Crayfish Articles

  • Invasive crayfish as vectors of mercury in freshwater food webs of the Pacific Northwest

    Invasive species are important drivers of environmental change in aquatic ecosystems, and can alter habitat characteristics, community composition, and ecosystem energetics. Such changes have important implications for many ecosystem processes, including the bioaccumulation and biomagnification of contaminants through food webs. We measured mercury in two non‐native and one native crayfish ...

    By John Wiley & Sons, Ltd.

  • River Erosion

    With extensive frontage along the banks of the River Thames, the grounds of the world famous Henley Management College are much used by students and visitors alike. But when wave action and signal crayfish burrowing undermined a quarter of a mile of the riverbank revetments to the point where the lawns were being undercut by deep water-filled caverns, urgent remedial action was required. The ...

    By BritishFlora

  • Mercury in the Northern Crayfish, Orconectes virilis (Hagen), in New England, USA

    Biologists and policy makers continue to seek environmental correlates of mercury bioavailability in aquatic ecosystems. In this study, we assessed the effects of drainage basin, habitat type, size class, and sex on mercury concentrations in the northern crayfish, Orconectes virilis (Hagen). Drainage basin, habitat type, and size class had significant effects on mercury concentration in crayfish ...

    By Springer

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