Marine biologist Scott Groth is undertaking one of the longest monitoring projects on Oregon's nearshore. While red sea urchin numbers appear normal, purple sea urchin populations have exploded in recent years with alarming impacts to kelp forests.

Produced in partnership with the Elakha Alliance

Articles about Scott's work:

https://newportnewstimes.com/article/sea-urchin-population-explodes

https://oregonmarinereserves.com/2019/10/24/urchins/