California's crashing kelp forest

First the sea stars wasted to nothing. Then the purple urchins took over, eating and eating until the bull kelp forests were gone. The red abalone starved. Their fishery closed. Red sea urchins starved. Their fishery collapsed. ...

Once-abundant sea stars imperiled by disease along West Coast

The combination of ocean warming and an infectious wasting disease has devastated populations of large sunflower sea stars once abundant along the West Coast of North America in just a few years, according to research co-led ...

Microbiome implicated in sea star wasting disease

The culprit might be many microbes. Since 2013, a gruesome and mysterious disease has killed millions of sea stars along the West Coast from Mexico to Alaska—making the animals turn to goo, lose their legs, and pull their ...

Sea stars critical to kelp forest resilience

A study by Simon Fraser University resource and environmental management researcher Jenn Burt reveals that sunflower sea stars play a critical role in the resilience of B.C.'s kelp forests, which are among the most productive ...

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