First insight into levels, spatial, and gender-specific distribution of potentially toxic elements in black kite, Punjab, Pakistan

Mahmood, Seema; Danish, Muhammad; Khan, Aleem Ahmed

doi:10.1007/s13762-021-03839-5

Int. J. Environ. Sci. Technol.

2022

DOI: 10.1007/s13762-021-03839-5

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First insight into levels, spatial, and gender-specific distribution of potentially toxic elements in black kite, Punjab, Pakistan

Seema Mahmood

Muhammad Danish

Aleem Ahmed Khan

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2024

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Factors affecting the concentration of metals and metalloids in the kidneys of a top predator, the Eurasian Buzzard (Buteo buteo) wintering in farmland in Poland

Kitowski,

Jakubas,

Wiącek

et al. 2024

Environ Sci Pollut Res

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During late autumn and winter, raptors in the western Palearctic face challenges due to food scarcity and dropping temperatures. That time they can be exposed to various elements including toxic ones ingested with food. Kidney samples from 22 females and 19 males of a medium-sized raptor, the Common Buzzard Buteo buteo found dead in farmland of Eastern Poland in winter were analyzed for a concentration of 21 elements. Elemental concentrations were analyzed regarding the age and sex of birds. Results revealed that only 4.9% of individuals had kidney lead levels exceeding 8.0 mg, while 9.8% showed cadmium levels above 8.0 mg/kg, indicating potential poisoning. The study also highlighted the limited entry of arsenic into agricultural ecosystems exploited by Common Buzzards. Sex differences were noted, with females accumulating more lead and vanadium than males which can be associated with foraging niche partitioning between sexes driven by body size dimorphism. Sulfur showed complex interactions with cadmium, mercury, and zinc, with a positive correlation between sulfur and zinc levels in the kidneys, emphasizing dietary needs during food scarcity. A positive correlation was found between zinc and lead concentrations, indicating zinc’s role in mitigating lead’s impact. The study also revealed positive correlations between selenium and highly toxic elements like mercury (Spearman correlation, rs = 0.41) and cadmium (rs = 0.51), suggesting a mitigating effect of selenium on exposure to heavy metals. This study enhances understanding of year-round environmental contamination exposure for raptors and sheds light on bioaccumulation in a top predator.

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Factors affecting the concentration of metals and metalloids in the kidneys of a top predator, the Eurasian Buzzard (Buteo buteo) wintering in farmland in Poland

Kitowski,

Jakubas,

Wiącek

et al. 2024

Environ Sci Pollut Res

View full text Add to dashboard Cite

show abstract

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First insight into levels, spatial, and gender-specific distribution of potentially toxic elements in black kite, Punjab, Pakistan

Cited by 1 publication

References 37 publications

Factors affecting the concentration of metals and metalloids in the kidneys of a top predator, the Eurasian Buzzard (Buteo buteo) wintering in farmland in Poland

Factors affecting the concentration of metals and metalloids in the kidneys of a top predator, the Eurasian Buzzard (Buteo buteo) wintering in farmland in Poland

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