Issue |
Annls Limnol.
Volume 17, Number 2, 1981
|
|
---|---|---|
Page(s) | 105 - 120 | |
DOI | https://doi.org/10.1051/limn/1981008 | |
Published online | 15 June 2011 |
Les groupements de macrophytes aquatiques de la Loue
The groupings of aquatic macrophytes in the river Loue
1
Laboratoire d'Hydroécologie - Division Qualité des Eaux, Pêche et Pisciculture du C.E.M.A.G.R.E.F., 3, quai Chauveau, 69009 Lyon
2
Bureau d'études : Environnement - Participation - Aménagement, 13, rue des Cordeliers, 39000 Lons-le-Saunier
Les groupements de macrophytes aquatiques de la Loue ont été déterminés à partir de relevés effectués en avril, mai et juin 1977. Parallèlement, les variations de trois composantes morphodynamiques, à savoir la vitesse du courant, la nature du substrat et la hauteur d'eau, semblant régir la distribution des végétaux, ont été notés.
Cinq associations à phanérogames, Phragmitetum communis, Helosciadetum nodiflori, Callitricho-Myriophylletum alterniflori, Potamogetonetum perfoliati-lucentis et Ranunculetum fluitantis ainsi que trois associations à Bryophytes, Cratoneuretum commutati, Cinclidotetum fontinalis et Cinclidotetum aquatici, ont été repérées et leur amplitude typologique déterminée.
Abstract
The groupings of aquatic macrophytes of the Loue have been determined from samples taken in April, May and June 1977. Records were also taken simultaneously of three morphodynamic factors that appeared to affect the distribution of the vegetation; namely current speed, the nature of the substratum, and the water depth.
Five associations of flowering plants (Phragmitetum communis, Helosciadetum nodiflori, Callitriche-Myriophylletum alterniflori, Potamogetum perfoliati-lucentis and Ranunculetum fluitantis), as well as three associations of bryophtes (Cratoneuretum commutati, Cinclidotetum fontinalis and Cinclidotetum aquatici) have been located and their typological range determined.
© Masson, 1981
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