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Veríssimo SN, Paiva VH, Cunha SC, Cerveira LR, Fernandes JO, Pereira JM, Ramos JA, Dos Santos I, Norte AC. Physiology and fertility of two gull species in relation to plastic additives' exposure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 949:175128. [PMID: 39084383 DOI: 10.1016/j.scitotenv.2024.175128] [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: 12/12/2023] [Revised: 07/27/2024] [Accepted: 07/27/2024] [Indexed: 08/02/2024]
Abstract
Understanding the impact of plastic and its additives on wild species is crucial as their presence in the environment increases. Polybrominated diphenyl ethers (PBDEs), once used as flame retardants, were restricted due to known toxic effects, but are still detected in the environment. Naturally occurring methoxylated PBDEs (MeO-BDEs) can result from PBDE transformation and may cause similar hazardous effects. Yellow-legged gulls (Larus michahellis, YLG) and Audouin's gulls (Ichthyaetus audouinii, AG) are highly susceptible to plastic additives, due to their distribution, trophic position, and behaviour. In this study, we assessed PBDEs and MeO-BDEs uptake in different tissues and their effects on physiological and reproductive parameters. Findings indicate that, apart from annual differences, adult AG accumulated more MeO-BDEs than YLG in a natural breeding habitat (Deserta), while the latter had lower PBDE levels than YLG breeding in the city of Porto. In relation to chicks, only YLG from Deserta showed higher PBDE concentrations than AG chicks. Individual analysis of each physiological parameter revealed impacts only for adult YLG from Deserta, with neurofunction and immune system inhibition at higher MeO-BDE concentrations. For chicks, AG showed impaired neurofunction, while YLG chicks from Porto exhibited potential genotoxicity effects triggered by higher MeO-BDE levels. Overall health analysis showed activation of antioxidant defences and compromised immune system in YLG adults from Porto due to high values of PBDEs, while chicks from Deserta exhibited inflammation and oxidative stress with high concentrations of MeO-BDEs in the same species. Fertility parameters showed significant differences for sperm counts though suggesting individuals may be able to compensate any exposure effects. This study confirms the widespread presence of plastic-associated compounds and their harmful effects on gulls, particularly on neurofunction, immune system, oxidative balance and fertility, especially due to the presence of MeO-BDEs.
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Affiliation(s)
- S N Veríssimo
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal.
| | - V H Paiva
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - S C Cunha
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - L R Cerveira
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - J O Fernandes
- LAQV-REQUIMTE, Laboratory of Bromatology and Hydrology, Faculty of Pharmacy, University of Porto, Rua Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - J M Pereira
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - J A Ramos
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - I Dos Santos
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; Littoral Environnement et Sociétés (LIENSs), La Rochelle University - CNRS, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - A C Norte
- University of Coimbra, MARE - Marine and Environmental Sciences Centre/ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Dos Santos I, Paiva VH, Norte AC, Churlaud C, Ceia FR, Pais de Faria J, Pereira JM, Cerveira LR, Laranjeiro MI, Veríssimo SN, Ramos JA, Bustamante P. Assessing the impacts of trace element contamination on the physiology and health of seabirds breeding along the western and southern coasts of Portugal. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 358:124528. [PMID: 38992829 DOI: 10.1016/j.envpol.2024.124528] [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: 03/21/2024] [Revised: 06/08/2024] [Accepted: 07/09/2024] [Indexed: 07/13/2024]
Abstract
Coastal seabirds serve as sentinels of ecosystem health due to their vulnerability to contamination from human activities. However, our understanding on how contaminant burdens affect the physiological and health condition of seabirds is still scarce, raising the uncertainty on the species' vulnerability vs tolerance to environmental contamination. Here, we quantified 15 Trace Elements (TE) in the blood of gull (yellow-legged gull Larus michahellis and Audouin's gull Ichthyaetus audouinii) and shearwater (Cory's shearwater Calonectris borealis) adults, breeding in five colonies along the Portuguese coastline. Additionally, stable isotopes of carbon (δ13C) and nitrogen (δ15N) were quantified to elucidate foraging habitat and trophic ecology of adults, to identify potential patterns of TE contamination among colonies. We used immuno-haematological parameters as response variables to assess the influence of TE concentrations, stable isotope values, and breeding colony on adults' physiological and health condition. Remarkably, we found blood mercury (Hg) and lead (Pb) concentrations to exceed reported toxicity thresholds in 25% and 13% of individuals, respectively, raising ecotoxicological concerns for these populations. The breeding colony was the primary factor explaining variation in five out of six models, underlining the influence of inherent species needs on immuno-haematological parameters. Model selection indicated a negative relationship between erythrocyte sedimentation rate and both Hg and selenium (Se) concentrations, but a positive relationship with δ13C. The number of immature erythrocyte counts was positively related to Hg and Se, particularly in yellow-legged gulls from one colony, highlighting the colony-site context's influence on haematological parameters. Further research is needed to determine whether essential TE concentrations, particularly copper (Cu) and Se, are falling outside the normal range for seabirds or meet species-specific requirements. Continuous monitoring of non-essential TE concentrations like aluminium (Al), Hg, and Pb, is crucial due to their potential hazardous concentrations, as observed in our study colonies.
