, Smith had a whole host of tree stumps chained together along the stream bank, and logs and a boulder added to the water.
Migrating, she explained, is a tiring journey, and salmon need a place to take shelter and rest. The crevices in these logs and roots provide a natural habitat where they can do that. Additionally, having the weight of the stumps against the bank prevents the bank from eroding, which in turn stops sediment from clogging up the stream.
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