Comparison of metal burden in different muscle tissues of Great cormorant (Phalacrocorax carbo)

Lehel, József; Grúz, Adrienn; Bartha, András; Pintér, Imre; Lénárt, Zoltán; Major, László; Menyhárt, László; Szabó, Rita; Budai, P

doi:10.1007/s11356-021-15600-z

Cited by 2 publications

(2 citation statements)

References 58 publications

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“…When compared with the mercury burden found in cormorants from other European localities, the results are lower than those found by Houserova et al (2005) and Houserova et al (2007) in the Czech Republic, Misztal-Szkudlinska et al (2011) and Misztal-Szkudlinska et al (2018) in Poland, Albertos et al (2020) in Spain and Hribsek et al (2017) for the Danube River area in Serbia. Our results were, on the contrary, higher than those found by Lehel et al (2013) and Lehel et al (2022) in Hungary (Table 2).…”

Section: Discussioncontrasting

confidence: 91%

Mercury distribution in the great cormorant (Phalacrocorax carbo) from the Krogulna ponds and Nysa Kłodzka River (Poland)

Kružíková¹,

Široká²,

Kral³

et al. 2023

Vet. Med.

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Mercury belongs among the highly hazardous substances present in the environment and represents a great health risk for many animals including predatory and piscivorous birds. The aim of this study was to assess the total mercury content in the main detoxifying organs (liver and kidney) and in the muscles of adult great cormorants (Phalacrocorax carbo) caught at two localities (the Krogulna ponds and the Nysa Kłodzka River) in southern Poland. The aim was to compare the locality with the iron ore mining history (the Krogulna ponds) with a site without such load (the Nysa Kłodzka River). The total mercury content in the great cormorants decreases as follows: kidneys > liver > muscle in both monitored localities and significantly differs between the localities. The average mercury content varied from 0.58 ± 0.38 mg/kg (muscle) to 1.39 ± 1.42 mg/kg (kidney) in the cormorant from the Krogulna ponds and from 1.09 ± 0.40 mg/kg (muscle) to 3.12 ± 1.55 mg/kg (kidney) in the cormorant from the Nysa Kłodzka River. The accumulation of mercury does not correlate with the mining history as it was higher at the Nysa Kłodzka River, but it is probably influenced by the different fish stocks in these two localities (omnivorous fish in the Krogulna ponds versus predatory fish in the Nysa Kłodzka River).

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Section: Discussioncontrasting

confidence: 91%

Mercury distribution in the great cormorant (Phalacrocorax carbo) from the Krogulna ponds and Nysa Kłodzka River (Poland)

Kružíková¹,

Široká²,

Kral³

et al. 2023

Vet. Med.

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“…Several tissues are used to evaluate element concentrations in birds, but the most frequently analyzed tissues for toxic metals are livers, kidneys, and feathers [19]. In general, the accumulation of heavy metals reveals tissue-specific differences because of varied environmental circumstances and organ functions [20][21][22]. El-Shabrawy et al (2022) [18] found that the kidney is the tissue most burdened by heavy metals compared to liver and feather of the insectivore (Barn Swallow; Hirundo rustica) and water birds (Great Egret; Ardea alba and Striated Heron; Butorides striata).…”

Section: Introductionmentioning

confidence: 99%

Species Differences and Tissue Distribution of Heavy Metal Residues in Wild Birds

Khwankitrittikul,

Poapolathep,

Poapolathep

et al. 2024

Animals

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Birds are useful as bioindicators of metal pollution, but the variety of species and tissue distribution may influence the study of heavy metal burdens in birds. The objective of this study was to determine the levels of heavy metals in wild birds’ carcasses to acquire information on species differences and the tissue distribution of metals in wild birds in Thailand. Species differences in metal buildup were observed in the livers and kidneys, but not in the feathers. A significantly higher accumulation of Cd was found in the livers and kidneys of the granivorous birds compared to those in the water birds. In all the groups of birds, the Pb level in the livers (>15 ppm) and feathers (>4 ppm) exceeded the threshold limits, causing potential lead poisoning and disturbing the reproductive success. The Cd accumulation in the kidneys was above 2–8 ppm, indicating increased environmental exposure to Cd in these birds. The Cd, Pb, Ni, Zn, and Fe concentrations in the livers could be estimated using the kidneys, while the Pb level in the liver may be predicted using feathers. Furthermore, water birds’ feathers may be potentially appropriate bioindicators for long-term exposure. Research on the origin of metal contamination is needed to reduce the threat of heavy metals to the health of both birds and other wildlife species.

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Comparison of metal burden in different muscle tissues of Great cormorant (Phalacrocorax carbo)

Cited by 2 publications

References 58 publications

Mercury distribution in the great cormorant (Phalacrocorax carbo) from the Krogulna ponds and Nysa Kłodzka River (Poland)

Mercury distribution in the great cormorant (Phalacrocorax carbo) from the Krogulna ponds and Nysa Kłodzka River (Poland)

Species Differences and Tissue Distribution of Heavy Metal Residues in Wild Birds

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