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Affiliation(s)
- Ivo Dos Santos
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France.
| | - Vitor H Paiva
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Ana C Norte
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Carine Churlaud
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Filipe R Ceia
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Joana Pais de Faria
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Jorge M Pereira
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Lara R Cerveira
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Maria I Laranjeiro
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; MARE - Marine and Environmental Sciences Centre & ARNET - Aquatic Research Network, ESTM, Politécnico de Leiria, 2520-641 Peniche, Portugal; Institut de Ciències del Mar (ICM), CSIC, Passeig Maritim de la Barceloneta 37-49, 08003 Barcelona, Spain
| | - Sara N Veríssimo
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Jaime A Ramos
- University of Coimbra, MARE - Marine and Environmental Sciences Centre / ARNET - Aquatic Research Network, Department of Life Sciences ,Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle Université, 2 rue Olympe de Gouges, 17000 La Rochelle, France
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Vilaplana AF, Afán I, Oro D, Bécares J, Illa M, Gil M, Bertolero A, Forero MG, Ramírez F. Distribution and habitat use by the Audouin's Gull (Ichthyaetus audouinii) in anthropized environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176555. [PMID: 39349198 DOI: 10.1016/j.scitotenv.2024.176555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 09/24/2024] [Accepted: 09/25/2024] [Indexed: 10/02/2024]
Abstract
Human activities provide wildlife with highly abundant and predictable food subsidies, which can affect population dynamics and have wide-ranging ecological impacts. A key ecological question is how species adapt their foraging behaviour to capitalize on these new feeding opportunities. We investigate habitat use by Audouin's Gulls (Ichthyaetus audouinii) off the Western Mediterranean Sea, an opportunistic seabird that has recently expanded to diverse breeding colonies subjected to varying degrees of human influence. By combining GPS tracking, remote sensing, and GIS, we assessed the resource selection and habitat preferences of gulls from five colonies across their breeding latitudinal range, including interactions with industrial fisheries. Overall, the use of terrestrial habitats was slightly higher (57 % of total positions) compared to the marine environment (42 %), with individuals preferentially feeding on urban and related areas or fishing ports. However, habitat utilization varied among studied colonies, likely in response to contrasting food availability and accessibility of human related food resources on land (e.g., agriculture and livestock areas, landfills or rice fields). At sea, individuals largely distributed over highly productive and persistent marine areas with intense fishing pressure. Individuals also adapted their daily activity patterns to match food availability: gulls preferentially feed on the marine environment during the night, while the use of terrestrial habitats increases during daylight hours. Individuals' daily activity patterns also matched that for the two main fishing gears operating in the area: diurnal trawlers and nocturnal purse-seiners. Our findings offer perspectives on the reliance of opportunistic seabird species on anthropogenic food subsidies and inform on potential implications for the conservation and management of these under changes in fishing policies (EU discard ban). Broadly, we provide further insights on how this species can adapt to changing environments.
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Affiliation(s)
- Aleix Ferrer Vilaplana
- Theoretical and Computational Ecology Group, Centre d'Estudis Avançats de Blanes (CEAB-CSIC), Acces Cala Sant Francesc 14, 17300 Blanes, Spain.
