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The chinook salmon are back at the Whitehorse Rapids fish ladder. You can watch them live, pooling at the bottom of the ladder. Right now, as I watch, there are twenty or so salmon waiting their turn to go through. What do you see?
A fish ladder is a way to get the fish swimming upstream around the dam. It’s a system of ascending weirs, and the fish move up and through, leaping over the partitions or swimming through underwater doorways from one weir to the next until they go around the dam and into Schwatka Lake. From there the salmon continue travelling to the same creek they came from, where they spawn and die.
A few chinook salmon swimming in the fish ladder last year
As they pass through the ladder, salmon are counted, and their sex and size is determined and recorded. This year so far there have been 220 Chinook salmon through the ladder, with about 100 of those coming through today.