Diver Matt Pressly broke the water’s surface with a cloud of bubbles and clipped a bag containing a single sea urchin to an orange buoy bobbing beside him in the water off San Diego. For more than 30 years, Pressly has been diving off the coast of California for sea urchins, sold in sushi restaurants […]
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Human trade and transport have led to the intentional and accidental introductions of non-native species outside of their natural range globally. These biological invasions can cause extinctions, cost trillions, and spread diseases. A study from the GEOMAR Helmholtz Centre for Ocean Research Kiel, now published in Global Ecology and Biogeography, has investigated how many of these non-native species […]
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