Salmon Sex Reshapes Rivers

Many forces shape the planet’s rugged features: wind, water, fire, and, of course, salmon sex.

That’s the conclusion from Washington State University researcher Alex Fremier and colleagues in a study that’s billed as one of the first attempts to quantify the earth-shaping power of spawning salmon. They titled their study, in part, “Sex That Moves Mountains,” and it’s a new take on the ways living things transform habitats.
Take Me to the River
Waterways reshape terrain through two prima

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