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A decade after sea star wasting disease arrived in Sitka Sound, researchers are investigating the relationship between sea urchins, kelp forests and sunflower stars. Scientists still don’t know much about the disease, which causes several species of sea stars, such as sunflower stars, to lose their limbs before dissolving. “Sea star” is the name marine scientists now use with reference to the five-limbed marine invertebrate instead of the common term “starfish,” because it is not actually a fish. Around Sitka, sea star wasting disease i...
After several years of research, Sitka’s new online landslide-warning system is now live. But the site — which uses data from the National Weather Service alongside historical data to determine the level of landslide risk in Sitka — is only a start to the landslide research that remains to be done, said a scientist on the project. “It’s a conclusion but it’s also kind of a beginning,” said Jacyn Schmidt, geoscience coordinator at the Sitka Sound Science Center. Educating Sitkans on how to react to the possibility of landslides, and building...