真駒内川における底生魚類生息環境の改善についての現地実験
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概要
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It is important to clarify the relationships of aquatic organisms matter which make up the river environment. This report describes the impact of channel work on fish habitat. Next it presents field experiments for improving benthic fish habitats and shows environmental effects of sand improvements. The report also describes the classification of riffles and pools by local Froude number. Therefore, it shows changes to benthic fish habitats elucidated by environment indexes of Froude numbers and proportions of loose stone.