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Jones EM, Koch AJ, Pay JM, Jones ME, Hamede RK, Hampton JO. Lead exposure and source attribution for a mammalian scavenger before and after a culling program. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 940:173686. [PMID: 38830425 DOI: 10.1016/j.scitotenv.2024.173686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/14/2024] [Accepted: 05/30/2024] [Indexed: 06/05/2024]
Abstract
Lead-based ammunition is a significant source of environmental lead and threatens species that scavenge lead-shot carcasses, particularly in areas with intensive shooting. With the impacts of lead on avian scavengers well established, there is increasing focus on the effects of lead on mammalian scavengers. We investigated lead exposure in a morphologically specialized mammalian scavenger, the Tasmanian devil (Sarcophilus harrisii), by analyzing their blood lead levels (BLLs) before and after a marsupial culling program using linear mixed effects models. We compared lead isotope signatures in devil blood to those in the culling ammunition to inform potential source attributions. We sampled 23 devils before culling and 15 after culling, finding no significant difference in mean BLLs pre and post-culling. However, devils captured closer to forestry coupes where culling had occurred had higher BLLs, and a greater proportion of devils displayed elevated BLLs post-culling (33 % compared to 18 % pre-culling). The highest BLL (7.93 μg/dL) was found in a devil post-culling and this individual had lead isotope signatures that matched the ammunition samples analyzed, suggesting the individual was exposed to lead from scavenging on culled carcasses. While 18 % of the devil blood lead samples had isotope signatures consistent with the ammunition samples, most were measurably different, indicating other sources of lead in the landscape. BLLs in our study landscape were similar to published BLLs for wild devils across Tasmania. That said, lead isotope signatures in the blood of individual devils sampled both before and after culling shifted closer to those of ammunition samples post-culling. Our results indicate that while some individual devils may have been exposed to lead from culling, most devils in the landscape did not show evidence of recent exposure. However, even low lead levels can adversely impact wildlife health and immunity, a particular concern for devils, a species endangered by disease.
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Affiliation(s)
- Evie M Jones
- School of the Environment, Yale University, New Haven, CT 06511, USA; School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS 7001, Australia.
| | - Amelia J Koch
- School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS 7001, Australia; Forest Practices Authority, 30 Patrick St, Hobart, TAS 7001, Australia
| | - James M Pay
- School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS 7001, Australia
| | - Menna E Jones
- School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS 7001, Australia
| | - Rodrigo K Hamede
- School of Natural Sciences, University of Tasmania, Private Bag 55, Hobart, TAS 7001, Australia
| | - Jordan O Hampton
- Faculty of Science, University of Melbourne, Parkville, Victoria 3052, Australia; Harry Butler Institute, Murdoch University, 90 South Street, Murdoch, Western Australia 6150, Australia
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2
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Zhang Y, Pei X, Jing L, Zhang Q, Zhao H. Lead induced cerebellar toxicology of developmental Japanese quail (Coturnix japonica) via oxidative stress-based Nrf2/Keap1 pathway inhibition and glutathione-mediated apoptosis signaling activation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 352:124114. [PMID: 38718965 DOI: 10.1016/j.envpol.2024.124114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2024] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024]
Abstract
Lead (Pb) is a heavy metal that has been recognized as a neurotoxin, meaning it can cause harmful effects on the nervous system. However, the neurotoxicology of Pb to birds still needs further study. In this study, we examined the neurotoxic effects of Pb exposure on avian cerebellum by using an animal model-Japanese quail (Coturnix japonica). The one-week old male chicks were exposed to 50, 200 and 500 mg/kg Pb of environmental relevance in the feed for five weeks. The results showed Pb caused cerebellar microstructural damages charactered by deformation of neuroglia cells, granule cells and Purkinje cells with Nissl body changes. Moreover, cerebellar neurotransmission was disturbed by Pb with increasing acetylcholine (ACh) and decreasing acetylcholinesterase (AChE), dopamine (DA), γ-Aminobutyric Acid (GABA) and Na+/K+ ATPase. Meanwhile, cerebellar oxidative stress was caused by Pb exposure represented by increasing reactive oxygen species (ROS) and malondialdehyde (MDA) as well as decreasing catalase (CAT), glutathione peroxidase (GPX), glutathione (GSH) and superoxide dismutase (SOD). Moreover, RNA-Seq analysis showed that molecular signaling pathways in the cerebellum were disrupted by Pb exposure. In particular, the disruption of nuclear factor erythroid-2-related factor 2 (Nfr2)/kelch-like ECH-associated protein 1 (Keap1) pathway and glutathione metabolism pathway indicated increasing cell apoptosis and functional disorder in the cerebellum. The present study revealed that Pb induced cerebellar toxicology through structural injury, oxidative stress, neurotransmission interference and abnormal apoptosis.
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Affiliation(s)
- Yuxin Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China
| | - Xiaoqing Pei
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China
| | - Lingyang Jing
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China
| | - Qingyu Zhang
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China
| | - Hongfeng Zhao
- College of Life Sciences, Shaanxi Normal University, Xi'an, 710119, China.
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3
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Gangoso L, Mateo R, Santamaría-Cervantes C, García-Alfonso M, Gimeno-Castellano C, Arrondo E, Serrano D, van Overveld T, de la Riva M, Cabrera MA, Donázar JA. Blood lead levels in an endangered vulture decline following changes in hunting activity. ENVIRONMENTAL RESEARCH 2024; 252:118712. [PMID: 38548255 DOI: 10.1016/j.envres.2024.118712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 04/04/2024]
Abstract
Lead ammunition stands out as one of the most pervasive pollutants affecting wildlife. Its impact on bird populations have spurred efforts for the phase-out of leaded gunshot in several countries, although with varying scopes and applications. Ongoing and future policy changes require data to assess the effectiveness of adopted measures, particularly in the current context of biodiversity loss. Here, we assessed the long-term changes in blood lead (Pb) levels of Egyptian vultures from the Canary Islands, Spain, which have been severely affected by Pb poisoning over the past two decades. During this period, the reduction in hunting pressure and changes in legislation regarding firearms usage for small game hunting likely contributed to a decrease in environmental Pb availability. As anticipated, our results show a reduction in Pb levels, especially after the ban on wild rabbit hunting with shotgun since 2010. This effect was stronger in the preadult fraction of the vulture population. However, we still observed elevated blood Pb levels above the background and clinical thresholds in 5.6% and 1.5% of individuals, respectively. Our results highlight the positive impact of reducing the availability of Pb from ammunition sources on individual health. Nonetheless, the continued use of Pb gunshot remains an important source of poisoning, even lethal, mainly affecting adult individuals. This poses a particular concern for long-lived birds, compounding by potential chronic effects associated with Pb bioaccumulation. Our findings align with recent studies indicating insufficient reductions in Pb levels among European birds of prey, attributed to limited policy changes and their uneven implementation. We anticipated further reductions in Pb levels among Egyptian vultures with expanded restrictions on hunting practices, including a blanket ban on Pb shot usage across all small game species.
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Affiliation(s)
- L Gangoso
- Department of Biodiversity, Ecology and Evolution, Faculty of Biological Sciences, Complutense University of Madrid, C/ José Antonio Novais 12, 28040, Madrid, Spain.
| | - R Mateo
- Instituto de Investigación en Recursos Cinegéticos-IREC, CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
| | - C Santamaría-Cervantes
- Instituto de Investigación en Recursos Cinegéticos-IREC, CSIC-UCLM-JCCM, Ronda de Toledo 12, 13005, Ciudad Real, Spain
| | - M García-Alfonso
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
| | - C Gimeno-Castellano
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
| | - E Arrondo
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain; Department of Zoology, University of Granada, Avenida Fuente Nueva s/n, 18071, Granada, Spain
| | - D Serrano
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
| | - T van Overveld
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
| | - M de la Riva
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
| | - M A Cabrera
- Dirección general de Espacios Naturales y Biodiversidad. Consejería de Transición Ecológica y Energía, Gobierno de Canarias, C/ Prof. Agustín Millares Carló, 18, 35071, Las Palmas de Gran Canaria, Spain
| | - J A Donázar
- Department of Conservation Biology, Estación Biológica de Doñana (CSIC), Américo Vespucio 26, 41092, Sevilla, Spain
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Gillings MM, Ton R, Harris T, Taylor MP, Griffith SC. Blood lead increases and haemoglobin decreases in urban birds along a soil contamination gradient in a mining city. ENVIRONMENTAL RESEARCH 2024:119236. [PMID: 38810819 DOI: 10.1016/j.envres.2024.119236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/12/2024] [Accepted: 05/25/2024] [Indexed: 05/31/2024]
Abstract
Lead contaminated soil is a persistent global threat to the health of animal populations. Nevertheless, links between soil lead and its adverse effects on exposed wildlife remain poorly understood. Here, we explore local geographic patterns of exposure in urban birds along a gradient of lead contamination in Broken Hill, an Australian mining city. Soil lead concentrations are linked to co-located blood lead measurements in rock pigeons (Columba livia), house sparrows (Passer domesticus), crested pigeons (Ocyphaps lophotes) and white-plumed honeyeaters (Lichenostomus ornatus). Median blood lead levels were highest in crested pigeons (59.6 μg/dL), followed by house sparrows (35.2 μg/dL), rock pigeons (35.1 μg/dL), and white-plumed honeyeaters (27.4 μg/dL). Blood lead levels in all species declined away from mining areas, the primary source of lead contamination in Broken Hill. Blood lead increased significantly and at the greatest rate relative to soil lead in the three ground foraging species (crested pigeons, house sparrows, rock pigeons). For these species, soil lead concentrations below 200 mg/kg and 900 mg/kg were needed to maintain a median blood lead concentration under the lower threshold of the subtoxic (20-50 μg/dL) and toxic (≥ 50 μg/dL) effect ranges previously identified for some bird species. We also investigated the effects of lead exposure on blood haemoglobin levels as a general measure of physiological condition in birds exposed to different levels of soil lead contamination. Overall, for every 1 μg/dL increase in blood lead, haemoglobin decreased by 0.11 g/L. The rate of this decrease was not significantly different between species, which supports the measurement of haemoglobin as a robust though insensitive measure of physiological condition in chronically lead exposed birds. Our findings reflect the importance of lead contaminated soil as a widespread source of elevated blood lead and supressed haemoglobin levels in birds inhabiting urbanised and mining impacted environments.
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Affiliation(s)
- Max M Gillings
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia.
| | - Riccardo Ton
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Tiarne Harris
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Mark P Taylor
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia; Environment Protection Authority Victoria, Centre for Applied Sciences, Melbourne, Victoria, 3085, Australia
| | - Simon C Griffith
- School of Natural Sciences, Faculty of Science and Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
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5
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Katzner TE, Pain DJ, McTee M, Brown L, Cuadros S, Pokras M, Slabe VA, Watson RT, Wiemeyer G, Bedrosian B, Hampton JO, Parish CN, Pay JM, Saito K, Schulz JH. Lead poisoning of raptors: state of the science and cross-discipline mitigation options for a global problem. Biol Rev Camb Philos Soc 2024. [PMID: 38693847 DOI: 10.1111/brv.13087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 04/08/2024] [Accepted: 04/11/2024] [Indexed: 05/03/2024]
Abstract
Lead poisoning is an important global conservation problem for many species of wildlife, especially raptors. Despite the increasing number of individual studies and regional reviews of lead poisoning of raptors, it has been over a decade since this information has been compiled into a comprehensive global review. Here, we summarize the state of knowledge of lead poisoning of raptors, we review developments in manufacturing of non-lead ammunition, the use of which can reduce the most pervasive source of lead these birds encounter, and we compile data on voluntary and regulatory mitigation options and their associated sociological context. We support our literature review with case studies of mitigation actions, largely provided by the conservation practitioners who study or manage these efforts. Our review illustrates the growing awareness and understanding of lead exposure of raptors, and it shows that the science underpinning this understanding has expanded considerably in recent years. We also show that the political and social appetite for managing lead ammunition appears to vary substantially across administrative regions, countries, and continents. Improved understanding of the drivers of this variation could support more effective mitigation of lead exposure of wildlife. This review also shows that mitigation strategies are likely to be most effective when they are outcome driven, consider behavioural theory, local cultures, and environmental conditions, effectively monitor participation, compliance, and levels of raptor exposure, and support both environmental and human health.
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Affiliation(s)
- Todd E Katzner
- U.S. Geological Survey, Forest and Rangeland Ecosystem Science Center, 230 North Collins Road, Boise, ID, 83702, USA
| | - Deborah J Pain
- School of Biological Sciences, University of East Anglia, Norwich, Norfolk, NR4 7TJ, UK
- Zoology Department, University of Cambridge, Downing St, Cambridge, CB2 3EJ, UK
| | - Michael McTee
- MPG Ranch, 19400 Lower Woodchuck Road, Florence, MT, 59833, USA
| | - Leland Brown
- Oregon Zoo, North American Non-lead Partnership, 4001 SW Canyon Rd, Portland, OR, 97221, USA
| | - Sandra Cuadros
- Hawk Mountain Sanctuary, 410 Summer Valley Rd, Orwigsburg, PA, 17961, USA
- Department of Biology, University of British Columbia, 1177 Research Road, Kelowna, British Columbia, V1V 1V7, Canada
| | - Mark Pokras
- Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Rd, North Grafton, MA, 01536, USA
| | - Vincent A Slabe
- Conservation Science Global, Bozeman, MT, USA
- The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID, 83709, USA
| | - Richard T Watson
- The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID, 83709, USA
| | - Guillermo Wiemeyer
- CONICET- Facultad de Ciencias Veterinarias, Universidad Nacional de La Pampa, Calle 5 esq. 116 MO L6360, Gral. Pico, La Pampa, Argentina
| | | | - Jordan O Hampton
- Faculty of Science, University of Melbourne, Grattan Street, Parkville, Victoria, 3010, Australia
- Harry Butler Institute, Murdoch University, Murdoch, Western Australia, 6150, Australia
| | | | - James M Pay
- School of Natural Sciences, University of Tasmania, Churchill Ave, Hobart, Tasmania, 7005, Australia
| | - Keisuke Saito
- Institute for Raptor Biomedicine Japan 2-2101 Hokuto, Kushiro, Hokkaido, 084-0922, Japan
| | - John H Schulz
- School of Natural Resources, University of Missouri, 1111 Rollins St, Columbia, MO, 65203, USA
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6
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Kumar K, Singh D. Toxicity and bioremediation of the lead: a critical review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:1879-1909. [PMID: 36617394 DOI: 10.1080/09603123.2023.2165047] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Lead is a naturally occurring, bluish-gray metal that is found in small quantities in the earth's crust. The existing literature demonstrates that non-biodegradable character and continuous use results in accumulation of lead concentration in the environment and causes various ill effects such as neurotoxicity, change in psychological and behavioral development of different organisms. Nowadays the most effective technique in the revival of the environment is bioremediation and it is environmentally friendly and cost-effective. Bacterial strains such as Oceanobacillus profundus and Lactobacillus acidophilus ATCC4356 have the ability to reduce lead 97% and 73.9%, respectively. Similarly some species of algae and fungal strains also showed lead removal efficiency as 74% (spirulina), 97.1% (Chlorella kessleri), 95.5% (Penicillium janthinillum) and 86% (Aspergillus flavus). Biodegradation of lead by various microbes would be the most efficient and sustainable approach. This review focuses on toxicity, fate of lead in the environment and its microbial degradation.
