Jan 1, 1977

Mercury and the estuarine marsh clam, Rangia cuneata Gray. I. Toxicity

Archives of Environmental Contamination and Toxicology
T M Dillon

Abstract

Mercury is relatively toxic to Rangia when exposed to initial high concentrations (1 to 6 ppm) followed by low sustained levels (0.013 to 0.432 ppm). Acclimation to low salinity (2 o/ooS) lessens the toxic effect of mercury. Actual concentrations of mercury causing 50% mortality (LC50) in 96 hr are 122 ppb in 2 o/ooS and 58 ppb in 15 o/ooS. Rangia's ability to survive acute mercury exposure (0.87 +/- 0.15 ppm) is enhanced by low level (8.56 +/- 2.54 ppb) contamination followed by a brief period (9 days) in clean sea water.

  • References7
  • Citations3

References

  • References7
  • Citations3

Citations

Mentioned in this Paper

Mercury
Acclimatization
Seawater preparation
Clam allergenic extract
CLAM gene
Mussels
Aqua marina, sea water, Homeopathic preparation
Lethal Dose 50
Sodium Chloride, (24)NaCl
Pontocerebellar Hypoplasia Type 3 (Disorder)

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