experimental assessment of the effectiveness of gravel cleaning operations in improving hyporheic water quality in potential salmonid spawning areas

Dissolved oxygen (DO) conditions within the hyporheic zone were investigated in a gravel stream (River Sieg) in North Rhine Westphalia, Germany, populated in the spawning season by recurring migratory fish species, like Atlantic salmon (Salmo salar L.) and sea trout (Salmo trutta trutta L.). The gra...

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Bibliographic Details
Published in:	River research and applications 2008-02, Vol.24 (2), p.119-131
Main Authors:	Meyer, E.I, Niepagenkemper, O, Molls, F, Spänhoff, B
Format:	Article
Language:	eng
Subjects:	Animal and plant ecology Animal, plant and microbial ecology Atlantic salmon Biological and medical sciences dissolved oxygen fine sediment Fresh water ecosystems Freshwater Fundamental and applied biological sciences. Psychology gravel cleaning hyporheic zone Marine Salmo salar Salmo trutta trutta sediment accumulation spawning Synecology
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Summary:	Dissolved oxygen (DO) conditions within the hyporheic zone were investigated in a gravel stream (River Sieg) in North Rhine Westphalia, Germany, populated in the spawning season by recurring migratory fish species, like Atlantic salmon (Salmo salar L.) and sea trout (Salmo trutta trutta L.). The gravel bed was cleaned at three sites in an area of approximately 150 m² to a depth of 50 cm, reducing the quantity of grains
ISSN:	1535-1459 1535-1467