This hits shellfish hatchlings particularly hard. Oyster larvae build their first protective shells within six hours after emerging from the egg. The shells protect the larvae as they float in the water column, where they’ll remain until they’re large enough to attach to rocks or other substrates.
If calcium carbonate is scarce on the day of hatching because the wind has caused mineral-dissolving deep water to well up, the effort of building the shell can easily overwhelm young oysters. Those that don’t die outright become highly susceptible to disease and predators. If any survive at all, they grow unusually slowly.
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In a recent paper in the Humboldt Journal of Social Relations, the authors write that sea level rise “presents people in our region with an opportunity to work together and envision a more just and resilient future.” From a wide swath of academia, Indigenous Tribes and community as well as government organizations, including Humboldt Waterkeeper, the authors are members of the interdisciplinary Sea Level Rise Institute at Cal Poly Humboldt. Sea level rise “can only begin to be understood and addressed if different disciplines and types of knowledge are brought together,” they write.