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Affiliation(s)
- Khushhal Kumar
- Department of Zoology, Central University of Jammu, Rahya-Suchani, Samba, Jammu and Kashmir, India
| | - Devinder Singh
- Department of Zoology, Chandigarh University, Mohali, Punjab, India
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Ross TA, Zhang J, Chiang CY, Choi CY, Lai YC, Asimakopoulos AG, Lemesle P, Ciesielski TM, Jaspers VLB, Klaassen M. Running the gauntlet; flyway-wide patterns of pollutant exposure in blood of migratory shorebirds. ENVIRONMENTAL RESEARCH 2024; 246:118123. [PMID: 38185220 DOI: 10.1016/j.envres.2024.118123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/09/2024]
Abstract
Shorebirds (order Charadriiformes) are among the world's most threatened avian taxa. Within the East Asian-Australasian Flyway (EAAF), a major threat to shorebirds' survival may be the gauntlet of pollution along the flyway. Metals, persistent organic pollutants (POPs), and per-/polyfluoroalkyl substances (PFASs) persist in the environment to the detriment of wildlife. In this study, we analysed element and PFAS concentrations in blood from 142 individuals across six species of Arctic-breeding migratory shorebirds with contrasting population trends, to discern species- and site-specific pollution differences, and determine how pollution correlated with population trends of EAAF shorebirds. Potential within-year pollution variations were investigated by blood-sampling birds at two sites, representing different points in the birds' annual migrations: staging in Taiwan on southward migrations and at non-breeding grounds in Western Australia (WA). Species' pollutant concentrations were compared to established population trends. Concentrations of potentially toxic elements were low in most individuals regardless of species. PFASs (range: <0.001-141 ng/g), Hg (<0.001-9910 ng/g) and Pb (<0.01-1210 ng/g) were higher in Taiwan than in WA (PFAS Taiwan median: 14.5 ng/g, WA median: 3.45 ng/g; Hg Taiwan: 338 ng/g, WA: 23.4 ng/g; Pb Taiwan: 36.8 ng/g, WA: 2.26 ng/g). Meanwhile As (range <0.001-8840 ng/g) and Se (290-47600 ng/g) were higher in WA than Taiwan (As Taiwan median: 500 ng/g, WA median: 1660 ng/g; Se Taiwan: 5490 ng/g, Se WA: 23700 ng/g). Nevertheless, pollutant concentrations in a subset of individuals may exceed sublethal effect thresholds (As, Se and PFASs). Finally, we found no consistent differences in pollution among species and demonstrated no correlation between pollution and population trends, suggesting pollution is likely not a major driver for population declines of EAAF shorebirds. However, ongoing and locally heavy environmental degradation and exposure to other contaminants not investigated here, such as POPs, warrants continued consideration when managing EAAF shorebird populations.
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Affiliation(s)
- Tobias A Ross
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia.
| | - Junjie Zhang
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway
| | - Chung-Yu Chiang
- Department of Life Science, Tunghai University, Taichung, Taiwan
| | - Chi-Yeung Choi
- Division of Natural and Applied Sciences, Duke Kunshan University, Kunshan, 215316, Jiangsu, PR China
| | - Yi-Chien Lai
- Department of Environmental Science and Engineering, Tunghai University, Taichung, Taiwan
| | | | - Prescillia Lemesle
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway
| | - Tomasz Maciej Ciesielski
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway; Department of Arctic Technology, The University Center in Svalbard, 9171, Longyearbyen, Norway
| | - Veerle L B Jaspers
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, 7491, Norway
| | - Marcel Klaassen
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia; Victorian Wader Study Group, Melbourne, VIC, Australia; Australasian Wader Study Group, Canberra, ACT, Australia.
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8
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Zhifang Z, Xiaotian X, Dongxia L, Qian P, Jiali S, Tianfeng W, Jinlin C, Jiyi Z. Characteristics and Influence Factors of Pb(II) Adsorption by Graphene Oxide-Montmorillonite Composite. Chem Biodivers 2024; 21:e202301899. [PMID: 38345198 DOI: 10.1002/cbdv.202301899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/12/2024] [Indexed: 03/07/2024]
Abstract
This study presents the fabrication of a novel porous composite of graphene oxide-montmorillonite (GO-MMT) through the modification of montmorillonite using the freeze-drying method for the purpose of Pb removal. The characterization of the GO-MMT composite was conducted using scanning electron microscopy, Fourier transform infrared spectrometry, and X-ray diffraction. The results from batch adsorption experiments revealed that the GO-MMT composite exhibited a superior capacity for Pb removal compared to MMT. Furthermore, a single factor experiment confirmed that the dosage of the GO-MMT composite or GO, pH, temperature, and reaction time all significantly influenced the adsorption of Pb by the GO-MMT composite, MMT, or GO. This superiority can be attributed to the presence of oxygen-containing functional groups, the site-blocking effect, and the ion exchange mechanism exhibited by the GO-MMT composite.
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Affiliation(s)
- Zhou Zhifang
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Xu Xiaotian
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Luo Dongxia
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Peng Qian
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Song Jiali
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Wang Tianfeng
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Chen Jinlin
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
| | - Zhang Jiyi
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, Gansu, 730000, China
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9
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Hydeskov HB, Arnemo JM, Lloyd Mills C, Gentle LK, Uzal A. A Global Systematic Review of Lead (Pb) Exposure and its Health Effects in Wild Mammals. J Wildl Dis 2024; 60:285-297. [PMID: 38345465 DOI: 10.7589/jwd-d-23-00055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 10/25/2023] [Indexed: 04/06/2024]
Abstract
Lead (Pb) is a toxic nonessential metal, known mainly for causing poisoning of humans and wild birds. However, little is known about Pb exposure and its associated health effects in wild mammals. We conducted a global systematic literature review to identify peer-reviewed studies published on Pb exposure in wild mammalian species and the health effects they identified. In total, 183 studies, conducted in 35 countries and published over 62 yr (1961-2022), were included in the review. Only 6% (11/183) of the studies were conducted in developing countries. Although 153 mammalian species were studied, most studies focused on species that are easy to access (i.e., hunted species and small mammals that are easy to trap). Therefore, carnivores and scavengers were less frequently studied than herbivores and omnivores. Despite all studies reporting Pb concentrations, only 45 (25%) studies investigated health effects and, of these 45 studies, only 28 (62%) found any health effect in 57 species. All health effects were negative and ranged from subclinical effects to fatality. Methodologies of Pb sampling and quantification and reporting of results varied widely across the studies, making both Pb concentrations and health effects difficult to compare and evaluate. Thus, there is a need for more research on Pb exposure and its health effects on wild mammals, especially as carnivores and scavengers could be used as sentinels for ecosystem health.
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Affiliation(s)
- Helle B Hydeskov
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Brackenhurst Campus, Brackenhurst Lane, Southwell, NG25 0QF, UK
| | - Jon M Arnemo
- Department of Forestry and Wildlife Management, Faculty of Applied Ecology, Agricultural Sciences and Biotechnology, Inland Norway University of Applied Sciences, Campus Evenstad, Anne Evenstads Vei 80, 2480 Koppang, Norway
- Department of Wildlife, Fish, and Environmental Studies, Faculty of Forest Sciences, Swedish University of Agricultural Sciences, Skogsmarksgränd, 90736 Umeå, Sweden
| | - Chris Lloyd Mills
- School of Science and Technology, Nottingham Trent University, Clifton Campus, Clifton Lane, Nottingham, NG11 8NS, UK
| | - Louise K Gentle
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Brackenhurst Campus, Brackenhurst Lane, Southwell, NG25 0QF, UK
| | - Antonio Uzal
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Brackenhurst Campus, Brackenhurst Lane, Southwell, NG25 0QF, UK
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10
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Di Liberto JF, Griffith SC, Hall CJ, Mendelsohn AS, Swaddle JP. Exposure to Sublethal Concentrations of Lead (Pb) Affects Ecologically Relevant Behaviors in House Sparrows (Passer domesticus). ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2024; 86:199-216. [PMID: 38598146 PMCID: PMC11032286 DOI: 10.1007/s00244-024-01062-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Accepted: 03/12/2024] [Indexed: 04/11/2024]
Abstract
Global contamination of environments with lead (Pb) poses threats to many ecosystems and populations. While exposure to Pb is toxic at high concentrations, recent literature has shown that lower concentrations can also cause sublethal, deleterious effects. However, there remains relatively little causal investigation of how exposure to lower concentrations of environmental Pb affects ecologically important behaviors. Behaviors often represent first-line responses of an organism and its internal physiological, molecular, and genetic responses to a changing environment. Hence, better understanding how behaviors are influenced by pollutants such as Pb generates crucial information on how species are coping with the effects of pollution more broadly. To better understand the effects of sublethal Pb on behavior, we chronically exposed adult wild-caught, captive house sparrows (Passer domesticus) to Pb-exposed drinking water and quantified a suite of behavioral outcomes: takeoff flight performance, activity in a novel environment, and in-hand struggling and breathing rate while being handled by an experimenter. Compared to controls (un-exposed drinking water), sparrows exposed to environmentally relevant concentrations of Pb exhibited decreases in takeoff flight performance and reduced movements in a novel environment following 9-10 weeks of exposure. We interpret this suite of results to be consistent with Pb influencing fundamental neuro-muscular abilities, making it more difficult for exposed birds to mount faster movements and activities. It is likely that suppression of takeoff flight and reduced movements would increase the predation risk of similar birds in the wild; hence, we also conclude that the effects we observed could influence fitness outcomes for individuals and populations altering ecological interactions within more naturalistic settings.
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Affiliation(s)
- Joseph F Di Liberto
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, USA.
- Department of Biology, William & Mary, Williamsburg, VA, USA.
| | - Simon C Griffith
- School of Natural Sciences, Macquarie University, Sydney, NSW, Australia
| | - Cara J Hall
- Department of Biology, William & Mary, Williamsburg, VA, USA
| | | | - John P Swaddle
- Department of Biology, William & Mary, Williamsburg, VA, USA
- Institute for Integrative Conservation, William & Mary, Williamsburg, VA, USA
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11
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van den Heever L, Naidoo V, Coetzer T, Eyssen L, Hewlett J, Smit-Robinson HA, McKechnie AE. Sub-lethal impacts of lead poisoning on blood biochemistry, immune function and delta-aminolevulinic acid dehydratase (δ-ALAD) activity in Cape (Gyps coprotheres) and white-backed (G. africanus) Vulture chicks. ENVIRONMENTAL RESEARCH 2024; 245:117926. [PMID: 38104912 DOI: 10.1016/j.envres.2023.117926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/17/2023] [Accepted: 12/10/2023] [Indexed: 12/19/2023]
Abstract
Although the prevalence of lead poisoning in southern Africa's Gyps vultures is now well-established, its finer physiological effects on these endangered species remain poorly characterised. We evaluated the sub-lethal impact of acute lead exposure on Cape and White-backed Vulture chicks from two breeding colonies in South Africa, by analysing its possible effects on key blood biochemistry parameters, immune function, packed cell volume and δ-aminolevulinic acid dehydratase (δ-ALAD) activity. All 37 White-backed Vulture nestlings sampled displayed elevated lead levels (>10 μg/dL), and seven had blood [Pb] >100 μg/dL. Eight of 28 Cape Vulture nestlings sampled had blood [Pb] exceeding background exposure, with one showing blood [Pb] >100 μg/dL. Delta-aminolevulinic acid dehydratase (δ-ALAD) activity was significantly and negatively related to blood [Pb] in nestlings from both species, with 50% inhibition of the enzyme predicted to occur at blood [Pb] = 52.8 μg/dL (White-backed Vulture) and 18.8 μg/dL (Cape Vulture). Although no significant relationship was found between % packed cell volume (PCV) and blood [Pb], the relatively lower mean PCV of 32.9% in White-backed Vulture chicks, combined with normal serum protein values, is likely indicative of depression or haemolytic anaemia. The leukogram was consistent in both species, although the presence of immature heterophils suggested an inflammatory response in White-backed Vulture chicks with blood [Pb] >100 μg/dL. Values for cholesterol, triglycerides, total serum protein, albumin, globulin, albumin/globulin ratio, alanine aminotransferase (ALT) and gamma-glutamyl transferase (GGT) were consistent with values previously reported. Calcium and phosphorus concentrations suggested no adverse effects on bone metabolism. A significant decrease in urea: uric acid (U:UA) ratio at blood [Pb] >100 μg/dL in White-backed Vulture chicks, brought about by a decrease in urea production, raises the possibility of hepatic abnormality. These results suggest that δ-ALAD activity may serve as a sensitive biomarker of lead toxicity in both species, while highlighting the need to better understand the significant variability in sensitivity that is observed, even between closely related members of the same genus.
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Affiliation(s)
- Linda van den Heever
- Conservation Division, BirdLife South Africa, Johannesburg, South Africa; DSI-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa.
| | - Vinny Naidoo
- Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
| | - Theresa Coetzer
- Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Lauren Eyssen
- Biochemistry, School of Life Sciences, University of KwaZulu-Natal, Pietermaritzburg, South Africa
| | - Jennie Hewlett
- Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
| | - Hanneline A Smit-Robinson
- Conservation Division, BirdLife South Africa, Johannesburg, South Africa; Applied Behavioural Ecological & Ecosystem Research Unit (ABEERU), UNISA, Florida, South Africa
| | - Andrew E McKechnie
- DSI-NRF Centre of Excellence at the FitzPatrick Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa; South African Research Chair in Conservation Physiology, South African National Biodiversity Institute, Pretoria, South Africa
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12
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Kitowski I, Łopucki R, Wiącek D, Pitucha G, Sujak A, Jakubas D. Concentration of metals and metalloids in livers of birds of various foraging guilds collected during the autumn migration period in Poland. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:21913-21934. [PMID: 38400961 DOI: 10.1007/s11356-024-32502-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/12/2024] [Indexed: 02/26/2024]
Abstract
During migration, birds explore various habitats at stopover sites that differ in food resources and contamination levels. In this study, hepatic concentrations of 21 elements (metals and metalloids) in 11 species of birds, representing various foraging habitats (such as aquatic, aquatic/terrestrial, and terrestrial) and migration modes (migratory and sedentary) representing various foraging guilds (omnivores, piscivores, and molluscivores), were analyzed. The samples (N = 84) were collected during the autumn migration period in Poland. The concentrations of elements determined in this study exhibited high inter-species variability, reflecting the diversity in contamination levels depending on food resources used by specific bird groups. Many of the investigated individuals from different species showed exceeded levels of subclinical toxicity and moderate clinical poisoning due to Cd and Hg. Higher concentrations of As, Hg, and Ba and lower V concentrations were found in migratory birds as compared to sedentary birds. Species foraging in terrestrial habitat had different concentrations of some elements compared to aquatic and aquatic/terrestrial species. Some specific inter-species differences in hepatic elemental concentrations were found. Differences in elemental concentrations among various groups can primarily be attributed to their foraging guilds, with certain elements, particularly As, V, and Hg, playing a significant role in the dissimilarity of elemental concentrations between foraging habitat groups and migratory mode groups. The data collected confirmed the limited ability of As to enter ecosystem pathways. The results of this study contribute to understanding the year-round exposure of migratory birds to environmental contamination, which can have carry-over effects on their performance in wintering and breeding grounds.
