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The synergistic effects of temperature, salinity, and mercury on survival and metabolism of the adult fiddler crab, Uca pugilator
Vernberg, W.B.; Vernberg, F.J. (1972). The synergistic effects of temperature, salinity, and mercury on survival and metabolism of the adult fiddler crab, Uca pugilator. Fish. Bull. 70(2): 415-420
In: Fishery Bulletin. US Government Printing Office: Washington, D.C.. ISSN 0090-0656, more
Peer reviewed article  

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Keywords
    Contamination; Crabs; Estuaries; Industrial wastes; Metabolism; Salinity; Survival; Synergistic effect; Water pollution; Uca (Leptuca) pugilator (Bosc, 1801) [WoRMS]; Marine; Brackish water

Authors  Top 
  • Vernberg, W.B.
  • Vernberg, F.J.

Abstract
    Gill tissues of U. pugilator, were the major site of mercury concn; lesser amounts accumulated in the hepatopancreas and green gland. Very small amounts were found in the carapace and muscle tissue. No significant differences in the amount of mercury in tissues of males and females were found. A concentration of mercury sublethal to fiddler crabs under optimum conditions of temp and salinity greatly reduced survival times when crabs were placed under conditions of temp and salinity stress. Males were more susceptible to the synergistic effects of mercury in combination with environmental stress than were females. Metabolic rates of male and female fiddler crabs were affected by prolonged exposure to mercury both under optimum environmental conditions and under temp and salinity stress. Metabolic rates of males were more adversely affected than those of females.

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