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Title

Structure of interstitial assemblages in a regulated channel of the river rhine (France)

Authors
Creuzé des Châtelliers, M.
Marmonier, P.
Dole-Olivier, M. J.
Published in Regulated Rivers: Research and Management. 1992, vol. 7, no. 1, p. 23-30
Abstract The interstitial assemblages of the River Rhine were studied in the Rhinau sector (France). The studied area is located in aVegulated channel of the river, controlled by a hydroelectric dam. Twenty stations were sampled in September 1988. Ten litres of interstitial water were pumped at 50 cm depth in each station using the Bou-Rouch technique. Interstitial waters were poorly oxygenated and the hyporheic fauna had three major characteristics: (1) microcrustaceans were dominant, (2) the insects were rare and (3) the stygofauna was absent. The richest stations were well oxygenated and did not correspond to any particular geomorphological features. These findings contrast with the situation observed on other large European rivers (Rhǒne, Danube) where the interstitial assemblages appear to be locally more diversified and rich in stygofauna.
Keywords Interstitial habitatsRhineInvertebratesRegulated riverOxygen
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CREUZÉ DES CHÂTELLIERS, M. et al. Structure of interstitial assemblages in a regulated channel of the river rhine (France). In: Regulated Rivers: Research and Management, 1992, vol. 7, n° 1, p. 23-30. doi: 10.1002/rrr.3450070105 https://archive-ouverte.unige.ch/unige:72936

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Deposited on : 2015-06-02

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