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Affiliation(s)
- Ignacy Kitowski
- University College of Applied Sciences in Chełm, Pocztowa 54, 22-100, Chełm, Poland
| | - Rafał Łopucki
- Department of Biomedicine and Environmental Research, The John Paul II Catholic University of Lublin, Konstantynów 1J, 20-708, Lublin, Poland
| | - Dariusz Wiącek
- Bohdan Dobrzański Institute of Agrophysics of the Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
| | - Grzegorz Pitucha
- Biodiversity Laboratory, Institute of Agricultural Sciences, Land Management and Environmental Protection, University of Rzeszów, Ćwiklińskiej 1A, 35-601, Rzeszów, Poland
| | - Agnieszka Sujak
- Department of Biosystem Engineering, Faculty of Environmental Engineering and Mechanical Engineering, Poznań University of Life Sciences, Wojska Polskiego 50, 60-627, Poznań, Poland.
| | - Dariusz Jakubas
- Department of Vertebrate Ecology and Zoology, Faculty of Biology, University of Gdańsk, Wita Stwosza 59, 80-308, Gdańsk, Poland
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13
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Khan EA, Greve M, Russell I, Ciesielski TM, Lundregan S, Jensen H, Rønning B, Bones AM, Asimakopoulos AG, Waugh CA, Jaspers VLB. Lead exposure is related to higher infection rate with the gapeworm in Norwegian house sparrows (Passer domesticus). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123443. [PMID: 38278400 DOI: 10.1016/j.envpol.2024.123443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 01/28/2024]
Abstract
Anthropogenic pollution is identified as an important threat to bird and other wildlife populations. Many metals and toxic elements, along with poly- and perfluoroalkyl substances (PFASs) are known to induce immunomodulation and have previously been linked to increased pathogen prevalence and infectious disease severity. In this study, the house sparrow (Passer domesticus) was investigated at the coast of Helgeland in northern Norway. This population is commonly infected with the parasitic nematode "gapeworm" (Syngamus trachea), with a prevalence of 40-60 % during summer months. Gapeworm induces severe respiratory disease in birds and has been previously demonstrated to decrease survival and reproductive success in wild house sparrows. The aim of this study was to investigate whether a higher exposure to pollution with PFASs, metals and other elements influences gapeworm infection in wild house sparrows. We conducted PFASs and elemental analysis on whole blood from 52 house sparrows from Helgeland, including analyses of highly toxic metals such as lead (Pb), mercury (Hg) and arsenic (As). In addition, we studied gapeworm infection load by counting the parasite eggs in faeces from each individual. We also studied the expression of microRNA 155 (miR155) as a key regulator in the immune system. Elevated blood concentrations of Pb were found to be associated with an increased prevalence of gapeworm infection in the house sparrow. The expression of miR155 in the plasma of the house sparrow was only weakly associated with Pb. In contrast, we found relatively low PFASs concentrations in the house sparrow blood (∑ PFASs 0.00048-354 μg/L) and PFASs were not associated to miR155 nor infection rate. The current study highlights the potential threat posed by Pb as an immunotoxic pollutant in small songbirds.
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Affiliation(s)
- Essa A Khan
- Department of Biology, Norwegian University of Science and Technology, Norway.
| | - Melissa Greve
- Department of Biology, Norwegian University of Science and Technology, Norway
| | - Isabelle Russell
- Department of Biology, Norwegian University of Science and Technology, Norway
| | - Tomasz M Ciesielski
- Department of Biology, Norwegian University of Science and Technology, Norway
| | - Sarah Lundregan
- Department of Biology, Norwegian University of Science and Technology, Norway
| | - Henrik Jensen
- Department of Biology, Norwegian University of Science and Technology, Norway
| | - Bernt Rønning
- Department of Teacher Education, Norwegian University of Science and Technology, Norway
| | - Atle M Bones
- Department of Biology, Norwegian University of Science and Technology, Norway
| | | | | | - Veerle L B Jaspers
- Department of Biology, Norwegian University of Science and Technology, Norway
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14
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Dos Santos RL, Mariz CF, Mascarenhas-Júnior PB, Barboza RSL, Dos Santos EM, de Sousa Correia JM, de Carvalho PSM. Nondestructive Evaluation of Metal Bioaccumulation and Biochemical Biomarkers in Blood of Broad-Snouted Caiman (Caiman latirostris) from Northeastern Brasil. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024. [PMID: 38411291 DOI: 10.1002/etc.5823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/02/2023] [Accepted: 01/04/2024] [Indexed: 02/28/2024]
Abstract
Studies on the bioaccumulation and toxicity of contaminants in Crocodylians are scarce. We evaluated alterations in concentrations of the nondestructive biomarkers butyrylcholinesterase (BChE), glutathione-S-transferase (GST), superoxide dismutase (SOD), and reduced glutathione (GSH), together with bioaccumulation of the metals iron (Fe), copper (Cu), zinc (Zn), manganese (Mn), chronium (Cr), aluminium (Al), and lead (Pb) in Caiman latirostris captured in Tapacurá Reservoir (TR; São Lourenço da Mata, Pernambuco, Brasil), in urbanized areas of Pernambuco State (UA; Brasil) and from the AME Brasil caiman farm (AF; Marechal Deodoro, Alagoas, Brasil); the latter was used as a potential reference with low levels of contamination. For metal analysis, 500 µL of blood was digested in 65% HNO3 and 30% H2 O2 . The samples were analyzed by inductively coupled plasma-optical emission spectrometry. For analysis of biomarkers, an aliquot of blood was centrifuged to obtain plasma in which biochemical assays were performed. Blood concentrations of metals analyzed in animals from AF were lower compared with TR and UA, confirming that animals from the caiman farm could be used as references with low levels of contamination. Iron, Cu, Mn, Al, and Pb exceeded toxic levels for other vertebrates in animals from TR and UA. Butyrylcholinesterase activity showed significant reduction in adults from UA and TR compared with AF. An increase in the activity of GST and GSH, in adults of TR and UA in relation to AF, was verified. Superoxide dismutase activity showed a significant reduction in adults of TR in relation to AF, and the concentrations of Cu and Mn were negatively correlated with SOD activity. Animals from UA and TR showed greater concentrations of the analyzed metals compared with reference animals, and changes in biomarkers were seen, confirming the potential of these nondestructive chemical and biological parameters in blood of C. latirostris for biomonitoring of pollution. Environ Toxicol Chem 2024;00:1-18. © 2024 SETAC.
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Affiliation(s)
- Rayssa Lima Dos Santos
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, Brasil
- Laboratório Interdisciplinar de Anfibios e Répteis, Universidade Federal de Pernambuco, Recife, Brasil
- Laboratório de Ecotoxicologia Aquática, Universidade Federal de Pernambuco, Recife, Brasil
| | - Célio Freire Mariz
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, Brasil
- Laboratório de Ecotoxicologia Aquática, Universidade Federal de Pernambuco, Recife, Brasil
| | - Paulo Braga Mascarenhas-Júnior
- Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pernambuco, Recife, Brasil
- Laboratório Interdisciplinar de Anfibios e Répteis, Universidade Federal de Pernambuco, Recife, Brasil
| | - Rafael Sá Leitão Barboza
- Laboratório Interdisciplinar de Anfibios e Répteis, Universidade Federal de Pernambuco, Recife, Brasil
- Programa de Pós-Graduação em Biodiversidade, Universidade Federal Rural de Pernambuco, Recife, Brasil
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15
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Tanner T, Giancarlo L, Frankel T. Investigating the effects of three trace metals on the viability, embryonic development, and locomotor behavior of the Seminole ramshorn snail at environmentally relevant concentrations. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e10978. [PMID: 38204384 DOI: 10.1002/wer.10978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/08/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024]
Abstract
Trace metal contamination is a widespread issue due to its many natural and anthropogenic sources and known carcinogenic, teratogenic, and reproductive effects. As previous invertebrate trace metal research has primarily focused on model species (Daphnia magna, Chironomidae, etc.), our understanding of effects on non-model invertebrate species remains relatively poor. As such, this study assessed the exposure effects of cadmium, arsenic, and lead on viability, locomotor behavior, and embryonic development of the Seminole ramshorn snail (Planorbella duryi). Exposure treatments of CdCl2 , Na2 HAsO4 • 7H2 O, or Pb (NO3 )2 were prepared at concentrations of 0, 0.01, 0.1, 1, and 10 mg/L and confirmed using inductively coupled plasma optical emission spectroscopy (ICP-OES). Individual adult P. duryi were exposed for 7 days with viability assessed every 24 h, and locomotor behavior was accessed on Days 1 and 7 using ToxTrac v2.97 automated behavior software. Individual embryos from newly laid (<6 h old) embryonic clutches were exposed for 10 days, during which embryonic development stage was documented every 24 h. Based on our results, an additional follow-up study for cadmium was conducted using a lower range of 0-0.1 mg/L to allow for the observation of sublethal endpoints. Adult lead and cadmium exposure resulted in significant mortality in the highest treatments (1 and 10 mg/L), dose-dependent behavioral effects, and delayed embryonic development. Arsenic exposures resulted in little to no impacts for all assessed endpoints. Our results provide new insight into the sublethal impacts of these contaminants and highlight potential for behavior and embryonic development as useful tools for risk assessment. PRACTITIONER POINTS: The exposure effects of lead, cadmium, and arsenic on the viability, embryonic development, and locomotor behavior of a common freshwater snail species was investigated using environmentally relevant concentrations. The severity of impact differed for each trace metal, with cadmium being the most toxic and arsenic the least toxic at concentrations ranging from 0 to 10 mg/L. Embryonic development appeared to be the most sensitive endpoint of those tested in this study, suggesting that exposure may have prolonged effects that extend to population and community levels. The Seminole ramshorn snail serves as a sensitive alternative model species that can be used to assess the impacts of contaminants on freshwater invertebrates in future studies.
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Affiliation(s)
- Talia Tanner
- Department of Earth and Environmental Sciences, University of Mary Washington, Fredericksburg, Virginia, USA
| | - Leanna Giancarlo
- Department of Chemistry and Physics, University of Mary Washington, Fredericksburg, Virginia, USA
| | - Tyler Frankel
- Department of Earth and Environmental Sciences, University of Mary Washington, Fredericksburg, Virginia, USA
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16
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Kucharska K, Binkowski ŁJ, Dudzik K, Barker J, Barton S, Rupérez D, Hahn A. Temporal and spatial trends in lead levels in the blood and down of Black Stork nestlings in central Europe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165758. [PMID: 37495121 DOI: 10.1016/j.scitotenv.2023.165758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 07/19/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
Young birds at an intensive growth stage are especially vulnerable to the deleterious effects of contaminants such as lead (Pb). This element negatively influences organs, development and even behavior, which can consequently lead to lower survival and reproductive success of the population. There was a suspicion that these mechanisms, along with other factors, retarded population growth of the Black Stork - still a heavily understudied species in respect to pollution, especially Pb. Therefore, we undertook a study concerning Pb concentrations in the down and blood of Black Stork nestlings from breeding grounds in central and southern Poland (Europe). To investigate the effects of Pb exposure on nestling condition, scale mass index and reduced glutathione levels were also studied, but results indicated that Pb did not influence either of these parameters. The highest blood Pb concentration reached 0.247 μg/g, while the highest down Pb concentrations was significantly higher reaching 4.95 μg/g. Concentrations in blood and down were not correlated with each other. Nest location and year of sampling were not influential for blood but were influential for down Pb concentrations. Relationships between Pb concentrations, habitat characteristics and proximity to emitters were not significant. Overall Pb concentrations in Black Stork nestlings were below the toxicity threshold and did not have negative effects on specimens studied. They were probably related to maternal exposure during migration, on stopover and breeding grounds as well as with food provided by parents.
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Affiliation(s)
- Katarzyna Kucharska
- Institute of Biology and Earth Sciences, Pedagogical University of Krakow, Podchorążych 2, 30-084 Krakow, Poland.
| | - Łukasz J Binkowski
- Institute of Biology and Earth Sciences, Pedagogical University of Krakow, Podchorążych 2, 30-084 Krakow, Poland.
| | - Krzysztof Dudzik
- Eagle Conservation Committee, K. Jagiellończyka 45, 10-062 Olsztyn, Poland.
| | - James Barker
- School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, KT1 2EE Kingston-upon-Thames, Surrey, UK.
| | - Stephen Barton
- School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, KT1 2EE Kingston-upon-Thames, Surrey, UK.
| | - David Rupérez
- School of Life Sciences, Pharmacy and Chemistry, Kingston University, Penrhyn Road, KT1 2EE Kingston-upon-Thames, Surrey, UK.
| | - Andreas Hahn
- School of Geography, Geology and the Environment, Kingston University, Penrhyn Road, KT1 2EE Kingston-upon-Thames, Surrey, UK.
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17
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Needham T, Bureš D, Černý J, Hoffman LC. Overview of game meat utilisation challenges and opportunities: A European perspective. Meat Sci 2023; 204:109284. [PMID: 37480669 DOI: 10.1016/j.meatsci.2023.109284] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/11/2023] [Accepted: 07/13/2023] [Indexed: 07/24/2023]
Abstract
Re-wilding and similar initiatives have resulted in an increase in wildlife suitable for human consumption in Europe. However, game meat production and consumption present several challenges, including infectious diseases which pose risks to livestock, processers, and consumers. This review provides insights into the infectious diseases and toxic contaminants associated with game meat. The effect of killing method on the meat quality is also discussed and means of improving the meat quality of game meat is elucidated. The use of different food safety systems that could be applied to provide safe meat is reported. The importance of collaborative multi-sector approaches is emphasized, to generate and distribute knowledge and implement One Health strategies that ensure the safe, traceable, sustainable, and professional development of commercial game meat supply chains.
