Potentially toxic elements (PTEs) in seabirds foraging across a heterogeneous landscape: Cross-species bioaccumulation patterns

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorInstitute of Geosciences and Exact Sciences (IGCE)-
Autor(es): dc.contributorUniversidade Federal de Santa Catarina (UFSC)-
Autor(es): dc.contributorICMBio-
Autor(es): dc.creatorLima, Guilherme dos Santos-
Autor(es): dc.creatorSuarez, Carlos Alfredo-
Autor(es): dc.creatorGemeiner, Hendryk-
Autor(es): dc.creatorSerafini, Patricia Pereira-
Autor(es): dc.creatorde Deus, Jean Pablo Alves-
Autor(es): dc.creatorViana, José Lucas Martins-
Autor(es): dc.creatorMenegario, Amauri Antonio-
Data de aceite: dc.date.accessioned2025-08-21T21:36:39Z-
Data de disponibilização: dc.date.available2025-08-21T21:36:39Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-02-14-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.envpol.2024.125609-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300698-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300698-
Descrição: dc.descriptionSeabirds are particularly susceptible to potentially toxic elements (PTEs) due to the tendency of biomagnification of some elements, thus serving as potential bioindicators for assessing environmental health. In this study, we analyzed As, Cd, Cu and Zn concentrations in liver samples from nine seabird species (51 specimens) collected along the Southwestern Atlantic Ocean. Results revealed substantial variations in PTE concentrations among species, with taxonomic orders influencing accumulation patterns. The observed PTE concentrations in seabirds suggest potential trends in bioaccumulation, influenced by species-specific behaviors and diets. For instance, As ranged from 0.47 mg kg−1 in Nannopterum brasilianus to 70.25 mg kg−1 in Thalassarche melanophris, while Cd ranged from 0.01 mg kg−1 in N. brasilianus to 232.73 mg kg−1 in Spheniscus magellanicus. Generalized Linear Model (GLM) results identified body length and species as the main factors influencing PTE concentrations for most elements. Spearman correlation analysis revealed a strong positive correlation between Cd and Cu (ρ = 0.68), Cd and Zn (ρ = 0.67) and between Zn and Cu (ρ = 0.56), suggesting that seabirds with higher Cd levels also tend to have higher Cu and Zn concentrations. Multivariate statistical analysis demonstrated distinct PTE compositions among bird groups. Although significant variations in total concentrations of elements like Zn and Cu were observed among species, the relative contributions of each element to the overall load in the organism showed a convergence in proportions. This underscores the need for further research on homeostatic processes and the potential impacts of environmental PTEs on seabird health.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionSão Paulo State University (Unesp) Environmental Studies Center (CEA), SP-
Descrição: dc.descriptionPostgraduate Program in Geosciences and Environment Institute of Geosciences and Exact Sciences (IGCE), SP-
Descrição: dc.descriptionSão Paulo State University (Unesp) Basin Studies Laboratory (LEBAC), SP-
Descrição: dc.descriptionSanta Catarina Federal University (UFSC) Department of Biochemistry Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry (LABCAI), SC-
Descrição: dc.descriptionCentro Nacional de Pesquisa e Conservação de Aves Silvestres Instituto Chico Mendes de Conservação da Biodiversidade ICMBio, SC-
Descrição: dc.descriptionSão Paulo State University (Unesp) Department of Biodiversity Institute of Biosciences Laboratory of Spatial Ecology and Conservation (LEEC), SP-
Descrição: dc.descriptionSão Paulo State University (Unesp) Environmental Studies Center (CEA), SP-
Descrição: dc.descriptionSão Paulo State University (Unesp) Basin Studies Laboratory (LEBAC), SP-
Descrição: dc.descriptionSão Paulo State University (Unesp) Department of Biodiversity Institute of Biosciences Laboratory of Spatial Ecology and Conservation (LEEC), SP-
Idioma: dc.languageen-
Relação: dc.relationEnvironmental Pollution-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBioaccumulation-
Palavras-chave: dc.subjectContamination-
Palavras-chave: dc.subjectEnvironmental impact-
Palavras-chave: dc.subjectForaging behavior-
Palavras-chave: dc.subjectTrace elements-
Título: dc.titlePotentially toxic elements (PTEs) in seabirds foraging across a heterogeneous landscape: Cross-species bioaccumulation patterns-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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