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Temperature-salinity stress and mercury uptake in the fiddler crab, Uca pugilator
Vernberg, W.B.; O'Hara, J. (1972). Temperature-salinity stress and mercury uptake in the fiddler crab, Uca pugilator. J. Fish. Res. Bd. Can. 29(10): 1491-1494
In: Journal of the Fisheries Research Board of Canada. The Fisheries Research Board of Canada: Toronto. ISSN 0015-296x, more
Peer reviewed article  

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Keyword
    Brackish water

Authors  Top 
  • Vernberg, W.B.
  • O'Hara, J.

Abstract
    Uptake of 203Hg was determined in gill and hepatopancreas tissue from fiddler crabs (U. pugilator) maintained under 6 temperature salinity regimes. Although the total mercury was relatively constant under all experimental conditions, the percent of mercury in each of the tissues was markedly different. At higher temperatures the crabs seem able to transport mercury from gill tissue to the hepatopancreas more effectively than at lower temperatures. This could be a factor in the toxicity of mercury to fiddler crabs at low temperatures.

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