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Affiliation(s)
- Tersia Needham
- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague, Suchdol 165 00, Czech Republic.
| | - Daniel Bureš
- Institute of Animal Science, Přátelství 815, 104 00 Prague, Czech Republic; Department of Food Science, Faculty of Agrobiology, Food and Natural Sciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague, Suchdol 165 00, Czech Republic
| | - Jiří Černý
- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamýcká 129, Prague, Suchdol 165 00, Czech Republic
| | - Louwrens C Hoffman
- Center for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, Digital Agricultural Building. 8115. Office 110, Gatton 4343, Australia
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18
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Zolfaghari G. The first ecological contamination study of avian mercury and lead in southeast Iran, Hamun International Wetlands. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:96575-96590. [PMID: 37578583 DOI: 10.1007/s11356-023-29219-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 08/03/2023] [Indexed: 08/15/2023]
Abstract
The concentrations of mercury (Hg) and lead (Pb) in feather samples of nine bird's species (n = 65) were determined from southeastern areas of Iran, Hamun International Wetlands. Hg concentrations were ranged from 0.40 to 3.00 mg/kg dry wt and from 0.38 to 1.76 mg/kg for primary and secondary feathers, respectively. Furthermore, Pb concentrations were ranged from 1.43 to 4.10 mg/kg and from 1.28 to 3.65 mg/kg for primary and secondary feathers, respectively. Deposition of metals varied significantly among the primary and secondary feathers of systematic category (families) for Hg and Pb (p < 0.001). It was found that there is a significant difference in feather Hg and Pb concentrations across species (p < 0.001) with highest concentrations in saker falcon (Falconidae) (Hg = 3.00 mg/kg and Pb = 4.10 mg/kg, primary feather) followed by little owl (Strigidae). Grey francolin (Phasianidae) contained the least amount of Hg (0.40 mg/kg) and Pb (1.43 mg/kg) in primary feather. The results showed that the highest concentrations of heavy metals were related to carnivores. Fish predators, omnivores, and insectivores were examined at the next level of metal concentration, with herbivores having the lowest concentrations of lead (1.43 mg/kg) and mercury (0.40 mg/kg). Birds with an open grasslands feeding strategy had the highest mercury and lead concentration. The average value for Pb was on the border of harmful effects (4 mg/kg). The results of this study indicate that mercury levels are lower than the threshold level for reproductive and behavioral harm (5 mg/kg).
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Affiliation(s)
- Ghasem Zolfaghari
- Department of Environmental Sciences and Engineering, Faculty of Environmental Sciences, Hakim Sabzevari University, P.O. Box: 397, Sabzevar, Razavi Khorasan, Iran.
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19
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Hadjadji C, Augiron S, Crini N, Amiot C, Driget V, Tourmetz J, Renault S, Coeurdassier M. Metals in the Réunion harrier: tissue concentrations and meaning for conservation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:89270-89279. [PMID: 37452238 DOI: 10.1007/s11356-023-28748-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023]
Abstract
The Réunion harrier is an endemic raptor on Réunion Island. Several threats endanger its population, poisoning by rodenticides being considered as the main one currently. No information is available on its exposure to other chemicals notably trace metal elements such as lead (Pb), mercury (Hg), and cadmium (Cd). The Réunion harrier is still a victim of poaching nowadays. When shooting is not lethal, animals may carry embedded shot in their body and thus be exposed to toxic level of Pb as demonstrated for other raptors. Moreover, recent monitoring suggests a decrease of its breeding success over time. It is known that Hg and Cd could impair reproduction and disturb embryo development in birds. The aim is to measure metal concentrations in the tissues of 30 carcasses of harrier collected from 2016 to 2021. Lead was analyzed in the liver and humerus, while Hg and Cd were measured in livers. Concentrations were compared to toxicological reference values. Overall, the Réunion harrier was not exposed to toxic levels of Pb or Cd. For Hg, 53% of the individuals have residues higher than the threshold compatible with oxidative stress, and 13% have liver concentrations above those compatible with reproduction impairment. A positive correlation was found between the proportion of urban habitat in a 55 km2 area centered on the location where the harrier was found and the concentration of Hg in the liver. We conclude that Hg exposure could be a threat for the Réunion harrier population and recommend monitoring the exposure of the most sensitive stages, i.e., embryos and nestlings, to this metal with non-invasive methods.
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Affiliation(s)
- Cloé Hadjadji
- Chrono-environnement-UMR 6249 CNRS Université de Franche-Comté, 16 route de Gray, 25030, Besançon Cedex, France
| | - Steve Augiron
- SEOR, 13 Ruelle des Orchidées, 97440, Saint-André, La Réunion, France
| | - Nadia Crini
- Chrono-environnement-UMR 6249 CNRS Université de Franche-Comté, 16 route de Gray, 25030, Besançon Cedex, France
| | - Caroline Amiot
- Chrono-environnement-UMR 6249 CNRS Université de Franche-Comté, 16 route de Gray, 25030, Besançon Cedex, France
| | - Vincent Driget
- Chrono-environnement-UMR 6249 CNRS Université de Franche-Comté, 16 route de Gray, 25030, Besançon Cedex, France
| | - Julie Tourmetz
- SEOR, 13 Ruelle des Orchidées, 97440, Saint-André, La Réunion, France
| | - Samantha Renault
- SEOR, 13 Ruelle des Orchidées, 97440, Saint-André, La Réunion, France
| | - Michael Coeurdassier
- Chrono-environnement-UMR 6249 CNRS Université de Franche-Comté, 16 route de Gray, 25030, Besançon Cedex, France.
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20
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Hutchinson DJ, Jones EM, Pay JM, Clarke JR, Lohr MT, Hampton JO. Further investigation of lead exposure as a potential threatening process for a scavenging marsupial species. Aust Vet J 2023; 101:313-319. [PMID: 37311719 DOI: 10.1111/avj.13252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 05/11/2023] [Accepted: 05/21/2023] [Indexed: 06/15/2023]
Abstract
There is a growing recognition of the harmful effects of lead exposure on avian and mammalian scavengers. This can lead to both lethal and non-lethal effects which may negatively impact wildlife populations. Our objective was to assess medium-term lead exposure in wild Tasmanian devils (Sarcophilus harrisii). Frozen liver samples (n = 41), opportunistically collected in 2017-2022, were analysed using inductively coupled plasma mass spectrometry (ICP-MS) to determine liver lead concentrations. These results were then used to calculate the proportion of animals with elevated lead levels (>5 mg/kg dry weight) and examine the role of explanatory variables that may have influenced the results. The majority of samples analysed were from the south-east corner of Tasmania, within 50 km of Hobart. No Tasmanian devil samples were found to have elevated lead levels. The median liver lead concentration was 0.17 mg/kg (range 0.05-1.32 mg/kg). Female devils were found to have significantly higher liver lead concentrations than males (P = 0.013), which was likely related to lactation, but other variables (age, location, body mass) were not significant. These results suggest that wild Tasmanian devil populations currently show minimal medium-term evidence of exposure to lead pollution, although samples were concentrated in peri-urban areas. The results provide a baseline level which can be used to assess the impact of any future changes in lead use in Tasmania. Furthermore, these data can be used as a comparison for lead exposure studies in other mammalian scavengers, including other carnivorous marsupial species.
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Affiliation(s)
- D J Hutchinson
- Faculty of Science, University of Melbourne, Werribee, Victoria, Australia
| | - E M Jones
- School of Natural Sciences, University of Tasmania, Sandy Bay, Tasmania, Australia
| | - J M Pay
- School of Natural Sciences, University of Tasmania, Sandy Bay, Tasmania, Australia
| | - J R Clarke
- Tasmanian Museum and Art Gallery (TMAG), Hobart, Tasmania, Australia
| | - M T Lohr
- School of Science, Faculty of Health, Engineering and Science, Edith Cowan University, Joondalup, Western Australia, Australia
- SLR Consulting, Subiaco, Western Australia, Australia
| | - J O Hampton
- Faculty of Science, University of Melbourne, Werribee, Victoria, Australia
- Harry Butler Institute, Murdoch University, Murdoch, Western Australia, Australia
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21
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Thomas VG, Kanstrup N. Promoting enforcement of non-lead hunting ammunition regulations and compliance in Europe and North America. AMBIO 2023; 52:1350-1358. [PMID: 37079207 PMCID: PMC10272061 DOI: 10.1007/s13280-023-01863-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/21/2023] [Accepted: 03/27/2023] [Indexed: 05/03/2023]
Abstract
The direct regulation of lead ammunition in North America and Europe has been mainly for hunting in wetlands. Little support among hunters and the ammunition makers exists for further regulation despite suitable lead substitutes and much education about the known risks to wildlife and human health from ingested lead. In the absence of personnel to detect use of lead ammunition and enforce regulations, hunter compliance is low. Identification of non-lead ammunition using existing electronic technology and an international protocol on the identification of non-lead rifle bullets is proposed to aid enforcement. An explicit definition of the chemical composition of lead substitutes is required in European Union legislation together with a more enforceable distinction between 'possession during hunting' and 'ownership' of lead ammunition. A more transdisciplinary regulatory approach to transitioning to non-lead ammunition is advised. It comprises widespread public health advisories, setting a maximum allowable lead level in commercial game meats in EU legislation, and public communication that emphasizes the benefits of non-lead ammunition use to all categories of wildlife and the public perception of hunting, whether in North America or Europe.
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Affiliation(s)
- Vernon G. Thomas
- Department of Integrative Biology, College of Biological Science, University of Guelph, Guelph, ON N1G 2W1 Canada
| | - Niels Kanstrup
- Department of Ecoscience, Aarhus University, C.F. Møllers Allé 8, 8000 Aarhus C, Denmark
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22
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Ushine N, Ozawa M, Nakayama SMM, Ishizuka M, Kato T, Hayama SI. Evaluation of the Effect of Pb Pollution on Avian Influenza Virus-Specific Antibody Production in Black-Headed Gulls ( Chroicocephalus ridibundus). Animals (Basel) 2023; 13:2338. [PMID: 37508115 PMCID: PMC10376737 DOI: 10.3390/ani13142338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Lead (Pb), an environmental pollutant, has been widely reported to have contaminated mammals, including humans and birds. This study focuses on the effects of Pb pollution on avian influenza virus (AIV) antibody production. A total of 170 black-headed gulls (Chroicocephalus ridibundus) were captured in Tokyo Bay (TBP) from January 2019 to April 2020 and in Mikawa Bay (MBP) from November 2019 to April 2021. The gulls were weighed, subjected to blood sampling, and released with a ring band on their tarsus. The samples were used to measure blood Pb levels (BLL) and AIV-specific antibodies. The BLL were compared using the Wilcoxon two-sample test between the period when black-headed gulls arrived and the wintering period, defined by the number of gulls counted in each area. A significant increase was found in the TBP. A decrease in BLL significantly increased antibody titer during wintering in TBP and MBP. Pb pollution had a negative effect on the production of AIV antibodies. These findings suggest that wild birds that were contaminated by Pb in the environment may facilitate the spread of zoonotic diseases, further increasing the possibility that environmental pollutants may threaten human health.
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Affiliation(s)
- Nana Ushine
- Laboratory of Wildlife Medicine, Department of Veterinary Medicine, Nippon Veterinary and Life Science University, Musashino 180-0023, Japan
- Laboratory of Animal Welfare, Department of Animal Health Technology, Yamazaki University of Animal Health Technology, Hachioji 192-0364, Japan
| | - Makoto Ozawa
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima 890-0065, Japan
| | - Shouta M M Nakayama
- School of Veterinary Medicine, The University of Zambia, Lusaka P.O. Box 32379, Zambia
- Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0808, Japan
| | - Mayumi Ishizuka
- Laboratory of Toxicology, Department of Environmental Veterinary Sciences, Faculty of Veterinary Medicine, Hokkaido University, Sapporo 060-0808, Japan
| | - Takuya Kato
- Laboratory of Wildlife Medicine, Department of Veterinary Medicine, Nippon Veterinary and Life Science University, Musashino 180-0023, Japan
| | - Shin-Ichi Hayama
- Laboratory of Wildlife Medicine, Department of Veterinary Medicine, Nippon Veterinary and Life Science University, Musashino 180-0023, Japan
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23
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Hampton JO, Lohr MT, Specht AJ, Nzabanita D, Hufschmid J, Berger L, McGinnis K, Melville J, Bennett E, Pay JM. Lead exposure of mainland Australia's top avian predator. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023:122004. [PMID: 37302786 DOI: 10.1016/j.envpol.2023.122004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 05/24/2023] [Accepted: 06/08/2023] [Indexed: 06/13/2023]
Abstract
Lead (Pb) toxicity, through ingestion of lead ammunition in carcasses, is a threat to scavenging birds worldwide, but has received little attention in Australia. We analyzed lead exposure in the wedge-tailed eagle (Aquila audax), the largest raptor species found in mainland Australia and a facultative scavenger. Eagle carcasses were collected opportunistically throughout south-eastern mainland Australia between 1996 and 2022. Lead concentrations were measured in bone samples from 62 animals via portable X-ray fluorescence (XRF). Lead was detected (concentration >1 ppm) in 84% (n = 52) of the bone samples. The mean lead concentration of birds in which lead was detected was 9.10 ppm (±SE 1.66). Bone lead concentrations were elevated (10-20 ppm) in 12.9% of samples, and severe (>20 ppm) in 4.8% of samples. These proportions are moderately higher than equivalent data for the same species from the island of Tasmania, and are comparable to data from threatened eagle species from other continents. Lead exposure at these levels is likely to have negative impacts on wedge-tailed eagles at the level of the individual and perhaps at a population level. Our results suggest that studies of lead exposure in other Australian avian scavenger species are warranted.
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Affiliation(s)
- Jordan O Hampton
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia; Harry Butler Institute, Murdoch University, 90 South Street, Murdoch, Western Australia, 6150, Australia.
| | - Michael T Lohr
- School of Science, Edith Cowan University, 100 Joondalup Drive, Joondalup, Western Australia, 6027, Australia; SLR Consulting, 500 Hay St, Subiaco, Western Australia, 6008, Australia
| | - Aaron J Specht
- Purdue University, 610 Purdue Mall, West Lafayette, IN, 47907, United States
| | - Damien Nzabanita
- School of Science, RMIT University, 264 Plenty Road, Bundoora, Victoria, 3083, Australia
| | - Jasmin Hufschmid
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Lee Berger
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Kate McGinnis
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia; Animal Welfare League Queensland, Shelter Road, Coombabah, Queensland, 4216, Australia
| | - Jane Melville
- Museums Victoria Research Institute, 11 Nicholson Street, Carlton, Victoria, 3053, Australia; School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
| | - Emma Bennett
- School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
| | - James M Pay
- University of Tasmania, Churchill Avenue, Hobart, Tasmania, 7005, Australia
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24
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Brown L, Fuchs B, Arnemo JM, Kindberg J, Rodushkin I, Zedrosser A, Pelletier F. Lead exposure in brown bears is linked to environmental levels and the distribution of moose kills. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 873:162099. [PMID: 36764533 DOI: 10.1016/j.scitotenv.2023.162099] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/27/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Lead (Pb) is heterogeneously distributed in the environment and multiple sources like Pb ammunition and fossil fuel combustion can increase the risk of exposure in wildlife. Brown bears (Ursus arctos) in Sweden have higher blood Pb levels compared to bears from other populations, but the sources and routes of exposure are unknown. The objective of this study was to quantify the contribution of two potential sources of Pb exposure in female brown bears (n = 34 individuals; n = 61 samples). We used multiple linear regressions to determine the contribution of both environmental Pb levels estimated from plant roots and moose (Alces alces) kills to blood Pb concentrations in female brown bears. We found positive relationships between blood Pb concentrations in bears and both the distribution of moose kills by hunters and environmental Pb levels around capture locations. Our results suggest that the consumption of slaughter remains discarded by moose hunters is a likely significant pathway of Pb exposure and this exposure is additive to environmental Pb exposure in female brown bears in Sweden. We suggest that spatially explicit models, incorporating habitat selection analyses of harvest data, may prove useful in predicting Pb exposure in scavengers.
