Off the Northern California coast, there is a crisis beneath the waves. The kelp forest – seaweed that provided habitat and food for much of life in the ocean – is gone, wiped out by an exploding population of purple sea urchins.
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Off the Northern California coast, there is a crisis beneath the waves. The kelp forest – seaweed that provided habitat and food for much of life in the ocean – is gone, wiped out by an exploding population of purple sea urchins.
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Avec le réchauffement des océans, les oursins menacent la biodiversité marine. Une entreprise veut faire de cet animal un incontournable des sushis gastronomiques.
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Denise MacDonald held out a tray of spiny purple sea urchins. The roe, served in the shell and the color of egg yolk, contrasted nicely with the urchin's dark, purple spines. MacDonald, director of global brand marketing at a company called Urchinomics, invited me to have a taste. I scooped up a blueberry-sized amount with a spoon.
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在自然環境下，海膽的主食是海藻與海草，根據《快公司》（Fast Company）報導，美國加州外海近年因為紫海膽大量增生，導致海藻生長速度遠不及紫海膽吃的速度，不但對當地海藻造成威脅，也讓其他海洋生物挨餓，海膽反而成了對生態「有害」的生物，破壞海洋生態。
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Kelp forests are in danger of disappearing with purple sea urchins gobbling up kelp at unprecedented rates. Due to a 10,000-fold increase in population levels, purple urchins are killing off the very food source that they rely on.
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Coastal kelp forests provide fertile breeding grounds for various species of fish and other organisms. Unfortunately, many of these marine habitats are disappearing faster than rainforests. Sea urchins are partly to blame.
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Sea urchin ranching innovator Urchinomics is establishing a semi-commercial scale feeding facility in Japan’s Oita Prefecture.
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An invasion of sea urchins is threatening to turn large areas of the world’s seabed into desert-like barrens. But thanks to Norwegian research, businesses now have an economic incentive to rid the waters of these destructive pests.
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Warm water and “sea star wasting disease” helped urchins take over the coast, a new study finds.
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PALO ALTO, California, US -- A sea urchin ranching company has secured a sought-after permitted aquaculture facility in California, its first site in the US and hopes to begin operations by late next year.
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Purple sea urchins have laid waste to Northern California coastal zones in recent years, decimating the kelp forest and ruining the habitat of other sea creatures that depend on it.
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PURPLE SEA URCHINS ARE INVADING CALIFORNIA’S COAST. THE STARTUP URCHINOMICS HAS ONE SOLUTION: EAT THEM.
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华盛顿 — 气候变化继续在世界海洋上留下印记。随着气温的升高，水位也在上升。温暖的海水加速了一些海洋生物的繁殖，这威胁了其他物种的生存。
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Tens of millions of voracious purple sea urchins that have already chomped their way through towering underwater kelp forests in California are spreading north to Oregon, sending the delicate marine ecosystem off the shore into such disarray that other critical species are starving to death.
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紫海膽大量繁殖業者將危機變美食商機
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Climate change continues leaving its mark on the world’s oceans. Water levels are rising along with temperatures. Warmer waters supercharge some marine life's reproduction rates, putting other species' very survival at risk. VOA’s Arash Arabasadi takes us under the sea.
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Tens of millions of voracious purple sea urchins that have already chomped their way through towering underwater kelp forests in California are spreading north to Oregon, sending the delicate marine ecosystem off the shore into such disarray that other critical species are starving to death.
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Tens of millions of voracious purple sea urchins that have already chomped their way through towering underwater kelp forests in California are spreading north to Oregon, sending the delicate marine ecosystem off the shore into such disarray that other critical species are starving to death. It's similar to what has been reported in B.C.
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Voracious purple urchins in waters of California and Oregon pose threat to kelp forests and risk upending delicate ecosystems.
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