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Effect of flooding on estuarine bivalve populations near the mouth of the Hopkins River, Victoria, Australia
Matthews, T.G.; Constable, A.J. (2004). Effect of flooding on estuarine bivalve populations near the mouth of the Hopkins River, Victoria, Australia. J. Mar. Biol. Ass. U.K. 84(3): 633-639
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Matthews, T.G.
  • Constable, A.J.

Abstract
    The densities of two common intertidal/shallow subtidal bivalves, Soletellina alba and Arthritica helmsi, were sampled in vegetated and unvegetated habitats of the Hopkins River estuary on three occasions during the autumn/winter 1995. Winter flooding coincided with mass mortalities of the infaunal bivalve S. alba, but not A. helmsi. Mortalities were apparent for individuals living deeper in the sediment ([approximate]35 cm) in vegetated and unvegetated habitats, but small S. alba (<1 mm) were less susceptible to mortality than larger individuals (>1 mm). Mortalities were similar across different habitat types and sediment depths, and at multiple sites within close proximity to the estuary mouth.

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