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Distribution Pattern of Macrophytic Community and Water Quality Indicators in Walloon Rivers
Sossey Alaoui, Khadija; Rosillon, Francis
2020In Him, Lal Shrestha (Ed.) International Research in Environment, Geography and Earth Science Vol. 4
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Keywords :
MACROPHYTES; WATER QUALITY; AQUATIC ECOLOGY
Abstract :
[en] The objectives of this study were to describe the distribution of macrophyte assemblages in relation to physico‐chemical parameters of their environment and to assess the variability in ecological metrics throughout the Walloon river network. Two-way clustering allowed us to simultaneously assign sample units and species to groups by performing two separate cluster analyses. Indicator species analysis allowed us to assess the degree to which a species indicated a group, based on its constancy and distribution of abundance. Hygroamblystegium fluviatile, Chiloscyphus polyanthos and Lemanea fluviatilis were found to characterize acidic and low impacted streams and rivers (G1), while Ranunculus fluitans was found in all low impacted large streams (G2). Potamogeton pectinatus, proved to be more common in eutrophicated waters in the calcareous areas particularly in the ʺLoess low plateauxʺ region (G6). Cinclidotus riparius, Fissidens crassipes and Pellia endiviifolia, appeared in rivers situated in the Condroz region (G4), which was characterized by a high concentration of nitrogen.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Sossey Alaoui, Khadija ;  Université de Liège - ULiège > DER Sc. et gest. de l'environnement (Arlon Campus Environ.) > Eau, Environnement, Développement
Rosillon, Francis ;  Université de Liège - ULiège > DER Sc. et gest. de l'environnement (Arlon Campus Environ.) > Eau, Environnement, Développement
Language :
English
Title :
Distribution Pattern of Macrophytic Community and Water Quality Indicators in Walloon Rivers
Publication date :
31 August 2020
Main work title :
International Research in Environment, Geography and Earth Science Vol. 4
Author, co-author :
Him, Lal Shrestha
Publisher :
Book Publisher International
Peer reviewed :
Peer reviewed
Available on ORBi :
since 02 September 2020

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