| | - Isabel Afán
- Laboratorio de SIG y Teledetección (LAST-EBD), Estación Biológica de Doñana (EBD-CSIC), Avda. Américo Vespucio, 26, 41092 Sevilla, Spain
| | - Daniel Oro
- Theoretical and Computational Ecology Group, Centre d'Estudis Avançats de Blanes (CEAB-CSIC), Acces Cala Sant Francesc 14, 17300 Blanes, Spain
| | - Juan Bécares
- CORY'S - Investigación y Conservación de la Biodiversidad, Calle Maladeta, 22, 08016 Barcelona, Spain
| | - Marc Illa
- CORY'S - Investigación y Conservación de la Biodiversidad, Calle Maladeta, 22, 08016 Barcelona, Spain
| | - Marcel Gil
- CORY'S - Investigación y Conservación de la Biodiversidad, Calle Maladeta, 22, 08016 Barcelona, Spain
| | - Albert Bertolero
- Associació Ornitològica Picampall de les Terres de l'Ebre, Amposta, Spain
| | - Manuela G Forero
- Departamento de Biología de la Conservación y Cambio Global, Estación Biológica de Doñana, Consejo Superior de Investigaciones Científicas (EBD-CSIC), Sevilla, Spain
| | - Francisco Ramírez
- Departament de Recursos Marine Renovables, Institut de Ciències del Mar (ICM-CSIC), Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain
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Nos D, Montalvo T, Cortés-Francisco N, Figuerola J, Aymí R, Giménez J, Solé M, Navarro J. Sources of persistent organic pollutants and their physiological effects on opportunistic urban gulls. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133129. [PMID: 38056272 DOI: 10.1016/j.jhazmat.2023.133129] [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: 09/13/2023] [Revised: 11/14/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023]
Abstract
Urbanization is associated with drastic shifts in biodiversity. While some species thrive in urban areas, the impact of inhabiting these human-altered environments on organism physiology remains understudied. We investigated how exposure to polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) affects the physiology of yellow-legged gulls (Larus michahellis) inhabiting a densely populated, industrialized city. We analyzed blood samples from 50 gulls (20 immatures and 30 adults) and assessed 27 physiological parameters and biomarkers related to xenobiotic protection, health, and feeding habits in these same individuals. We also tracked the movements of 25 gulls (15 immatures and 10 adults) to identify potential sources of persistent organic pollutants (POPs). Both adult and immature gulls primarily inhabited urban areas, followed by marine habitats. Immature gulls spent more time in freshwater, landfills, and agricultural areas. Bioaccumulated ΣPCB (median = 92.7 ng g-1 ww, 1.86-592) and ΣPBDE (median = 1.44 ng g-1 ww, 0.022-9.58) showed no significant differences between age and sex groups. Notably, immature males exhibited the highest correlations with POP concentrations, particularly with the activity of carboxylesterases (CEs), suggesting a higher sensitivity than adults. These findings highlight the potential of plasmatic CEs in immature yellow-legged gulls as effective tracers of POPs exposure and effects, offering insights into the anthropogenic impacts on urban biodiversity.
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Affiliation(s)
- David Nos
- Institut de Ciències del Mar (ICM), CSIC, Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain.
| | - Tomas Montalvo
- Agència de Salut Pública de Barcelona, Pl. Lesseps, 1, 08023 Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau - IIB St. Pau, Barcelona, Spain
| | - Núria Cortés-Francisco
- Agència de Salut Pública de Barcelona, Pl. Lesseps, 1, 08023 Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; Institut d'Investigació Biomèdica Sant Pau - IIB St. Pau, Barcelona, Spain
| | - Jordi Figuerola
- Estación Biológica de Doñana - CSIC, Avenida Américo Vespucio 26, 41092 Sevilla, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Raül Aymí
- Institut Català d'Ornitologia, Museu de Ciències Naturals de Barcelona, Pl. Leonardo da Vinci, 4-5, 08019, Barcelona, Spain
| | - Joan Giménez
- Institut de Ciències del Mar (ICM), CSIC, Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain
| | - Montserrat Solé
- Institut de Ciències del Mar (ICM), CSIC, Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain
| | - Joan Navarro
- Institut de Ciències del Mar (ICM), CSIC, Passeig Marítim de la Barceloneta, 37-49, 08003 Barcelona, Spain
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da Silva JM, Alves LMF, Laranjeiro MI, Bessa F, Silva AV, Norte AC, Lemos MFL, Ramos JA, Novais SC, Ceia FR. Accumulation of chemical elements and occurrence of microplastics in small pelagic fish from a neritic environment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118451. [PMID: 34740735 DOI: 10.1016/j.envpol.2021.118451] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 10/29/2021] [Accepted: 10/30/2021] [Indexed: 06/13/2023]
Abstract
