In 2020, engineers pumped 225,000 cubic yards of dredged sediment into the Columbia River; it became four new islands now being studied as salmon habitat
[ad_1] Brian Ekstrom and Lance Downing pulling the beach seine to collect juvenile fish at a restoration site on the lower Columbia River A routine dredging project on the Lower Columbia River has become a major long-term experiment to see whether dredged sediment can be used to restore lost wildlife habitat.In October 2020, engineers pumped…