Counting salmon is a breeze with airborne eDNA

Counting salmon is a breeze with airborne eDNA

During the annual salmon run last fall, University of Washington researchers pulled salmon DNA out of thin air and used it to estimate the number of fish that passed through the adjacent river. Aden Yincheong Ip, a UW research scientist of marine and environmental affairs, began formulating the driving hypothesis for the study while hiking on […]

Carbon-rich waters are becoming even more acidic as atmospheric CO2 levels rise

Carbon-rich waters are becoming even more acidic as atmospheric CO2 levels rise

The waters bordering North America could soon be inhospitable to critical marine creatures if the Northeastern Pacific Ocean continues to acidify at the current rate, a new study shows. Earth’s oceans have become approximately 30% more acidic since the industrial revolution began more than 200 years ago. Acidification changes marine chemistry and depletes key minerals that calcifying organisms, such […]

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