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Affiliation(s)
- Ludovick Brown
- Département de biologie, Université de Sherbrooke, Sherbrooke, Canada.
| | - Boris Fuchs
- Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Koppang, Norway
| | - Jon M Arnemo
- Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Koppang, Norway; Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Jonas Kindberg
- Norwegian Institute for Nature Research, Trondheim, Norway; Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Ilia Rodushkin
- Division of Geosciences, Luleå University of Technology, Luleå, Sweden; ALS Scandinavia AB, Luleå, Sweden
| | - Andreas Zedrosser
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, Bø, Telemark, Norway; Institute for Wildlife Biology and Game Management, University for Natural Resources and Life Sciences, Vienna, Austria
| | - Fanie Pelletier
- Département de biologie, Université de Sherbrooke, Sherbrooke, Canada
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25
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Jensen M, Poulsen R, Langebæk R, Jenssen BM, Moe J, Ciesielski TM, Dietz R, Sonne C, Madsen J, Hansen M. The metabolome of pink-footed goose: Heavy metals and lipid metabolism. ENVIRONMENTAL RESEARCH 2023; 231:116043. [PMID: 37156351 DOI: 10.1016/j.envres.2023.116043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/30/2023] [Accepted: 05/02/2023] [Indexed: 05/10/2023]
Abstract
Wildlife is exposed to mixtures of environmental contaminants that affect health and population dynamics. Exposure to toxic heavy metals originating from anthropogenic sources may exert metabolic effects at even low exposure concentrations. Here we investigated the relationships between heavy metal exposure and metabolic changes in the migratory bird pink-footed goose (Anser brachyrhynchus). We used blood pellet and blood plasma samples from 27 free-ranging pink-footed geese to study heavy metal (Cd, Cr, Hg, and Pb) exposure in relation to the metabolome. The results relate blood concentrations of Cd (range: 0.218-1.09 ng/g), Cr (range: 0.299-5.60 ng/g), and Hg (range: 2.63-6.00 ng/g) to signal areas of fatty acids and other lipids, while no correlations were identified for Pb level (range: 21.0-64.2 ng/g) exposure. Lipid signal areas were negatively associated with concentrations of Cr and positively associated with Hg exposure (both p < 0.05). α-Linolenic acid and 9-oxononanoic acid were negatively correlated to Cr exposure (both p < 0.05) and were related in the α-linolenic acid metabolism pathway. Compared to known thresholds for aviary species, the heavy metal concentrations are below levels of toxicity, which may explain the low number of metabolites that significantly change. Nevertheless, the heavy metal exposure is still correlated to changes in the lipid metabolism that may reduce migrating birds' breeding success and increase mortality for an exposed part of the population.
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Affiliation(s)
- Mette Jensen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000, Roskilde, Denmark; Department of Veterinary Clinical Science, Faculty of Health Sciences, University of Copenhagen, Dyrlægevej 16, DK-1870, Frederiksberg C, Denmark
| | - Rikke Poulsen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000, Roskilde, Denmark
| | - Rikke Langebæk
- Department of Veterinary Clinical Science, Faculty of Health Sciences, University of Copenhagen, Dyrlægevej 16, DK-1870, Frederiksberg C, Denmark
| | - Bjørn Munro Jenssen
- Department of Ecoscience, Arctic Research Centre (ARC), Aarhus University, Faculty of Science and Technology, Frederiksborgvej 399, DK-4000, Roskilde, Denmark; Department of Biology, Norwegian University of Science and Technology, NO-7491, Trondheim, Norway
| | - Johanna Moe
- Department of Biology, Norwegian University of Science and Technology, NO-7491, Trondheim, Norway
| | - Tomasz M Ciesielski
- Department of Biology, Norwegian University of Science and Technology, NO-7491, Trondheim, Norway; Department of Arctic Technology, The University Centre in Svalbard (UNIS), P.O. Box 156, NO-9171, Longyearbyen, Norway
| | - Rune Dietz
- Department of Ecoscience, Arctic Research Centre (ARC), Aarhus University, Faculty of Science and Technology, Frederiksborgvej 399, DK-4000, Roskilde, Denmark
| | - Christian Sonne
- Department of Ecoscience, Arctic Research Centre (ARC), Aarhus University, Faculty of Science and Technology, Frederiksborgvej 399, DK-4000, Roskilde, Denmark
| | - Jesper Madsen
- Department of Ecoscience, Aarhus University, C.F. Møllers Allé 4-8, DK-8000, Aarhus C, Denmark
| | - Martin Hansen
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, DK-4000, Roskilde, Denmark.
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26
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Shaw KR, Balazs GH, Jones TT, Lynch HW, Liu J, Cobb GP, Klein DM, Lynch JM. Green Sea Turtles (Chelonia mydas) Accumulate Heavy Metals Near a Former Skeet Shooting Range in Kailua, O'ahu, Hawai'i. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1109-1123. [PMID: 36866800 DOI: 10.1002/etc.5601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/21/2022] [Accepted: 02/27/2023] [Indexed: 06/19/2023]
Abstract
The present study determined if green sea turtles (Chelonia mydas) in Kailua Bay, Oahu, in the Hawaiian Islands have elevated blood and scute lead (Pb), arsenic (As), and antimony (Sb) concentrations resulting from lead deposition at a historic skeet shooting range. Blood and scute samples were collected and analyzed for Pb, As, and Sb via inductively coupled plasma-mass spectrometry. Prey, water, and sediment samples were also analyzed. Turtle samples in Kailua Bay (45) have blood Pb concentrations (328 ± 195 ng/g) greater than a reference population (Howick Group of Islands, 29.2 ± 17.1 ng/g). Compared with other green turtle populations, only turtles in Oman, Brazil, and San Diego, CA have blood Pb concentrations greater than turtles in Kailua Bay. The estimated daily exposure of Pb from algae sources in Kailua Bay (0.12 mg/kg/day) was significantly lower than the no observed adverse effect level (100 mg/kg) of red-eared slider turtles. However, the chronic effects of Pb on sea turtles is poorly understood and continued monitoring of this population will increase our understanding of the Pb and As loads of sea turtles in Kailua Bay. Environ Toxicol Chem 2023;42:1109-1123. © 2023 SETAC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Katherine R Shaw
- Department of Environmental Toxicology, Texas Tech University, Lubbock, Texas, USA
| | | | - T Todd Jones
- Pacific Islands Fisheries Science Center, National Oceanic and Atmospheric Administration, Honolulu, Hawaii, USA
| | | | - Jing Liu
- Environment Research Institute, Shandong University, Qingdao, China
| | - George P Cobb
- Department of Environmental Sciences, Baylor University, Waco, Texas, USA
| | - David M Klein
- Department of Civil Engineering, Texas Tech University, Lubbock, Texas, USA
| | - Jennifer M Lynch
- Chemical Sciences Division, National Institute of Standards and Technology, Waimānalo, Hawaii, USA
- Center for Marine Debris Research, Hawai'i Pacific University, Waimānalo, Hawaii, USA
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27
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Bjedov D, Velki M, Toth L, Marijić VF, Mikuška T, Jurinović L, Ečimović S, Turić N, Lončarić Z, Šariri S, Al Marsoomi Y, Mikuška A. Heavy metal(loid) effect on multi-biomarker responses in apex predator: Novel assays in the monitoring of white stork nestlings. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 324:121398. [PMID: 36878276 DOI: 10.1016/j.envpol.2023.121398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 06/18/2023]
Abstract
The goal of the present study was to investigate differences in biomarker responses related to metal(loid)s in white stork (Ciconia ciconia) nestling's blood from continental Croatia. To achieve this, a battery of biomarkers that can be affected by environmental pollutants, including metal(loid)s, was assessed (esterase activity, fluorescence-based oxidative stress biomarkers, metallothionein levels, glutathione-dependent enzyme activity). The research was conducted during the white stork breeding season in diverse areas (a landfill, industrial and agricultural sites, and an unpolluted area). White storks' nestlings near the landfill exhibited reduced carboxylesterase (CES) activity, elevated glutathione (GSH) concentration, as well as high Pb content in the blood. Increased As and Hg concentrations in blood were attributable to environmental contamination in agricultural area and an assumed unpolluted area, respectively. Furthermore, agricultural practices appeared to affect CES activity, as well as elevate Se levels. In addition to the successful implementation of biomarkers, present research showed that agricultural areas and a landfill are areas with increased metal(loid) levels possibly causing adverse effects on the white storks. This first-time heavy metal and metalloid analyses in the white stork nestlings from Croatia point to the necessary monitoring and future assessments of pollution impact to prevent irreversible adverse effects.
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Affiliation(s)
- Dora Bjedov
- Croatian Institute for Biodiversity, BIOTA Ltd., Maksimirska cesta 129/5, 10000, Zagreb, Croatia
| | - Mirna Velki
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000, Osijek, Croatia
| | - Leontina Toth
- Teaching Institute of Public Health Osijek-baranja County, Franje Krežme 1, 31000, Osijek, Croatia
| | - Vlatka Filipović Marijić
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Bijenička 54, 10000, Zagreb, Croatia
| | - Tibor Mikuška
- Croatian Society for Birds and Nature Protection, Ivana Gundulića 19/A, 31000, Osijek, Croatia
| | - Luka Jurinović
- Poultry Centre, Croatian Veterinary Institute, Heinzelova 55, 10000, Zagreb, Croatia
| | - Sandra Ečimović
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000, Osijek, Croatia
| | - Nataša Turić
- Teaching Institute of Public Health Osijek-baranja County, Franje Krežme 1, 31000, Osijek, Croatia
| | - Zdenko Lončarić
- Department of Agroecology and Environment Protection, Faculty of Agrobiotechnical Sciences Osijek, Josip Juraj Strossmayer University of Osijek, Vladimira Preloga 1, 31000, Osijek, Croatia
| | - Sara Šariri
- Division for Marine and Environmental Research, Ruđer Bošković Institute, Bijenička 54, 10000, Zagreb, Croatia
| | - Yasir Al Marsoomi
- HOGENT University of Applied Sciences and Arts, Geraard de Duivelstraat 5, 9000, Gent, Belgium
| | - Alma Mikuška
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000, Osijek, Croatia.
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28
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Hummel C, Daudin G, Gerzabek MH, Santner J, Wenzel WW, Oburger E. Chemical imaging reveals environmental risk of minor tungsten and lead shotgun pellet constituents during weathering in soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163554. [PMID: 37088395 DOI: 10.1016/j.scitotenv.2023.163554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/13/2023] [Accepted: 04/13/2023] [Indexed: 05/03/2023]
Abstract
Tungsten (W)-based shots are considered more environmentally safe than lead (Pb)-based shots, but knowledge about the W-shot fate in the soil environment is still limited, especially in terms of minor constituents such as iron, copper, and nickel (Ni). Contaminant behaviour in soil strongly depends on pH; in turn, the corrosion of metal composites may affect the pH locally. The aim of this study was to compare Pb- and W-shot weathering dynamics in soil (silt loam, pH 6.3) and reveal the interplay of shot weathering-induced pH-changes on the mobility of elements using in situ chemical imaging (Diffusive gradients in thin films for labile elements, planar optodes for soil pH) and batch incubation experiments over time (16 months). Despite our expectation to find acidification due to W oxidation, we observed a pH increase by 0.2 units in extracted soil solutions and by 0.6 units in the soil around W-shots as Ni dissolved from the binder phase of the shot. After 10 weeks, release of labile Ni was 3-times higher compared to W despite the low Ni content in the shot (7 %, m/m). Pb-shot oxidation increased soil solution pH by 0.5 units which likely supported mobility of Pb-shot-derived antimony (Sb). Steep gradients of labile W and Pb and soil solution concentrations <0.8 μmol L-1 indicated that transfer from shot to soil was low. Contrastingly, labile Ni and Sb were found up to ~4 mm from the shot surface and in higher soil solution concentrations as suggested by the shot constitution, indicating higher mobility of minor as compared to major shot constituents. After 16 months, 36 % of total Ni were dissolved in the soil solution highlighting the environmental relevance of minor shot constituents in Pb-shot alternatives after short term weathering in soil.
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Affiliation(s)
- Christina Hummel
- University of Natural Resources and Life Sciences, BOKU, Department of Forest and Soil Sciences, Institute of Soil Research, Konrad-Lorenz Strasse 24, A-3430 Tulln, Austria
| | - Gabrielle Daudin
- Eco&Sols, Univ Montpellier, CIRAD, INRAE, IRD, Institut Agro, 2 place Viala, F-34060 Montpellier, France
| | - Martin H Gerzabek
- University of Natural Resources and Life Sciences, BOKU, Department of Forest and Soil Sciences, Institute of Soil Research, Peter-Jordan-Straße 82, A-1190 Vienna, Austria
| | - Jakob Santner
- University of Natural Resources and Life Sciences, BOKU, Institute of Agronomy, Konrad-Lorenz Strasse 24, A-3430 Tulln, Austria; Justus-Liebig-University Giessen, Institute of Plant Nutrition, Heinrich-Buff-Ring 26-32, 35390 Gießen, Germany
| | - Walter W Wenzel
- University of Natural Resources and Life Sciences, BOKU, Department of Forest and Soil Sciences, Institute of Soil Research, Konrad-Lorenz Strasse 24, A-3430 Tulln, Austria
| | - Eva Oburger
- University of Natural Resources and Life Sciences, BOKU, Department of Forest and Soil Sciences, Institute of Soil Research, Konrad-Lorenz Strasse 24, A-3430 Tulln, Austria.
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29
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Nzabanita D, Hampton JO, Toop SD, Bengsen AJ, Specht AJ, Flesch JS, Hufschmid J, Nugegoda D. Expanding the use of portable XRF to monitor lead exposure in an Australian duck species two decades after a ban on lead shot. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 869:161803. [PMID: 36708833 DOI: 10.1016/j.scitotenv.2023.161803] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
There is growing worldwide recognition of the threat posed by toxic lead for wildlife and humans. Lead toxicity from ammunition has been shown to be a threat to waterbirds across the globe. Lead shot was banned for all waterfowl hunting in Victoria, Australia, in 2002. However, no assessments of lead exposure in Australian waterfowl have been published since the 1990s. Our aim was to estimate contemporary lead exposure via measuring bone lead concentrations in a harvested dabbling duck, the Pacific black duck (Anas superciliosa). We collected wings from 77 Pacific black ducks, spanning 2018 (n = 30) and 2021 (n = 47), from nine sites with long-term histories of regular waterfowl hunting. We sought to validate portable X-ray fluorescence (XRF) for this purpose by taking a piece of humerus bone from each bird, and measuring lead concentration (mg/kg), first via non-destructive XRF and then via destructive inductively coupled plasma mass spectrometry (ICP-MS) and validated the relationship via regression analysis. Portable XRF bone lead measurement demonstrated a strong correlation with ICP-MS results using root-transformed regression (R2 = 0.85). Greater than 92 % of ducks had only background lead exposure (<10 mg/kg). When compared to historical studies in the same species at similar field sites from the 1990s, lead exposure levels were considerably lower, with mean lead concentrations ∼2-fold lower (3.7 c.f. 7.7 mg/kg), and the frequency of birds with severe lead exposure (>20 mg/kg) ∼3-fold lower (2.6 c.f. 7.5 %). Our results confirm that portable XRF is a useful option for measurement of bone lead in Australasian waterbird species. Our findings also demonstrate that a ban on the use of lead shot around 20 years ago has been associated with a substantial reduction in lead exposure in at least one species of waterfowl.
