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    Home » Mollusks » Page 6

    Mollusks

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    Impact of elevated CO2 on shellfish calcification

    Calcification rates of the blue mussel and the Pacific oyster decline with increasing ocean acidification. Mussel and oyster calcification may decrease by 25 percent and 10 percent, respectively, [...]

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    Interactive effects of ocean acidification and warming on subtidal mussels and sea stars from Atlantic Canada

    Sea stars collected in Nova Scotia, Canada, grew more slowly under ocean acidification conditions, and their growth rate decreased further with a warmer temperature. In contrast, blue mussel grew [...]

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    Short-term acute hypercapnia affects cellular responses to trace metals in the hard clams Mercenaria mercenaria

    Experiments with quahogs exposed to trace metal pollutants under ocean acidification conditions revealed complex interactions and indicated that variations in environmental CO2 may modulate the [...]

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    Immunomodulation by the interactive effects of cadmium and hypercapnia in marine bivalves Crassostrea virginica and Mercenaria mercenaria

    Ocean acidification increased the negative effects of cadmium pollution on the immune systems of quahogs and eastern oysters, potentially making them more vulnerable to pathogens and disease. [...]

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    Impacts of seawater acidification on mantle gene expression patterns of the Baltic Sea blue mussel: Implications for shell formation and energy metabolism.

    Experiments with blue mussels from the Baltic Sea revealed a molecular basis of observed changes in physiology in response to ocean acidification. (Laboratory study)

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    Interactive effects of CO2 and trace metals on the proteasome activity and cellular stress response of marine bivalves Crassostrea virginica and Mercenaria mercenaria

    Ocean acidification caused Eastern oysters and hard shell clams to accumulate more metal pollutants, which affected their physiology. (Laboratory study)

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    Hypoxia and acidification have additive and synergistic negative effects on the growth, survival, and metamorphosis of early life stage bivalves

    In larval scallops, ocean acidification (pH 7.4–7.6) reduced survivorship by more than 50 percent. Low-oxygen water inhibited growth and metamorphosis. When exposed to both low oxygen and ocean [...]

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    Biology of the hard clam

    This book provides a comprehensive summary of knowledge of the hard clam by experts in various disciplines.

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    Impact of ocean acidification and elevated temperatures on early juveniles of the polar shelled pteropod Limacina helicina: Mortality, shell degradation, and shell growth.

    When pre-winter juvenile pteropods were cultured at a range of warmer temperatures and ocean acidification levels for 29 days, temperature was the overriding cause of increased mortality. [...]

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    The metabolic response of pteropods to acidification reflects natural CO2-exposure in oxygen minimum zones.

    Four species of pteropods from the tropical Pacific Ocean that naturally migrate into low-oxygen waters were not adversely affected when grown under ocean acidification conditions. However, [...]

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