堰を壊した後のサケの遡上 Salmons going up stream after a small dam was broken
サケが遡上できなくなっていた北海道の羽幌町にある羽幌川支流の二股沢で堰の真ん中の部分が取り壊されたので、サケが遡上できるようになりました。ただ、その上流にある治山ダムがサケの遡上を阻んでいる。
Salmon can go up Futamata stream of Haboro River, Haboro, Northern Hokkaido, Japan, after the central part of a small dam preventing from the salmon going up was broken. However, a larger dam located in the upstream completely prevents from the salmons going up the stream.
Видео 堰を壊した後のサケの遡上 Salmons going up stream after a small dam was broken канала haruma1108
Salmon can go up Futamata stream of Haboro River, Haboro, Northern Hokkaido, Japan, after the central part of a small dam preventing from the salmon going up was broken. However, a larger dam located in the upstream completely prevents from the salmons going up the stream.
Видео 堰を壊した後のサケの遡上 Salmons going up stream after a small dam was broken канала haruma1108
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