Integrating active and passive monitoring to assess sublethal effects and mortality from lead poisoning in birds of prey

Descalzo, Esther; Camarero, Pablo R.; Sánchez-Barbudo, Inés S.; Martínez-Haro, Mónica; Ortiz‐Santaliestra, Manuel E.; Moreno-Opo, Rubén; Mateo, Rafael

doi:10.1016/j.scitotenv.2020.142260

Cited by 36 publications

(24 citation statements)

References 59 publications

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“…This value was higher than the results detected in the present study. However, Pb concentrations in the 3 blood samples used in the present study were consistent with the Pb concentration of 35.7 ± 4.6 ppb detected by GFAAS device in the blood samples of the common buzzards (n = 18) caught in Spain between 2016-2017(Descalzo et al 2021)…”

supporting

confidence: 89%

“…The blood Pb concentration values were found to be 58-108 ppb (Pain et al 1993a); in a study conducted in France (n = 8) with the blood samples of Western marsh harrier using the GF-AAS device and 29-2840 ppb in another study carried out in the blood samples of 94 Western marsh harriers using AAS device also in France between 1990-1991 (Pain et al 1993b). A Pb concentration of 4.8 ± 0.2 ppb was detected in the blood samples of Western marsh harrier (n = 2) caught in the studies conducted in Spain between 2016-2017 while a Pb concentration of 1 ppb was detected in the Western marsh harrier (n = 1) in the wildlife rehabilitation centre between 2004-2020 (Descalzo et al 2021).…”

Section: Resultsmentioning

confidence: 90%

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Determination of Some Heavy Metals (Cadmium and Lead) in The Blood of Wild Birds

Temamoğulları

EKTIREN

Garip

2022

Preprint

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It is known that the pollution of cadmium (Cd) and lead (Pb) negatively affects human and animal health in ecosystems. Birds are the bioindicators in the determination of environmental pollution. The present study is the first attempt to determine the pollution of Cd and Pb using the inductively coupled plasma mass spectrometry (ICP-MS) device in the blood samples (n=40) collected from seventeen wild bird species recorded in Turkey: Common buzzard ( Buteo buteo ) ; Eagle-owl ( Bubo bubo ) ; Barn owl ( Tyto alba ) ; Long-eared owl ( Asio otus ) ; Little owl ( Athene noctua ) ; Marsh harrier ( Circus aeruginosus ) ; Black-crowned night heron ( Nycticorax nycticorax ) ; Sparrowhawk ( Accipiter nisus ) ; Black kite ( Milvus migrans ) ; White stork ( Ciconia ciconia ) ; Common kestrel ( Falco tinnunculus ) ; Booted eagle ( Hieraaetus pennatus ) ; Grey Heron ( Ardea cinerea ) ; Common moorhen ( Gallinula chloropus ) ; Griffon vulture ( Gyps fulvus ) ; Golden eagle ( Aquila chrysaetos ) ; and Common crane ( Grus grus ). In the study, the highest Pb concentration (509.58±0.29 ppb) was detected in the blood sample of the Golden eagle ( Aquila chrysaetos ). It was found that the Pb concentration of Golden Eagle was over 150 ppb, which has been determined as the threshold value of lead poisoning for birds. The Pb concentrations in the blood samples of other wild birds were less than the threshold value for poisoning (150 ppb). In the present study, the non-detection of Cd in the blood of wild birds. The results of this first study conducted on seventeen wild bird species in Turkey revealed no heavy metal pollution (Cd and Pb) in wild birds except for one blood sample.

