eDNA Shows Where Washington Culvert Replacements Helped Spawning Salmon
Environmental DNA sampling has helped researchers monitor ocean and freshwater systems for changes. It helped document the spread of invasive European green crab. Now's helping salmon in the Washington.
To help struggling salmon populations, the state of Washington is legally required to replace hundreds of culverts that divert streams under roadways. The state transportation department is replacing old, rusting metal pipes with broad, concrete promenades that provide more gradual gradients and gentler ...
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