Influences on Mercury Bioaccumulation Factors for the Savannah River

Michael H Paller, J. A. Bowers, J. W. Littrell, A. V. Guanlao

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Mercury TMDLs (Total Maximum Daily Loads) are a regulatory instrument designed to reduce the amount of mercury entering a water body and ultimately to control the bioaccumulation of mercury in fish. TMDLs are based on a BAF (bioaccumulation factor), which is the ratio of methyl mercury in fish to dissolved methyl mercury in water. Analysis of fish tissue and aqueous methyl mercury samples collected at a number of locations and over several seasons in a 118-km reach of the Savannah River demonstrated that species-specific BAFs varied by factors of three to eight. Factors contributing to BAF variability were location, habitat, and season-related differences in fish muscle tissue mercury levels and seasonal differences in dissolved methyl mercury levels. Overall (all locations, habitats, and seasons) average BAFs were 3.7 × 106 for largemouth bass, 1.4 × 106 for sunfishes, and 2.5 × 106 for white catfish. Determination of representative BAFs for mercury in fish from large rivers necessitates collecting large and approximately equal numbers of fish and aqueous methyl mercury samples over a seasonal cycle from the entire area and all habitats to be represented by the TMDL.

Original languageEnglish (US)
Pages (from-to)236-243
Number of pages8
JournalArchives of Environmental Contamination and Toxicology
Volume46
Issue number2
StatePublished - Feb 1 2004

Fingerprint

Bioaccumulation
Mercury
Rivers
Fish
bioaccumulation
methylmercury
fish
Fishes
river
habitat
Ecosystem
Tissue
Muscle
mercury
Water
muscle
Perciformes
Bass
Catfishes
Body Water

ASJC Scopus subject areas

  • Toxicology
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

Paller, M. H., Bowers, J. A., Littrell, J. W., & Guanlao, A. V. (2004). Influences on Mercury Bioaccumulation Factors for the Savannah River. Archives of Environmental Contamination and Toxicology, 46(2), 236-243.

Influences on Mercury Bioaccumulation Factors for the Savannah River. / Paller, Michael H; Bowers, J. A.; Littrell, J. W.; Guanlao, A. V.

In: Archives of Environmental Contamination and Toxicology, Vol. 46, No. 2, 01.02.2004, p. 236-243.

Research output: Contribution to journalArticle

Paller, MH, Bowers, JA, Littrell, JW & Guanlao, AV 2004, 'Influences on Mercury Bioaccumulation Factors for the Savannah River', Archives of Environmental Contamination and Toxicology, vol. 46, no. 2, pp. 236-243.
Paller, Michael H ; Bowers, J. A. ; Littrell, J. W. ; Guanlao, A. V. / Influences on Mercury Bioaccumulation Factors for the Savannah River. In: Archives of Environmental Contamination and Toxicology. 2004 ; Vol. 46, No. 2. pp. 236-243.
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