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Bioaccumulation and Effects of Heavy Metals in Crayfish: A Review

Kouba, Antonín ; Buřič, Miloš ; Kozák, Pavel

Water, Air, & Soil Pollution, 2010, Vol.211(1), pp.5-16 [Tạp chí có phản biện]

ISSN: 0049-6979 ; E-ISSN: 1573-2932 ; DOI: 10.1007/s11270-009-0273-8

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  • Nhan đề:
    Bioaccumulation and Effects of Heavy Metals in Crayfish: A Review
  • Tác giả: Kouba, Antonín ; Buřič, Miloš ; Kozák, Pavel
  • Chủ đề: Aquatic environment ; Bioindicator ; Crustacea ; Heavy metals contamination ; Metal pollution
  • Là 1 phần của: Water, Air, & Soil Pollution, 2010, Vol.211(1), pp.5-16
  • Mô tả: Metal pollution is a global problem which represents a growing threat to the environment. Because of bioaccumulation and negative effects of heavy metals, their bioavailability needs to be monitored. Many studies showed accumulation of metals in crayfish tissues as dose- and time-dependent without significant differences in tissue concentration levels comparing males and females. Muscles and exoskeleton were considered as specific for accumulation of mercury and nickel, respectively. Cadmium, zinc, copper, lead, and chromium accumulated mainly in hepatopancreas. By analyzing these specific tissues, it is possible to deduce the bioavailability and, by presumption, the level of environmental pollution by specific metals. However, in the case of zinc and copper, their utility is limited to assessing bioavailability because rapid depuration of these metals renders them less useful for long-term environmental monitoring programs. The literature reporting heavy metal impacts on freshwater crayfish, with reference to accumulation levels, is reviewed and summarized with respect to their suitability as bioindicators. Summarized published data from unpolluted or control localities can be used as referential values in crayfish, and consequently help with evaluation of monitored sites.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0049-6979 ; E-ISSN: 1573-2932 ; DOI: 10.1007/s11270-009-0273-8

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