The largest run of Pink salmon occurs 12-20 months after the fertilization of iron sulphate in the ocean. The iron fertilizer clearly triggered a very large plankton bloom visible from space.
[Fish and Wildlife Service] - Pink salmon mature at 2 years; spawn August - September over coarse gravel and sand, in riffles with moderate to fast currents.
More food could also help pink salmon get bigger to the catchable size. In the rich ocean environment salmon can grow rapidly, gaining more than a pound a month.
There was an Initial Investigation of the North East Pacific Salmon Feeding Waters with Slocum Gliders
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[Fish and Wildlife Service] - Pink salmon mature at 2 years; spawn August - September over coarse gravel and sand, in riffles with moderate to fast currents.
More food could also help pink salmon get bigger to the catchable size. In the rich ocean environment salmon can grow rapidly, gaining more than a pound a month.
There was an Initial Investigation of the North East Pacific Salmon Feeding Waters with Slocum Gliders
Read more »