…(3) Step-type: A waterway is divided into several pools at regular intervals, and the flow of water is reduced by falling over the partitions into the pool below. In other words, water flows down the stepped pools, and is also called a fish ladder (which broadly includes (1) and (2)). This is the most common type in Japan. … *Some of the terminology that mentions "fish ladder" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(3)階段式 水路を一定間隔で仕切っていくつものプールを造り,流水は仕切りを越えて下のプールに落ちることによって勢いがそがれる。すなわち,階段状のプールを水が流れ落ちてゆくもので,魚梯fish ladder(広義には(1),(2)も含む)とも呼ばれる。日本で最も多く見られる形式である。… ※「fish ladder」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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