METHOD TO LET FISH THROUGH VIA HIGH HEAD WATER DEVELOPMENT
FIELD: construction. ^ SUBSTANCE: invention relates to hydraulic engineering, namely, to methods to attract and transfer fish producers via retaining structures to areas of spawning and ongrowing. In the proposed method a fish pass is arranged in the form of a channel 1 of rectangular cross section...
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Format: | Patent |
Sprache: | eng ; rus |
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