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Revolutionary Techniques Using Environmental DNA Are Analysing Entire Ecosystems

Revolutionary Techniques Using Environmental DNA Are Analysing Entire Ecosystems 26/04/2021 Representative image of an underwater ecosystem. Photo: Hung Tran/Pexels Hilary Starks couldn’t wait to get her first three samples of the day. She was standing expectantly on the deck of the 117-foot research vessel Western Flyer in 2015, searching the waters of California’s Monterey Bay below. The winch on deck started moving as pulleys and wires slowly lifted what she was waiting for: a five-foot submersible carrying large plastic bottles full of seawater. Starks, then a lab technician at Stanford University, knew that there were myriad bits of genetic information floating in the one-liter bottles, hidden to human eyes. And modern DNA-deciphering machines would later reveal secrets about the ecosystem the

Celebrate Earth Day by taking part in a Bay Area citizen science project

Celebrate Earth Day by taking part in a Bay Area citizen science project FacebookTwitterEmail 1of2 Look for animals and plants at the beach or at a park or just in your backyard and then photograph and upload your observations as part of a global “bio-blitz” called City Nature Challenge April 30 to May 3.Courtesy Maritime AquariumShow MoreShow Less 2of2 Volunteers for Hawkwatch identify raptors, like this red-tailed hawk (center).Sophia Germer / The Chronicle 2015Show MoreShow Less Taking part in a citizen science project is a way to celebrate Earth Day while learning something new about the local environment. It has the added bonus of helping to alleviate feelings of anxiety about climate change and it’s a good pandemic-era project for families doing distance learning or anyone spending more time outdoors.

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