The assessment of contaminant exposure in marine organisms often focuses on the most toxic chemical elements from upper trophic level species. Information on mid-trophic level species and particularly on potentially less harmful elements is lacking. Additionally, microplastics have been considered emergent contaminants in aquatic environments which have not been extensively studied in species from mid-trophic levels in food chains. This study aims to contribute to an overall assessment of environmental impacts of such chemicals in a community of small pelagic fish in the North Atlantic. The concentrations of 16 chemical elements, rarely simultaneously quantified (including minerals, trace elements and heavy metals), and the presence of microplastics were analysed in sardines (Sardina pilchardus) and mackerels (Scomber spp. and Trachurus trachurus) sampled along the Portuguese coast. Biochemical stress assessments and stable isotope analyses were also performed. The chemical element concentrations in S. pilchardus, T. trachurus, and Scomber spp. were relatively low and lower than the levels reported for the same species in the North Atlantic and adjacent areas. No clear relationships were found between chemical elements and oxidative damage in fish. However, the concentration of several chemical elements showed differences among species, being related with the species' habitat use, trophic niches, and specific feeding strategies. The presence of plastic pieces in the stomachs of 29% of the sampled fishes is particularly concerning, as these small pelagic fish from mid-trophic levels compose a significant part of the diet of humans and other top predators. This study highlights the importance of multidisciplinary approaches focusing on the individual, including position data, stable isotopes, and oxidative stress biomarkers as complementary tools in contamination assessment of the marine mid-trophic levels in food chains.
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Affiliation(s)
- Joana M da Silva
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Luís M F Alves
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Maria I Laranjeiro
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Filipa Bessa
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Andreia V Silva
- IPMA - Portuguese Institute for the Sea and Atmosphere, Av. Dr. Alfredo Magalhães Ramalho, 6, 1495-165, Lisboa, Portugal
| | - Ana C Norte
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Jaime A Ramos
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Filipe R Ceia
- University of Coimbra, Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.
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Laranjeiro MI, Alves LMF, da Silva JM, Pereira JM, Norte AC, Paiva VH, Lemos MFL, Ramos JA, Novais SC, Ceia FR. Year-round element quantification of a wide-ranging seabird and their relationships with oxidative stress, trophic ecology, and foraging patterns. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117502. [PMID: 34098370 DOI: 10.1016/j.envpol.2021.117502] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/26/2021] [Accepted: 05/29/2021] [Indexed: 06/12/2023]
Abstract
Multidisciplinary approaches are essential to diligently assess environmental health status of ecosystems. In this study, year-round chemical elements' exposure and impacts were assessed on the wide-ranging Cory's shearwater Calonectris borealis breeding in Berlenga Island, offshore Portugal, North Atlantic Ocean. The aim was to identify potential contamination and oxidative stress sources associated with trophic ecology, habitat and spatial use, and foraging patterns. A set of 20 chemical elements were quantified, along with oxidative stress biomarkers, stable isotope analyses, and GPS tracking data. Birds presented higher accumulation to some non-essential elements along the year (i.e. arsenic, As; cadmium, Cd; mercury, Hg; lead, Pb; and strontium, Sr), in which concentrations were similar or surpassed other procellariform seabird populations all over the world. No significant differences were found for any of the elements between different periods within the breeding season, with exception of Hg. However, a Principal Component Analysis taking into consideration a group of elements showed differences between pre-laying and chick-rearing periods, with overall higher concentrations in the former. Individuals spending more time engaging in an intensive search for food, and in more coastal environments, presented overall higher element concentrations, and particularly Hg. Contrary to expectations, no relationships were found between chemical elements and oxidative stress. On the other hand, spatial use and foraging patterns of Cory's shearwaters influenced their oxidative stress responses. Our results highlight the need for multidisciplinary approaches to deepen understanding of the large-scale vulnerability of bioindicators such as seabirds and, by extension, the overall environmental health of ecosystems in which they rely.
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Affiliation(s)
- Maria I Laranjeiro
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Luís M F Alves
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Joana M da Silva
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Jorge M Pereira
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal; Environment and Sustainability Institute, University of Exeter, Penryn Campus, Penryn, Cornwall, TR10 9FE, UK
| | - Ana C Norte
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Vítor H Paiva
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Jaime A Ramos
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ESTM, Politécnico de Leiria, 2520-641, Peniche, Portugal
| | - Filipe R Ceia
- University of Coimbra, MARE - Marine and Environmental Sciences Centre, Department of Life Sciences, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.
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