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Are ecological indices based on macrophytes communities pertinent tools to monitor ecological potential of Walloon reservoirs?
Sossey Alaoui, Khadija; Galoux Daniel, SPW; Rosillon, Francis
2012the 8th International Symposium Use of Algae for Monitoring Rivers
 

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Keywords :
Aquatic vegetation; Walloon reservoirs,; macrophyte metrics; ecological potential; WFD
Abstract :
[en] Diversity and trophic metrics based on macrophyte communities were calculated to test their pertinence to assess the ecological potential of Walloon reservoirs (Belgium). The BE-FL method (four complementary metrics) and the United Kingdom method (five metrics calculated using information on taxonomic composition and abundance of macrophyte species and groups of such species) were tested. Highly significant correlations were found between the chemical variables (o-P (mg P/l); P tot (µg P/l); NH4+ (mg N/l) DCO (mg/l) Cond (µS/cm), the phytoplankton assemblage index, Q (Padisak et al., 2006) applied for the same reservoirs (Descy et al., 2010). and trophic metric LMNI and between them and the abundance of disturbance indicators (V). Groupe of macrfophyte species metrics do not necessarily provide any direct information on the quality or degree of degradation of the environment from which the sample was taken, whereas trophic indices do.
Research center :
Department of the Environment, Agriculture, Nature and Water Management (DEMNA),
Disciplines :
Environmental sciences & ecology
Author, co-author :
Sossey Alaoui, Khadija ;  Université de Liège - ULiège > DER Sc. et gest. de l'environnement (Arlon Campus Environ.) > DER Sc. et gest. de l'environnement (Arlon Campus Environ.)
Galoux Daniel, SPW
Rosillon, Francis ;  Université de Liège - ULiège > DER Sc. et gest. de l'environnement (Arlon Campus Environ.) > DER Sc. et gest. de l'environnement (Arlon Campus Environ.)
Language :
English
Title :
Are ecological indices based on macrophytes communities pertinent tools to monitor ecological potential of Walloon reservoirs?
Alternative titles :
[en] Are ecological indices based on macrophytes communities pertinent tools to monitor ecological potential of Walloon reservoirs?
Publication date :
19 June 2012
Number of pages :
A0
Event name :
the 8th International Symposium Use of Algae for Monitoring Rivers
Event organizer :
Universidad de Alcalá Colegio Mayor de San Ildefonso Plaza de San Diego, s/n
Event place :
28801 - Alcalá de Henares MADRID, Spain
Event date :
19 -22 June 2012
By request :
Yes
Audience :
International
Name of the research project :
Evaluation de la qualité biologique des eaux de surface wallonnes sur base des indices biologiques ayant trait aux macrophytes
Funders :
SPW - Service Public de Wallonie [BE]
Available on ORBi :
since 20 June 2012

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