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Columbia River dredging is helping endangered birds, but it may also be hurting salmon
Columbia River dredging is helping endangered birds, but it may also be hurting salmon
Columbia River dredging is helping endangered birds, but it may also be hurting salmon

Published on: 09/15/2026

This news was posted by Oregon Today News

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Description

Each year, dredging vessels suck up sediment from the river bottom to keep the Columbia River's shipping channel clear. The impact isn't well understood.

News Source : https://www.kgw.com/article/tech/science/environment/portland-columbia-river-channel-dredging-habitat-fish-lark-sediment-us-corps/283-5bc6ca94-9962-4303-83c4-59e290a42e3b

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