Title

Development of Improved Foot Protection Blocks (Fishway Concrete Blocks) Which are Fish-Friendly

Publication Date

1995

Notes

Title, abstract, and figure legends in English, remainder of text in Japanese

Publication Title

Proceedings of the International Symposium on Fishways '95

Start Page

335

End Page

340

Publication Place

Gifu, Japan

Publisher

The Organizing Committee for International Symposium on Fishways '95 in Gifu

Abstract

Fishways have long been regarded as permanent concrete structures. In recent years, however, some fishways have been damaged by floods or storms, and others have suffered differences in water level at their entrance due to the degraded riverbed. Also in riverbed protection works, such as weirs, some of them have obstructed the migration of fish and others have undergone differences in water level at their downstream end due to scours. This study relates to the development of foot protection blocks (fishway concrete blocks) which are improved as to function as fishways which are fish-friendly.

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