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Affiliation(s)
- Damien Nzabanita
- School of Science, RMIT University, Bundoora, Victoria 3083, Australia.
| | - Jordan O Hampton
- Faculty of Science, University of Melbourne, Parkville, Victoria 3052, Australia; Harry Butler Institute, Murdoch University, 90 South Street, Western Australia 6150, Australia
| | - Simon D Toop
- Game Management Authority, Bourke St, Melbourne, Victoria 3000, Australia
| | - Andrew J Bengsen
- Vertebrate Pest Research Unit, Department of Primary Industries, 1447 Forest Road, Orange, NSW 2800, Australia; Biosphere Environmental Consultants, Tamworth, NSW 2340, Australia
| | - Aaron J Specht
- Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, United States
| | - Jason S Flesch
- Game Management Authority, Bourke St, Melbourne, Victoria 3000, Australia
| | - Jasmin Hufschmid
- Faculty of Science, University of Melbourne, Parkville, Victoria 3052, Australia
| | - Dayanthi Nugegoda
- School of Science, RMIT University, Bundoora, Victoria 3083, Australia
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Hampton JO, Cobb ML, Toop SD, Flesch JS, Hyndman TH. Elevated lead exposure in Australian hunting dogs during a deer hunting season. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121317. [PMID: 36828357 DOI: 10.1016/j.envpol.2023.121317] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/02/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
There is growing recognition of the threat posed by toxic lead-based ammunition. One group of domestic animals known to be susceptible to harmful lead exposure via this route is hunting dogs. Scent-trailing dogs ('hounds') are used to hunt introduced sambar deer (Cervus unicolor) during a prescribed eight-month (April-November) annual hunting season, during which they are fed fresh venison, in Victoria, south-eastern Australia. We used this annual season as a natural experiment to undertake longitudinal sampling of dogs for lead exposure. Blood was collected from 27 dogs owned by four different deer hunters and comprising three different breeds just prior to the start of the hound hunting season (March 2022) and in the middle of the season (August 2022), and blood lead levels (BLLs) (μg/dL) were determined via inductively coupled plasma mass spectrometry (ICP-MS). Using Tobit regression, the expected BLLs across all dogs were significantly lower before the season (0.50 μg/dL, standard error [SE] = 0.32 μg/dL) than during the season (1.39 μg/dL, SE = 0.35 μg/dL) (p = 0.01). However, when the breed of dog was included in the analyses, this effect was only significant in beagles (P < 0.001), not bloodhounds (p = 0.73) or harriers (p = 0.43). For 32% of the dogs before the season, and 56% during the season, BLLs exceeded the established threshold concentration for developmental neurotoxicity in humans (1.2 μg/dL). Time since most recent venison feeding, sex of dog and owner were not associated with BLLs. The finding that BLLs more than doubled during the hunting season indicates that lead exposure is a risk in this context. These results expand the sphere of impact from environmental lead in Australia from wild animals and humans, to include some groups of domestic animals, a textbook example of a One Health issue.
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Affiliation(s)
- Jordan O Hampton
- Animal Welfare Science Centre, Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia; Harry Butler Institute, Murdoch University, 90 South Street, Western Australia, 6150, Australia.
| | - Mia L Cobb
- Animal Welfare Science Centre, Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Simon D Toop
- Game Management Authority, Level 2, 535 Bourke Street, Melbourne, Victoria, 3000, Australia
| | - Jason S Flesch
- Game Management Authority, Level 2, 535 Bourke Street, Melbourne, Victoria, 3000, Australia
| | - Timothy H Hyndman
- Harry Butler Institute, Murdoch University, 90 South Street, Western Australia, 6150, Australia; School of Veterinary Medicine, Murdoch University, 90 South Street, Western Australia, 6150, Australia
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Ozaki S, Movalli P, Cincinelli A, Alygizakis N, Badry A, Chaplow JS, Claßen D, Dekker RWRJ, Dodd B, Duke G, Koschorreck J, Pereira MG, Potter E, Slobodnik J, Thacker S, Thomaidis NS, Treu G, Walker L. The importance of in-year seasonal fluctuations for biomonitoring of apex predators: A case study of 14 essential and non-essential elements in the liver of the common buzzard (Buteobuteo) in the United Kingdom. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121308. [PMID: 36804138 DOI: 10.1016/j.envpol.2023.121308] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/24/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Trace elements are chemical contaminants spread in the environment by anthropogenic activities and threaten wildlife and human health. Many studies have investigated this contamination in apex raptors as sentinel birds. However, there is limited data for long-term biomonitoring of multiple trace elements in raptors. In the present study, we measured the concentrations of 14 essential and non-essential trace elements in the livers of the common buzzard (Buteo buteo) collected in the United Kingdom from 2001 to 2019 and investigated whether concentrations have changed during this period. In addition, we estimated the importance of selected variables for modelling element accumulations in tissues. Except for cadmium, hepatic concentrations of harmful elements in most buzzards were lower than the biological significance level of each element. Hepatic concentrations of certain elements, including lead, cadmium, and arsenic, varied markedly seasonally within years. Their peak was in late winter and trough in late summer, except copper which showed an opposite seasonal pattern. In addition, lead in the liver consistently increased over time, whereas strontium showed a decreasing trend. Hepatic concentrations of cadmium, mercury, and chromium increased with age, whereas selenium and chromium were influenced by sex. Hepatic concentrations of arsenic and chromium also differed between different regions. Overall, our samples showed a low risk of harmful effects of most elements compared to the thresholds reported in the literature. Seasonal fluctuation was an important descriptor of exposure, which might be related to the diet of the buzzard, the ecology of their prey, and human activities such as the use of lead shot for hunting. However, elucidating reasons for these observed trends needs further examination, and biomonitoring studies exploring the effects of variables such as age, sex, and seasonality are required.
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Affiliation(s)
- Shinji Ozaki
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom.
| | - Paola Movalli
- Naturalis Biodiversity Center, Darwinweg 2, 2333, CR, Leiden, Netherlands
| | - Alessandra Cincinelli
- Department of Chemistry "Ugo Schiff", University of Florence, Via Delle Lastruccia 3, Florence, Italy
| | - Nikiforos Alygizakis
- Environmental Institute, Okružná 784/42, 97241, Koš, Slovak Republic; National and Kapodistrian University of Athens, Panepistimiopolis Zographou, 15771, Athens, Greece
| | - Alexander Badry
- German Environment Agency (Umweltbundesamt), Wörlitzer Platz 1, 06813, Dessau-Roßlau, Germany
| | - Jacqueline S Chaplow
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
| | - Daniela Claßen
- German Environment Agency (Umweltbundesamt), Wörlitzer Platz 1, 06813, Dessau-Roßlau, Germany
| | - René W R J Dekker
- Naturalis Biodiversity Center, Darwinweg 2, 2333, CR, Leiden, Netherlands
| | - Beverley Dodd
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
| | - Guy Duke
- UK Centre for Ecology and Hydrology, MacLean Bldg, Benson Ln, Crowmarsh Gifford, Wallingford, OX10 8BB, United Kingdom
| | - Jan Koschorreck
- German Environment Agency (Umweltbundesamt), Wörlitzer Platz 1, 06813, Dessau-Roßlau, Germany
| | - M Glória Pereira
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
| | - Elaine Potter
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
| | | | - Sarah Thacker
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
| | - Nikolaos S Thomaidis
- National and Kapodistrian University of Athens, Panepistimiopolis Zographou, 15771, Athens, Greece
| | - Gabriele Treu
- German Environment Agency (Umweltbundesamt), Wörlitzer Platz 1, 06813, Dessau-Roßlau, Germany
| | - Lee Walker
- UK Centre for Ecology and Hydrology, Lancaster Environment Centre, Library Avenue, Bailrigg, Lancaster, LA1 4AP, United Kingdom
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Markowski M, Kaliński A, Wawrzyniak J, Glądalski M, Skwarska J, Bańbura J. Microsatellite Instability Assay as a Potential Approach to Evaluate Genotoxicity: Lead Exposure in a Nestling Passerine Bird at the Stage of Intensive Erythropoiesis. Animals (Basel) 2023; 13:ani13081325. [PMID: 37106888 PMCID: PMC10135023 DOI: 10.3390/ani13081325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
Although many avian studies have investigated the toxic effects of lead on important biochemical and physiological processes, organ and system function, and behavior, studies evaluating the specific genotoxic effects of exposure to lead are scarce. Nowadays, rapid technological advances can provide new molecular techniques in this regard. In this study, as a novel approach in bird studies, we used a panel of ten microsatellite loci to investigate the microsatellite instability (MSI) in response to experimental lead intoxication in a common hole-nesting species, the great tit Parus major. For this purpose, an experiment based on an intentional single supplementation of a lead (II) acetate trihydrate compound was conducted, with the use of two different doses, applied to randomly chosen great tit nestlings from randomly selected broods, being at the stage of intensive erythropoiesis. Although this preliminary study did not find any MSI in the seven microsatellite markers retained for the final comparison, it contributes to the examination of this molecular technique in field conditions as being potentially applicable in ecotoxicological bird studies. We believe that certain issues should be considered in finding an explanation for our result. First, the single doses of lead used in this study may have been too weak to induce genetic instability. Second, the panel of microsatellite markers studied may have been unsusceptible to lead genotoxicity in general. Third, the relatively short time interval (5 days) between the experimental procedure (lead exposure) and the sampling of post-exposure material (blood) for genetic analyses could have limited the effect of lead genotoxicity. Further analyzes are needed to verify these findings and to evaluate the scope of application of the MSI analysis in wild bird population studies.
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Affiliation(s)
- Marcin Markowski
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Adam Kaliński
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Jarosław Wawrzyniak
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Michał Glądalski
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Joanna Skwarska
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
| | - Jerzy Bańbura
- Department of Experimental Zoology and Evolutionary Biology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland
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Filippa VP, Tabares EL, Castro-Guijarro AC, Chediack JG, Cid FD. Evaluation of lead exposition length on the liver and intestinal histoarchitecture of eared dove (Zenaida auriculata). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:55989-56002. [PMID: 36913022 DOI: 10.1007/s11356-023-26373-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Lead (Pb) is a metal that can produces irreversible damage in living organisms. Some studies had reported that Pb produces histophysiological alterations in the digestive system (mainly liver) of birds; however, the effect of this metal on small intestine has not been fully examined. Additionally, little information is available on Pb disturbances in native birds of South America. The present study aimed to evaluate the effect of different Pb exposure times on blood δ-aminolevulinic acid dehydratase (δ-ALAD) activity and on the histological and morphometric characteristics of the digestive system (liver and proximal intestine) of eared doves (Zenaida auriculata). A decrease of the blood δ-ALAD activity, dilatation of blood vessels and leukocyte infiltrates in intestinal submucosa and muscular layers, and reduction of the enterocyte nuclear diameter and Lieberkühn crypts area were observed. In liver were noted steatosis, proliferation of bile ducts, dilated sinusoids, leukocyte infiltrates, and melanomacrophage centers. The portal tract area and the thickness of the portal vein wall were increased. In conclusion, the results showed that Pb produces histological and morphometric alterations on the liver and small intestine according to the exposure time, which should be considered when the dangerousness of environmental pollutants is evaluated in wild animals.
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Affiliation(s)
- Verónica P Filippa
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO-SL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, First Building, Second Floor, Box 2. Ejército de los Andes 1050. Post Code: D5700HHW, San Luis, Argentina
| | - Emilce L Tabares
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO-SL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, First Building, Second Floor, Box 2. Ejército de los Andes 1050. Post Code: D5700HHW, San Luis, Argentina
| | - Ana C Castro-Guijarro
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO-SL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
| | - Juan G Chediack
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO-SL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina
- Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, First Building, Second Floor, Box 2. Ejército de los Andes 1050. Post Code: D5700HHW, San Luis, Argentina
| | - Fabricio D Cid
- Laboratorio de Biología Integrativa, Instituto Multidisciplinario de Investigaciones Biológicas de San Luis (IMIBIO-SL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), San Luis, Argentina.
- Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, First Building, Second Floor, Box 2. Ejército de los Andes 1050. Post Code: D5700HHW, San Luis, Argentina.
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Hampton JO, Pain DJ, Buenz E, Firestone SM, Arnemo JM. Lead contamination in Australian game meat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:50713-50722. [PMID: 36797390 PMCID: PMC10104915 DOI: 10.1007/s11356-023-25949-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 02/10/2023] [Indexed: 04/16/2023]
Abstract
Lead-based ammunition (gunshot and bullets) frequently leaves small lead fragments embedded in the meat of wild-shot game animals. Australia produces several commercial game meat products from wild animals harvested with lead-based ammunition and has a growing population of recreational hunters. However, no studies have previously investigated the frequency of lead fragments or lead concentrations in Australian game meat. We examined 133 Australian minced game meat items of four types for evidence of lead contamination. Samples were meat from kangaroos (Macropus and Osphranter spp.; n=36) and Bennett's wallabies (Notamacropus rufogriseus; n=28) sold for human consumption, and deer ('venison'; multiple spp.; n=32) and stubble quail (Coturnix pectoralis; n=37) harvested for private consumption by recreational hunters. All packages were studied by digital radiography to detect the presence of radio-dense fragments, assumed to be lead fragments from ammunition. Visible fragments were absent in commercially available kangaroo products, but were present in 4%, 28% and 35% of wallaby, venison and quail, respectively. Mean meat lead concentrations (mg/kg wet weight) were 0.01 ± 0.01 for kangaroo, 0.02 ± 0.01 for wallaby, 0.12 ± 0.07 for venison, and 1.76 ± 3.76 for quail. The Australian food standards threshold for livestock meat (0.1 mg/kg w.w.) was not exceeded by any kangaroo or wallaby products but was exceeded by 53% and 86% of venison and quail, respectively. Radiography only detected 35% of samples that were above the food safety threshold. While average lead concentrations in commercially available macropod (kangaroo and wallaby) meat were low, those in recreationally harvested game meat may pose health risks for hunters and associated consumers.
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Affiliation(s)
- Jordan O Hampton
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia.
