The Wecoma crisscrossed back and forth along transect lines that extend away from the coastline and out past the edge of the continental shelf. Whiskey Creek Hatchery supplies young oysters to roughly 50-85% of West Coast oyster operations in a given year. What’s important about the changes that are occurring is that they’re happening very rapidly due to human CO2 pollution. He enters the Smithsonian’s National Museum of Natural History and walks downstairs into a packed auditorium. Pike Place Fish Market is one of the oldest continually operated public farmers’ markets in the U.S., and it remains one of Seattle’s most popular tourist destinations.

Each day the oceans absorb 22 million tons of carbon dioxide from the atmosphere, most of which comes from burning fossil fuels and cutting down forests.

Beginning about six years ago, shellfish hatcheries experienced a collapse of oyster production that was due in part to ocean acidification.

It’s a favorite food of small fishes, which, in turn, support larger fishes, penguins, whales and seabirds.

“Will humans decide to address this problem at its root by reducing carbon dioxide emissions?”. Though no one had ever found “acidified” corrosive waters on the continental shelf off the West Coast of North America before, the team feared that seasonal wind-driven upwelling might bring those waters up from the depths and onto the relatively shallow continental shelf. “At the rates of climate change and ocean acidification we’re seeing now, many organisms may be not able to keep up,” Doney says.

A decade ago, they were struggling to answer basic questions about the linkages between carbon dioxide, ocean acidification, and the devastating consequences for marine species. Oyster hatchery managers called Feely, all of them asking a similar question: Could corrosive waters possibly be responsible for killing millions of oysters in Washington and Oregon?

They traveled with an international team of scientists—including Debby Ianson from the Institute of Ocean Sciences in Canada and Jose Martin Hernandez-Ayon from the Instituto de Investigaciones Oceanológias in Mexico—conducting the first large-scale carbon survey along the West Coast. Zooplankton lives inside the coral structures. We can take steps to reduce our carbon dioxide emissions and take steps to protect the ocean.”. Ocean acidification strips seawater of the materials that marine animals — such as corals, plankton and shellfish — use to build their shells and skeletons. Feely published these findings in the mid-1980s, but few people noticed. Ocean Acidification – From Ecological Impacts to Policy Opportunities, “Canaries in a coal mine: What shellfish can teach us about ocean acidification.”. “That cost may seem high but the rapid decline in oyster and crab populations points to a critical need for understanding ocean acidification impacts on the West Coast’s $111 million shellfish industry,” Feely states. Closest to the atmospheric source of excess carbon dioxide, the ocean’s surface waters are the first to show the effects of acidification. Hatchery owners are seriously concerned about the future of the shellfish industry.



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