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confidence: 89%

Section: Resultsmentioning

confidence: 90%

Determination of Some Heavy Metals (Cadmium and Lead) in The Blood of Wild Birds

Temamoğulları

EKTIREN

Garip

2022

Preprint

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“…In addition to effects on survival and growth, productivity (young/pair/year) is measured in the bearded and white-backed vulture populations in selected parts of their African range and can provide indicators of fitness. Contaminant exposure of wildlife at field-relevant levels is often at sublethal concentrations (Descalzo et al, 2021). As a vertebrate class, birds live in varied habitats with a range of lifetime reproductive strategies.…”

Section: Future Needs: Monitoring Programs and Further Researchmentioning

confidence: 99%

Old World Vultures Reflect Effects of Environmental Pollutants Through Human Encroachment

Krüger

Botha

Coverdale

et al. 2022

Enviro Toxic and Chemistry

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African wildlife face challenges from many stressors including current and emerging contaminants, habitat and resource loss, poaching, intentional and unintentional poisoning, and climate‐related environmental change. The plight of African vultures exemplifies these challenges due to environmental contaminants and other stressors acting on individuals and populations that are already threatened or endangered. Many of these threats emanate from increasing human population size and settlement density, habitat loss from changing land use for agriculture, residential areas, and industry, and climate‐related changes in resource availability. Environmental chemicals that are hazardous include legacy chemicals, emerging chemicals of concern, and high‐volume‐use chemicals that are employed as weed killers and in other agricultural applications. Furthermore, there are differences in risk for species living in close proximity to humans or in areas affected by habitat loss, climate, and industry. Monitoring programs are essential to track the status of nesting pairs, offspring survival, longevity, and lifetime productivity. This is important for long‐lived birds, such as vultures, that may be especially vulnerable to chronic exposure to chemicals as obligate scavengers. Furthermore, their position in the food web may increase risk due to biomagnification of chemicals. We review the primary chemical hazards to Old World vultures and the interacting stressors affecting these and other birds. Habitat is a major consideration for vultures, with tree‐nesters and cliff‐nesters potentially experiencing different risks of exposure to environmental chemicals. The present review provides information from long‐term monitoring programs and discusses a range of these threats and their effects on vulture populations. Environ Toxicol Chem 2022;41:1586–1603. © 2022 SETAC

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“…Adverse effects had been already reported on public health [24], reproductive [23,25], behavioral [26,27] and, even a lethal threat for many endangered species (e.g., white-headed duck, Oxyura leucocephala; California Condor, Gymnogyps californianus). Apart from direct mortality, a wide range of sublethal effects has also been associated with Pb exposure in birds [28] regarding immune function [29][30][31]. Previous studies have shown the consequences of Pb exposure in immune function and the different ways in which individuals can counteract these effects among seasons [23,31].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Pb from Ammunition on the Vegetation of a Bird Shooting Range

2022

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Hunting with lead ammunition represents a source of heavy metal pollution to the environment that can be potentially high at the local scale. Intensive hunting of small game species can concentrate high levels of ammunition discharging in small areas. This type of hunting is a relevant economic resource for private landowners in some regions of Spain, and current legislation allows the use of lead ammunition in these scenarios. It becomes, therefore, highly relevant to study whether this activity may pose concerns to the conservation of the environment in the areas where it takes place. Using a red-legged partridge (Alectoris rufa) shooting range as a study area, we examined the effect of intensive hunting on this species on the vegetation present. We found significantly higher lead levels in the sprouts of plants of shooting areas related to control sites of the same property where partridge shooting does not occur. We found differences in the presence of lead between sprouts of different plant species. In addition, old sprouts of existing vegetation in shooting areas also showed higher lead levels than newly emerged sprouts of the same plants. These results demonstrate the impact of lead ammunition on vegetation in terms of persistence over time and differences between species. Further analyses using chemical and ecotoxicological data are necessary to evaluate the extent of environmental pollution risks. Our results provide new support in favor of the use of alternative ammunition, with particular emphasis on scenarios where hunting activity is intensive.

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Integrating active and passive monitoring to assess sublethal effects and mortality from lead poisoning in birds of prey

Cited by 36 publications

References 59 publications

Determination of Some Heavy Metals (Cadmium and Lead) in The Blood of Wild Birds

Determination of Some Heavy Metals (Cadmium and Lead) in The Blood of Wild Birds

Old World Vultures Reflect Effects of Environmental Pollutants Through Human Encroachment

The Impact of Pb from Ammunition on the Vegetation of a Bird Shooting Range

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