- Harry Butler Institute, Murdoch University, Murdoch, Western Australia, 6150, Australia.
| | - Deborah J Pain
- Department of Zoology, University of Cambridge, Cambridge, CB2 3QZ, UK
| | - Eric Buenz
- Nelson Marlborough Institute of Technology, Nelson, 7010, New Zealand
| | - Simon M Firestone
- Faculty of Science, University of Melbourne, Parkville, Victoria, 3052, Australia
| | - Jon M Arnemo
- Department of Forestry and Wildlife Management, Faculty of Applied Ecology and Agricultural Sciences, Inland Norway University of Applied Sciences, Koppang, Norway
- Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
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Durkalec MM, Nawrocka A, Kitowski I, Filipek A, Sell B, Kmiecik M, Jedziniak P. Lead, cadmium, and other trace elements in the liver of golden eagles and white-tailed eagles: recent data from Poland and a systematic review of previous studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:38566-38581. [PMID: 36585589 PMCID: PMC10039830 DOI: 10.1007/s11356-022-25024-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
The golden eagle (Aquila chrysaetos) and the white-tailed eagle (Haliaeetus albicilla), being apex predators and facultative scavengers, can bioaccumulate different environmental contaminants, including toxic elements that may adversely affect their health. We analyzed the levels of cadmium (Cd), lead (Pb), and other metals and metalloids, including arsenic (As), barium (Ba), beryllium (Be), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), molybdenum (Mo), selenium (Se), thorium (Th), thallium (Tl), uranium (U), vanadium (V), and zinc (Zn) in liver samples taken from three golden eagles and 36 white-tailed eagles that were found dead across Poland to verify their exposure. We also used a systematic review to summarize the available literature data on Cd, Pb, and other studied elements in the liver of both eagle species. Analyses of trace elements in the liver samples of the Polish eagles revealed interspecific differences in Cd, Cu, and Mn and differences in Co, Mn, Tl, and Zn among study regions. All elements tested except Pb were below the suggested thresholds linked with adverse health effects in birds. The hepatic Pb found in almost half of all the tested individuals suggests environmental exposure to this toxic element. One of the tested white-tailed eagles had hepatic Pb above the threshold of sublethal poisoning. Although our results seem optimistic, as previous Polish studies showed a higher prevalence of birds with hepatic Pb exceeding the toxicity threshold, they indicate that exposure to this toxic metal could still pose an additional threat to the health of Polish eagles.
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Affiliation(s)
- Maciej Marcin Durkalec
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland.
| | - Agnieszka Nawrocka
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland
| | - Ignacy Kitowski
- Department of Zoology and Animal Ecology, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland
| | - Aleksandra Filipek
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland
| | - Bartosz Sell
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland
| | - Mirosława Kmiecik
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland
| | - Piotr Jedziniak
- Department of Pharmacology and Toxicology, National Veterinary Research Institute, Aleja Partyzantów 57, 24-100, Puławy, Poland
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36
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Sonne C, Lam SS, Kanstrup N. The environmental threats from lead ammunition. ECO-ENVIRONMENT & HEALTH 2023; 2:16-17. [PMID: 38074451 PMCID: PMC10702884 DOI: 10.1016/j.eehl.2023.02.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/31/2023] [Accepted: 02/06/2023] [Indexed: 05/27/2024]
Abstract
Image 1.
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Affiliation(s)
- Christian Sonne
- Aarhus University, Faculty of Technological Sciences, Department of Ecoscience, DK-4000 Roskilde, Denmark
- Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India
| | - Su Shiung Lam
- Higher Institution Centre of Excellence (HICoE), Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
- University Centre for Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab, India
| | - Niels Kanstrup
- Department of Ecoscience, Aarhus University, C.F. Møllers Allé 8, 8000 Aarhus C, Denmark
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van den Heever L, Elburg MA, Iaccheri L, Naidoo V, Ueckermann H, Bybee G, Smit-Robinson HA, Whitecross MA, McKechnie AE. Identifying the origin of lead poisoning in white-backed vulture (Gyps africanus) chicks at an important South African breeding colony: a stable lead isotope approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:15059-15069. [PMID: 36166116 DOI: 10.1007/s11356-022-23209-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Elevated lead levels in scavenging raptors can originate from a variety of environmental and anthropogenic sources, including soil, water, mining activities and legacy lead from leaded fuel, but has mostly been attributed to fragments of lead-based ammunition embedded in the tissues of carcasses. To identify the origins of lead in the tissues of white-backed vulture (Gyps africanus) chicks at Dronfield Nature Reserve, South Africa, we used MC-ICP-MS to compare the isotopic composition of lead in blood samples to those of soil in the chicks' immediate environment, different mining activities in South Africa and lead ammunition commonly used in hunting and game management practices. The isotopic ratios in vulture blood samples ranged widely (207Pb/206Pb: 0.827-0.911), but fell within those measured for ammunition (0.761-0.938). Dronfield water can be excluded as a significant source, as the lead concentration for water was below detection limits. Uranium, coal, atmospheric Pb, legacy Pb from fuel and Pb mining can also be excluded as significant sources, based on the limited overlap with Pb isotopic ratios measured in vulture blood. Whereas 55% of chicks we sampled displayed isotopic ratios consistent with Dronfield soil, the low local Pb concentration and the low extractable Pb levels in South African soil in general, imply that soil Pb is unlikely the major source of Pb in WBV chicks, especially in birds with elevated blood Pb levels, i.e. > 20 µg/dL. Our results, when considered in the context of vulture feeding ecology and low Pb levels in non-scavenging birds in South Africa, imply the major source of elevated Pb levels in WBV chicks to be fragments of lead-based ammunition embedded in the carrion fed to them by their parents.
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Affiliation(s)
- Linda van den Heever
- Conservation Division, BirdLife South Africa, Johannesburg, South Africa.
- Department of Zoology and Entomology, DSI-NRF Centre of Excellence at the FitzPatrick Institute, University of Pretoria, Pretoria, South Africa.
| | - Marlina A Elburg
- Department of Geology, University of Johannesburg, Auckland Park, South Africa
| | - Linda Iaccheri
- Wits Isotope Geosciences Laboratory, School of Geosciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Vinny Naidoo
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Pretoria, South Africa
| | | | - Grant Bybee
- School of Geosciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Hanneline A Smit-Robinson
- Conservation Division, BirdLife South Africa, Johannesburg, South Africa
- Applied Behavioural Ecological & Ecosystem Research Unit (ABEERU), UNISA, Florida, South Africa
| | - Melissa A Whitecross
- Conservation Division, BirdLife South Africa, Johannesburg, South Africa
- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Andrew E McKechnie
- Department of Zoology and Entomology, DSI-NRF Centre of Excellence at the FitzPatrick Institute, University of Pretoria, Pretoria, South Africa
- South African Research Chair in Conservation Physiology, South African National Biodiversity Institute, Pretoria, South Africa
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Potysz A, Binkowski ŁJ, Kierczak J, Rattner BA. Drivers of Pb, Sb and As release from spent gunshot in wetlands: Enhancement by organic matter and native microorganisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159121. [PMID: 36183763 DOI: 10.1016/j.scitotenv.2022.159121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 09/02/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
In many countries the use of lead-based ammunition is prevalent, and results in exposure and poisoning of waterfowl and other species of birds. In waterfowl hunting areas large quantities of spent shot may be deposited in wetland and terrestrial habitats. These pellets can undergo transformations, which are influenced by various abiotic and biotic factors. In addition to lead (Pb), other elements like antimony (Sb) and arsenic (As) can be leached from Pb shot into the environment. In vitro simulations that included organic matter and microorganisms were utilized to examine elemental leaching from gunshot. We found that leaching efficiency was the greatest in solutions rich in organic matter derived from artificial root exudates (2.69 % for Pb, 1.16 % for Sb, 1.83 % for As), while leaching efficiency was considerably lower in river water (0.04 %). In vitro simulations containing native microorganisms also exhibited greater leaching efficiency (0.49 % for Pb, 0.52 % for Sb, 1.32 % for As) than in ultrapure deionized water and river water. Surface alterations in gunshot included the formation of a weathering crust and secondary phases dominated by carbonates. Spent gunshot is a source of Pb, Sb and As in wetlands that could affect aquatic ecosystems.
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Affiliation(s)
- Anna Potysz
- University of Wrocław, Institute of Geological Sciences, Pl. M. Borna 9, 50-204 Wrocław, Poland
| | - Łukasz J Binkowski
- Pedagogical University of Krakow, Institute of Biology, Podchorążych 2, 30-084 Kraków, Poland.
| | - Jakub Kierczak
- University of Wrocław, Institute of Geological Sciences, Pl. M. Borna 9, 50-204 Wrocław, Poland
| | - Barnett A Rattner
- U.S. Geological Survey, Eastern Ecological Science Center, Beltsville, MD, USA
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Gupta A, Kumar V, Mittal S, Sharma RK. Design, Synthesis and Application of Chemically Modified Amberlite XAD‐2 for Separation and Preconcentration of Pb(II). ChemistrySelect 2023. [DOI: 10.1002/slct.202202966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Ashu Gupta
- Department of Chemistry Shyam Lal College University of Delhi Dwarkapuri, Shahdara Delhi 110032 India
| | - Vinod Kumar
- Department of Chemistry Deen Dayal Upadhyaya College University of Delhi, Sector 3, Dwarka New Delhi 110078 India E-mail: (VK) E-mail: (SM
| | - Sachin Mittal
- Department of Chemistry Deen Dayal Upadhyaya College University of Delhi, Sector 3, Dwarka New Delhi 110078 India E-mail: (VK) E-mail: (SM
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Brown L, Rosabal M, Dussault C, Arnemo JM, Fuchs B, Zedrosser A, Pelletier F. Lead exposure in American black bears increases with age and big game harvest density. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 315:120427. [PMID: 36243189 DOI: 10.1016/j.envpol.2022.120427] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/19/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Hunting has multiple consequences for wildlife, and it can be an important source of environmental pollution. Most big game hunters use lead (Pb) ammunition that shed metal fragments in the tissues of harvested animals. These Pb fragments become available to scavengers when hunters discard contaminated slaughter remains in the environment. This exposure route has been extensively studied in avian scavengers, but few studies have investigated Pb exposure from ammunition in mammals. Mammalian scavengers, including American black bears (Ursus americanus), frequently use slaughter remains discarded by hunters. The objective of this study was to investigate whether big game harvest density influenced long-term Pb exposure in American black bears from Quebec, Canada. Our results showed that female black bears had higher tooth Pb concentrations in areas with higher big game harvest densities, but such relationship was not evident in males. We also showed that older bears had higher tooth Pb concentrations compared to younger ones. Overall, our study showed that Pb exposure increases with age in black bears and that some of that Pb likely comes from bullet fragments embedded in slaughter remains discarded by hunters. These results suggest that hunters may drive mammalian scavengers into an evolutionary trap, whereby the long-term benefits of consuming slaughter remains could be negated due to increased Pb exposure.
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Affiliation(s)
- Ludovick Brown
- Département de Biologie, Université de Sherbrooke, 2500 boulevard de l'Université, Sherbrooke, QC, J1K 2R1, Canada.
| | - Maikel Rosabal
- Groupe de Recherche Interuniversitaire en Limnologie (GRIL), Département des Sciences biologiques, Université du Québec à Montréal, P.O. Box 8888, Succursale Centre-ville, Montréal, QC, H3C 3P8, Canada
| | - Christian Dussault
- Direction de l'expertise sur la Faune Terrestre, l'herpétofaune et l'avifaune, Ministère des Forêts, de la Faune et des Parcs, 880 Chemin Sainte-Foy, Québec, QC, G1S 4X4, Canada
| | - Jon M Arnemo
- Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Campus Evenstad, 2418, Elverum, Norway; Department of Wildlife, Fish and Environmental Studies, Swedish University of Agricultural Sciences, 901 83, Umeå, Sweden
| | - Boris Fuchs
- Department of Forestry and Wildlife Management, Inland Norway University of Applied Sciences, Campus Evenstad, 2418, Elverum, Norway
| | - Andreas Zedrosser
- Department of Natural Sciences and Environmental Health, University of South-Eastern Norway, 3800, Bø, Telemark, Norway; Institute for Wildlife Biology and Game Management, University for Natural Resources and Life Sciences, 1180, Vienna, Austria
| | - Fanie Pelletier
- Département de Biologie, Université de Sherbrooke, 2500 boulevard de l'Université, Sherbrooke, QC, J1K 2R1, Canada
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Badenes‐Pérez FR. The impacts of free‐roaming cats cannot be generalized and their role in rodent management should not be overlooked. CONSERVATION SCIENCE AND PRACTICE 2022. [DOI: 10.1111/csp2.12861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Samaraweera M, Chandrajith R, Jayasena N. Birds of different feeding habits as biomonitors for trace elements in a wetland of the Central Asian Flyway, Sri Lanka. CHEMOSPHERE 2022; 306:135602. [PMID: 35809749 DOI: 10.1016/j.chemosphere.2022.135602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/30/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
Monitoring the environmental exposure of wildlife to toxic trace elements is important for conservation. Sri Lanka does not have a biomonitoring programme for exposure of wildlife to pollutants. We measured levels of Hg, Pb, Cd, As, and Se in feathers of resident and migratory birds with different food habits in a wetland ecosystem of Sri Lanka, which is located at the southern-most point of the Central Asian Flyway. Diet and migratory status significantly affected concentrations of Hg, Pb, and As. Migrant invertivores showed the highest concentration of Hg and As. The highest concentration of Pb was in resident frugivores. Diet was the only significant explanatory variable for Cd, with frugivores recording the highest concentrations. Migratory status was the only factor significantly affecting feather Se, with migrant birds recording higher levels of Se; however, migratory status did not affect the Se: Hg ratio. The mean Se: Hg ratio was significantly affected by diet, but was >1 in birds of all food habits. Some birds in our study had concentrations of Hg, Pb, and Cd at higher levels than thresholds for adverse effects. High levels of these elements were recorded in both resident and migratory birds of differing food habits. Our study highlights the necessity of including biomonitors from diverse habitats and foraging guilds. This study establishes the baseline information for exposure of wildlife to several toxic trace elements necessary to establish a long-term biomonitoring programme important for the conservation of birds both in a national and global context.
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Affiliation(s)
- Mano Samaraweera
- Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Rohana Chandrajith
- Department of Geology, Faculty of Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka
| | - Nilmini Jayasena
- Department of Basic Veterinary Sciences, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Peradeniya, 20400, Sri Lanka.
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Profile of Selected Mineral Elements in Tibiotarsal Bone of the White-Tailed Sea Eagle in Its Natural Habitat. Animals (Basel) 2022; 12:ani12202744. [PMID: 36290130 PMCID: PMC9597705 DOI: 10.3390/ani12202744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/05/2022] [Accepted: 10/11/2022] [Indexed: 12/03/2022] Open
Abstract
Mineral bone composition (dry matter, bones ash, P, Ca, Zn, Mn, Mg, and Cu) and Pb levels of tibiotarsi of seven White-Tailed Sea Eagles were assessed. Lead intoxication in different bird species including waterfowl and raptors is being studied worldwide. The bones were analyzed for Pb by mass spectrometry with excitation in inductively coupled plasma (ICP-MS Elan DRC II) and for bone composition by Atomic Emission Spectrometer (Agilent 4100 Microwave Plasma). Pb levels ranging from 3.54 µg/g to 74.6 µg/g DM suggest that some of the investigated birds might have been intoxicated by Pb. Results of this analysis were divided into two groups of bones, with bone Pb levels higher and lower than Pb toxicity levels, and mineral bone compositions of both groups were compared. The present study shows the differentiation of bone mineral composition among seven examined White-Tailed Sea Eagles, considered a specific species in raptors. Pb intoxication may not have a major influence on mineral bone composition in raptors. It also suggests that assessing bone composition of raptor bones may help finding the possible cause of their deaths.
