Journal

Netherlands Journal of Zoology (in 2003 continued as Animal Biology) – Brill

Published: Jan 1, 1996

Keywords: biomonitoring; rotifer(s); river; macroinvertebrate(s); water quality; bioindicator(s)

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