Article (Scientific journals)
Incidences de la pollution organique et de l'eutrophisation sur la faune ichtyologique de la Semois
Philippart, Jean-Claude
1980In Annales de Limnologie, 16 (1), p. 77-89
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Keywords :
River Semois (Meuse), Fish-fauna; barbel-zone, Barbus barbus; eutrophication, organic pollution
Abstract :
[en] Fish surveys by electrofishing in the Semois (a tributary of the River Meuse) in 1977 showed the effects of a marked organic population (upper reaches) of the Semois and a serious eutrophication (lower reaches) on the fish fauna. There was : 1) elimination or reduction of populations of C. gobio, S. trutta, A. bipunctatus, B. barbus and C. nasus.; 2)replacement of B.barbus by L. cephalus ; 3) reduction of the relative biomass of the group B.barbus+ C. nasus which is a good indicator of the structural stability of the fish-coenosis; 4) reduction of the total biomass of fish. These results illustrate certain aspects of differences in pollution sensitivity (of an ecophysiological nature) and resilience (of a demographic nature)between fish species that are typical of this type of river (barbel zone).
Disciplines :
Environmental sciences & ecology
Author, co-author :
Philippart, Jean-Claude ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Biologie du comportement - Ethologie et psychologie animale
Language :
French
Title :
Incidences de la pollution organique et de l'eutrophisation sur la faune ichtyologique de la Semois
Alternative titles :
[en] The effects of organic pollution and eutrophication on the fish fauna of the River Semois
Publication date :
1980
Journal title :
Annales de Limnologie
ISSN :
0003-4088
eISSN :
2100-000X
Publisher :
Université de Toulouse III (Paul Sabatier), Toulouse, France
Volume :
16
Issue :
1
Pages :
77-89
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Demographie et productivité des poissons dans les eaux douces de Wallonie
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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