Nov. 10—Sea otters play a critical ecological role along the Oregon Coast as a "keystone species" of the kelp ecosystem, according to Peter Hatch of the Elakha Alliance and Confederated Tribes of ...
New research is causing the original keystone species, the ochre sea star Pisaster ochraceus, to lose some of its supposed ecosystem-controlling powers. Photo by Jeff Rotman/Alamy Stock Photo This ...
Some species play an outsize role in the environment they inhabit. Beavers build dams that create ponds where fish thrive. Otters in kelp forests eat enough sea urchins so that the kelp can grow ...
The Australian government says it's "disappointed" after an international conservation meeting in Hobart failed to reach agreement on improved protection measures in Antarctica.
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