Journal
ENVIRONMENTAL POLLUTION
Volume 145, Issue 1, Pages 185-194Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2006.03.027
Keywords
speciation; total mercury; methylmercury; inorganic mercury; liquid chromatography; atomic fluorescence spectrometry; bird tissues; muscle; intestines; kidney; liver; cormorant (Phalacrocorax carbo); great crested grebe (Podiceps cristatus); eurasian buzzard (Buteo buteo); common carp (Cyprinus carpio); grass carp (Ctenopharyngodon idella); northern pike (Esox lucius); goldfish (Carassius auratus); common tench (Tinca tinca); perch (Perca fluviatilis) and rudd (Scardinius erythoplithalmus); aquatic ecosystem Zahlinice
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Total mercury and mercury species (methylmercury-MeHg, inorganic mercury -Hg2+) were determined in the aquatic ecosystem Zahlinice (Czech Republic). Four tissues (muscle, intestines, liver and kidney) of three bird species-cormorant, great crested grebe and Eurasian buzzard, muscle tissues of common carp, grass carp, northern pike, goldfish, common tench, perch and rudd, aquatic plants (reed mace and common reed), sediments and water were analysed. Relative contents of MeHg (of total Hg) were in the range from 71% to 94% and from 15% up to 62% in the muscle and intestines and in liver, respectively, for all birds. Statistically significant differences were found between contents of MeHg in liver tissues of young and adult cormorant populations (F-4.60 = 56.71, P < 10(-5)). Relative contents of MeHg in muscle tissues of fishes were in the range from 65.1% to 87.9% of total Hg. (c) 2006 Elsevier Ltd. All rights reserved.
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