NewEnergyNews: …AND CLIMATE CHANGE HITS THE BEACHES

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    THINGS-TO-THINK-ABOUT WEDNESDAY,:

  • TTTA Wednesday-ORIGINAL REPORTING: California’s Rooftop Solar Supports Questioned
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  • FRIDAY WORLD, May 27:
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    Friday, July 15, 2011

    …AND CLIMATE CHANGE HITS THE BEACHES

    Nutrition and income from molluscs today imply vulnerability to ocean acidification tomorrow
    Cooley, Lucey, Kite-Powell & Doney, July 2011 (Blackwell Publishing)

    "Atmospheric carbon dioxide (CO2) emissions from human industrial activities are causing a progressive alteration of seawater chemistry, termed ocean acidification, which has decreased seawater pH and carbonate ion concentration markedly since the Industrial Revolution.

    "…Many marine organisms, like molluscs and corals, build hard shells and skeletons using carbonate ions, and they exhibit negative overall responses to ocean acidification. This adds to other chronic and acute environmental pressures and promotes shifts away from calcifier-rich communities. In this study, we examine the possible implications of ocean acidification on mollusc harvests worldwide…"


    click to enlarge

    "…We assess nations’ vulnerability to ocean acidification-driven decreases in mollusc harvests by comparing nutritional and economic dependences on mollusc harvests, overall societal adaptability, and the amount of time until the transition decade. Projected transition decades for individual countries will occur 10–50 years after 2010…[depending on adaptability and nutritional or economic dependence on molluscs]…

    "…These transition decades suggest how soon nations should implement strategies, such as increased aquaculture of resilient species, to help maintain current per capita mollusc harvests..."

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