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Zheng Y, Zhang Q, Jing L, Fei Y, Zhao H. The Effects of Chronic Lead Exposure on Testicular Development of Japanese Quail (Coturnix japonica): Histopathological Damages, Oxidative Stress, Steroidogenesis Disturbance, and Hypothalamus-Pituitary-Testis Axis Disruption. Biol Trace Elem Res 2022; 201:3446-3460. [PMID: 36210404 DOI: 10.1007/s12011-022-03436-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/27/2022] [Indexed: 11/25/2022]
Abstract
Lead (Pb) becomes a global public health concern for its high toxicology. Birds are sensitive to environmental pollution and Pb contamination exerts multiple negative influences on bird life. Pb also impacts on avian reproductive system. Thus, in this study, we attempted to determine toxicological effects and possible mechanistic pathways of Pb on avian testicular development by using the model species-Japanese quail (Coturnix japonica). Male quail chicks of 1-week-old were exposed to 0, 50, 500, and 1000 ppm Pb concentrations in drinking water for 5 weeks when reaching sexual maturation. The results showed that high Pb doses (500 and 1000 ppm) induced testis atrophy and cloacal gland shrinkage. Microstructural damages of both hypothalamus and testis indicated the disruption of the hypothalamus-pituitary-gonadal (HPG) axis by Pb exposure. The decrease of gonadotropin-releasing hormone (GnRH), luteinizing hormone (LH) and follicle-stimulating hormone (FSH) and testosterone (T) may also imply HPG axis disruption. Moreover, excess testicular oxidative damages featured by increasing reactive oxygen species (ROS) and malondialdehyde (MDA) and decreasing catalase (CAT), glutathione (GSH), superoxide dismutase (SOD), glutathione-S-transferase (GST), and total antioxidant capacity (T-AOC) indicated increasing risks of reproductive dysfunction by Pb. Furthermore, increasing apoptosis and upregulation of gene expression associated with cell death suggested testicular abnormal development. In addition, molecular signaling involved with steroidogenesis in the testis was disturbed by Pb treatment. The study showed that Pb could impair testicular development and reproductive function by morphological and histological injury, hormone suppression, oxidative stress, cell death, and HPG axis disruption.
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Affiliation(s)
- Ying Zheng
- College of Life Sciences, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, People's Republic of China
| | - Qingyu Zhang
- College of Life Sciences, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, People's Republic of China
| | - Lingyang Jing
- College of Life Sciences, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, People's Republic of China
| | - Yifan Fei
- College of Life Sciences, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, People's Republic of China
| | - Hongfeng Zhao
- College of Life Sciences, Shaanxi Normal University, No. 620, West Chang'an Avenue, Chang'an District, Xi'an, Shaanxi, 710119, People's Republic of China.
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Yazdanparast T, Strezov V, Wieland P, Lai YJ, Jacob DE, Taylor MP. Lead poisoning of backyard chickens: Implications for urban gardening and food production. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 310:119798. [PMID: 35863713 DOI: 10.1016/j.envpol.2022.119798] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Increased interest in backyard food production has drawn attention to the risks associated with urban trace element contamination, in particular lead (Pb) that was used in abundance in Pb-based paints and gasoline. Here we examine the sources, pathways and risks associated with environmental Pb in urban gardens, domestic chickens and their eggs. A suite of other trace element concentrations (including As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, Zn) are reported from the sampled matrices. Sixty-nine domestic chickens from 55 Sydney urban gardens were sampled along with potential sources (feed, soil, water), blood Pb concentrations and corresponding concentrations in eggs. Age of the sampled chickens and house age was also collected. Commercial eggs (n = 9) from free range farms were analysed for comparative purposes. Study outcomes were modelled using the large Australian VegeSafe garden soil database (>20,000 samples) to predict which areas of inner-city Sydney, Melbourne and Brisbane are likely to have soil Pb concentrations unsuitable for keeping backyard chickens. Soil Pb concentrations was a strong predictor of chicken blood and egg Pb (p=<0.00001). Almost 1 in 2 (n = 31/69) chickens had blood Pb levels >20 μg/dL, the level at which adverse effects may be observed. Older homes were correlated with higher chicken blood Pb (p = 0.00002) and egg Pb (p = 0.005), and younger chickens (<12 months old) had greater Pb concentrations, likely due to increased Pb uptake during early life development. Two key findings arose from the study data: (i) in order to retain chicken blood Pb below 20 μg/dL, soil Pb needs to be < 166 mg/kg; (ii) to retain egg Pb < 100 μg/kg (i.e. a food safety benchmark value), soil Pb needs to be < 117 mg/kg. These concentrations are significantly lower than the soil Pb guideline of 300 mg/kg for residential gardens. This research supports the conclusion that a large number of inner-city homes may not be suitable for keeping chickens and that further work regarding production and consumption of domestic food is warranted.
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Affiliation(s)
- Tahereh Yazdanparast
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Vladimir Strezov
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Peter Wieland
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Yi-Jen Lai
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Dorrit E Jacob
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia; Research School of Earth Sciences, Australian National University, Canberra, 2600, Australia
| | - Mark Patrick Taylor
- School of Natural Sciences, Faculty of Science & Engineering, Macquarie University, Sydney, NSW, 2109, Australia; Environment Protection Authority Victoria, EPA Science, Centre for Applied Sciences, Ernest Jones Drive, Macleod, Melbourne, Victoria, 3085, Australia.
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46
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Pain D, Green R, Bates N, Allen C. Ingestion of lead ammunition by companion animals. Vet Rec 2022; 191:345-346. [DOI: 10.1002/vetr.2369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- Deborah Pain
- Conservation Science Group, Department of Zoology University of Cambridge Cambridge CB2 3EJ
| | - Rhys Green
- Conservation Science Group, Department of Zoology University of Cambridge Cambridge CB2 3EJ
| | - Nicola Bates
- Veterinary Poisons Information Service, 2nd Floor Godfree Court, 29–35 Long Lane London SE1 4PL
| | - Caroline Allen
- RSPCA, Wilberforce Way, Southwater, Horsham West Sussex RH13 9RS
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Reporting of Freshwater Cyanobacterial Poisoning in Terrestrial Wildlife: A Systematic Map. Animals (Basel) 2022; 12:ani12182423. [PMID: 36139281 PMCID: PMC9494982 DOI: 10.3390/ani12182423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/26/2022] [Accepted: 09/12/2022] [Indexed: 12/24/2022] Open
Abstract
Simple Summary Harmful cyanobacterial blooms (cyanoHABs) have been reported globally, threatening human and animal health. They are encouraged by the warming climate and agricultural pollution creating nutrient-rich, warm environments, ideal for cyanobacterial proliferation. The cyanotoxins produced by these blooms have caused poisonings in many wildlife species; however, these cases are severely underreported, and many are likely missed. The aim of this systematic map was to collate, organise, and characterise all existing reports of cyanotoxin poisonings in terrestrial wildlife. We conducted a search of the published literature using online databases, yielding a total of 45 cases detailing incidents involving terrestrial wildlife. There is no current standard method for the reporting and diagnosis of cyanotoxin intoxication cases, and we provide recommendations on this to include both clinical diagnostic tools and investigative chemistry techniques. Less than half of all cases employed robust methods of detection and diagnosis based on our recommendations. Most cases were investigated after poisonings had already occurred, and only nine reports mentioned any effort to mitigate the effects of harmful cyanobacteria on terrestrial wildlife. This systematic map details terrestrial wildlife cyanotoxin intoxications from a diagnostic perspective, identifying how reporting can be improved, leading to more successful mitigation and investigative efforts in the future. Abstract Global warming and over-enrichment of freshwater systems have led to an increase in harmful cyanobacterial blooms (cyanoHABs), affecting human and animal health. The aim of this systematic map was to detail the current literature surrounding cyanotoxin poisonings in terrestrial wildlife and identify possible improvements to reports of morbidity and mortality from cyanotoxins. A systematic search was conducted using the electronic databases Scopus and Web of Science, yielding 5059 published studies identifying 45 separate case reports of wildlife poisonings from North America, Africa, Europe, and Asia. Currently, no gold standard for the diagnosis of cyanotoxin intoxication exists for wildlife, and we present suggested guidelines here. These involved immunoassays and analytical chemistry techniques to identify the toxin involved, PCR to identify the cyanobacterial species involved, and evidence of ingestion or exposure to cyanotoxins in the animals affected. Of the 45 cases, our recommended methods concurred with 48.9% of cases. Most often, cases were investigated after a mortality event had already occurred, and where mitigation was implemented, only three cases were successful in their efforts. Notably, only one case of invasive cyanobacteria was recorded in this review despite invasive species being known to occur throughout the globe; this could explain the underreporting of invasive cyanobacteria. This systematic map highlights the perceived absence of robust detection, surveillance, and diagnosis of cyanotoxin poisoning in wildlife. It may be true that wildlife is less susceptible to these poisoning events; however, the true rates of poisoning are likely much more than is reported in the literature.
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Sonne C, Adams DH, Alstrup AKO, Lam SS, Dietz R, Kanstrup N. Denmark passes total ban of leaded ammunition. Science 2022; 377:1054-1055. [PMID: 36048932 DOI: 10.1126/science.ade3150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Christian Sonne
- Department of Ecoscience, Aarhus University, Denmark.,Sustainability Cluster, School of Engineering, University of Petroleum & Energy Studies, Dehradun, Uttarakhand 248007, India
| | | | | | - Su Shiung Lam
- University Malaysia Terengganu, Terengganu, Malaysia
| | - Rune Dietz
- Department of Ecoscience, Aarhus University, Denmark
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Sato H, Ishii C, Nakayama SMM, Ichise T, Saito K, Watanabe Y, Ogasawara K, Torimoto R, Kobayashi A, Kimura T, Nakamura Y, Yamagishi J, Ikenaka Y, Ishizuka M. Behavior and toxic effects of Pb in a waterfowl model with oral exposure to Pb shots: Investigating Pb exposure in wild birds. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119580. [PMID: 35680064 DOI: 10.1016/j.envpol.2022.119580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/29/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Among wild birds, lead (Pb) exposure caused by ingestion of ammunition is a worldwide problem. We aimed to reveal the behavior and toxic effect of Pb caused by ingesting Pb shots in waterfowl. Four male, eight-week old Muscovy ducks (Cairina moschata) were given three Pb shots (approximately 240 mg in total) orally and then fed for 29 days after exposure, simulating a low-dose Pb exposure in wild waterfowl. During the breeding period, blood samples were collected 10 times, and fecal samples every day. Additionally, 22 fresh tissue and 6 bone samples were obtained from each duck through the dissection. Although there were no gross abnormalities, the maximum blood Pb concentration of each duck ranged from 0.6 to 3.7 mg/L, reaching a threshold concentration indicative of clinical symptoms (>0.5 mg/L). δ-aminolevulinic acid dehydratase declined one day after exposure and remained low throughout the feeding period. Hematocrit also tended to decrease, indicating signs of anemia. The highest Pb accumulation was observed in the bones, followed by the kidneys, intestinal tracts, and liver. High Pb accumulation in the bones, which are known to have a long Pb half-life, suggested that Pb would remain in the body and possibly affect bird health beyond 28 days after exposure. Gene expression analysis showed a significant increase in the expression of the toll-like receptor-3 gene, which is involved in virus discrimination in the liver, suggesting a disruption of the immune system. Microbiota analyses showed a correlation between the blood Pb concentration and the abundances of Lachnospiraceae and Ruminococcaceae, suggesting that Pb affects lipid metabolism. These results provide fundamental data on Pb exposure in wild birds and a new perspective on the damage such exposure causes.
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Affiliation(s)
- Hiroshi Sato
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Chihiro Ishii
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Shouta M M Nakayama
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Takahiro Ichise
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Keisuke Saito
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Yukiko Watanabe
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Kohei Ogasawara
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Ryota Torimoto
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Atsushi Kobayashi
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Takashi Kimura
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Yukiko Nakamura
- Division of Collaboration and Education, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan
| | - Junya Yamagishi
- Division of Collaboration and Education, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan; International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan
| | - Yoshinori Ikenaka
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan; Water Research Group, School of Environmental Sciences and Development, North-West University, South Africa; Translational Research Unit, Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, 060-0818, Japan; One Health Research Center, Hokkaido University, Japan
| | - Mayumi Ishizuka
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan.
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50
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Lemaire J, Brischoux F, Marquis O, Mangione R, Caut S, Brault-Favrou M, Churlaud C, Bustamante P. Relationships between stable isotopes and trace element concentrations in the crocodilian community of French Guiana. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 837:155846. [PMID: 35561901 DOI: 10.1016/j.scitotenv.2022.155846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 04/26/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Trace elements in the blood of crocodilians and the factors that influence their concentrations are overall poorly documented. However, determination of influencing factors is crucial to assess the relevance of caimans as bioindicators of environmental contamination, and potential toxicological impact of trace elements on these reptiles. In the present study, we determined the concentrations of 14 trace elements (Ag, As, Cd, Cr, Co, Cu, Fe, Hg, Pb, Mn, Ni, Se, V, and Zn) in the blood of four French Guiana caiman species (the Spectacled Caiman Caiman crocodilus [n = 34], the Black Caiman Melanosuchus niger [n = 25], the Dwarf Caiman Paleosuchus palpebrosus [n = 5] and the Smooth-fronted Caiman Paleosuchus trigonatus [n = 20]) from 8 different sites, and further investigated the influence of individual body size and stable isotopes as proxies of foraging habitat and trophic position on trace element concentrations. Trophic position was identified to be an important factor influencing trace element concentrations in the four caiman species and explained interspecific variations. These findings highlight the need to consider trophic ecology when crocodilians are used as bioindicators of trace element contamination in environmental studies.
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Affiliation(s)
- Jérémy Lemaire
- Centre d'Études Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 79360 Villiers en Bois, France; Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France.
| | - François Brischoux
- Centre d'Études Biologiques de Chizé (CEBC), UMR 7372 CNRS-La Rochelle Université, 79360 Villiers en Bois, France
| | - Oliver Marquis
- Muséum national d'Histoire naturelle, Parc Zoologique de Paris, 53 avenue de Saint Maurice, 75012 Paris, France
| | - Rosanna Mangione
- Division of Behavioural Ecology, Institute of Ecology and Evolution, University of Bern, Wohlenstrasse 50a, CH-3032 Hinterkappelen, Switzerland
| | - Stéphane Caut
- Consejo Superior de Investigaciones Cientificas (CSIC), Departamento de Etologia y Conservation de La Biodiversidad - Estacion Biologica de Doñana - C/Americo Vespucio, S/n (Isla de La Cartuja), E-41092 Sevilla, Spain; ANIMAVEG Conservation, 58 Avenue Du Président Salvador Allende, F-94800 Villejuif, France
| | - Maud Brault-Favrou
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Carine Churlaud
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes, 75005 Paris, France
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