Our friends at The Bay Foundation created this Time lapse video showing the effects of kelp restoration over time after urchin removal off Palos Verdes Peninsula in southern California.
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California sheephead and spiny lobsters may be helping control sea urchin populations in Southern California kelp forests, where sea otters—a top urchin predator—have long been missing, according to a new San Diego State University (SDSU) study published in the journal Ecology. The research provides new insight into the complex predator-prey relationships in kelp forests that can be seen in the absence of sea otters.
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The kelp forests of California are one of the most diverse and productive ecosystems in the state, providing a home to more than 800 species of plants and animals. 2 Beginning in 2013, a “perfect storm” of kelp stressors led to the loss of more than 93 percent of the bull kelp along the coast of Northern California.
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https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.4963
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The “marine heat wave” is triggering a “continental-scale collapse of a pivotal predator,” says new study.
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There is a growing movement among scientists in Oregon and the West Coast to get the Sunflower sea stars listed as an endangered species.
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A pronounced, widespread and persistent regime shift among marine ecosystems is observable on temperate rocky reefs as a result of sea urchin overgrazing.
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Ranching sea urchins, RAS shrimp production and land-based seaweed cultivation were among the ventures pitched to potential investors at Fish 2.0’s meeting in California this week.
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A sea urchin dubbed the “cockroach of the ocean” has almost completely destroyed the kelp forests off the coast of Northern California — endangering the regions biodiversity and local economy. And it's all because of climate change.
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The majestic vistas of the northern Californian coastline conceal an underwater slaughter that is troubling scientists and endangering local fishermen.
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Early on a gray summer Saturday, an unusual assemblage — commercial fishermen, recreational boaters, neoprene-clad divers — gathered for a mission at Albion Cove, a three-hour drive north of San Francisco.
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Fresh, salty and creamily opulent, this rust-coloured paste, known in Japan as uni, is a meal I’ll remember for the rest of my life
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Too many purple sea urchins and not enough bull kelp continues to stymie California’s red urchin dive industry. Since the one-two punch of El Niño and the warm-water blob in 2016, bull kelp beds have declined by 93 percent from previous years, according to a study by the California Fish and Game Commission.
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The spiny California sea urchin has busted out of the sushi bar and is having its moment on just about every menu in Los Angeles right now, in everything from uni jam to uni ice cream.
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A webinar series focussed on marine ecosystem restoration provides fresh perspectives on how we can benefit from better planning for a healthy marine environment.
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You might know them as ozzy eggs, but maybe they'd be better referred to as a cash cow.
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Sea urchins hit all the taste pleasure points – salt, sweet and umami. In a lot of places, sea urchins are overfished, but that certainly isn't the case off the coast of California, where there's such an overabundance of purple sea urchins that it has become an aquacultural concern.
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Here are five of the biggest challenges our oceans face, and what we can do to solve them.
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We launch our kayaks at dawn from a pristine, sheltered cove and paddle about a quarter-mile up the pinnacle-studded Mendocino coastline to a craggy reef just offshore.
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Researchers assess how the quality of red sea urchin roe—uni—influences fishermen's behavior
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