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Recent advances in the study of mercury biogeochemistry in Arctic permafrost ecosystems

dc.contributor.authorMalcata Martins, Beatriz
dc.contributor.authorHintelmann, Holger
dc.contributor.authorPilote, Martin
dc.contributor.authorVieira, Gonçalo
dc.contributor.authorCanário, João
dc.date.accessioned2025-01-24T11:40:37Z
dc.date.available2025-01-24T11:40:37Z
dc.date.issued2025
dc.description.abstractPermafrost predominates in polar and high mountain regions, encompassing nearly 15 % of the exposed land in the Northern Hemisphere. It denotes soil or rock that remains at or below 0 °C for the duration of at least two consecutive years. These frozen soils serve as a barrier to contaminants that are stored and accumulated in permafrost over extended periods of time. One of these chemical compounds is mercury (Hg), a heavy metal well recognized for its severe toxic effects. Mercury presents a major risk worldwide to ecosystems, biota and human health and is strengthened by the Minamata Convention on Mercury. The International Panel on Climate Change (IPCC) scientific group monitors and assesses the science related to climate change and highlights the significant impacts of global warming. The phenomenon known as Arctic amplification has accentuated warming of the Arctic in recent years and has led to the degradation and rapid thawing of permafrost. This process has significant implications in hydrology of the ecosystems and for the mobility of previously sequestered carbon and trace metals, such as Hg, with possible adverse environmental and human health impacts. In this article, we provide a comprehensive review of the current understanding of the Hg cycle in permafrost regions, exploring the effects of global warming on these intricate processes. Additionally, we highlight existing research gaps and propose directions for future investigations.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMartins, B. M., Hintelmann, H., Pilote, M., Vieira, G., & Canário, J. (2025). Recent advances in the study of mercury biogeochemistry in Arctic permafrost ecosystems. Science of The Total Environment, 959, 178176. https://doi.org/10.1016/j.scitotenv.2024.178176pt_PT
dc.identifier.doi10.1016/j.scitotenv.2024.178176pt_PT
dc.identifier.issn1879-1026
dc.identifier.urihttp://hdl.handle.net/10400.5/97701
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relationMercury Biogeochemistry, Fate and Impact in Permafrost Thaw Ecosystems 
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0048969724083347?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectGlobal warmingpt_PT
dc.subjectPermafrost degradationpt_PT
dc.subjectPermafrost heterogeneitypt_PT
dc.subjectMethylmercury (MMHg)pt_PT
dc.subjectHg cyclept_PT
dc.subjectArctic Communitiespt_PT
dc.titleRecent advances in the study of mercury biogeochemistry in Arctic permafrost ecosystemspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMercury Biogeochemistry, Fate and Impact in Permafrost Thaw Ecosystems 
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso para Financiamento de Projetos de Investigação Científica e Desenvolvimento Tecnológico em Todos os Domínios Científicos - 2020/PTDC%2FCTA-AMB%2F4744%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//2021.04818.BD/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Concurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017%2F2018) - Financiamento Base/UIDB%2F00100%2F2020/PT
oaire.citation.startPage178176pt_PT
oaire.citation.titleScience of The Total Environmentpt_PT
oaire.citation.volume959pt_PT
oaire.fundingStreamConcurso para Financiamento de Projetos de Investigação Científica e Desenvolvimento Tecnológico em Todos os Domínios Científicos - 2020
oaire.fundingStreamConcurso de avaliação no âmbito do Programa Plurianual de Financiamento de Unidades de I&D (2017/2018) - Financiamento Base
person.familyNameBrito Guapo Teles Vieira
person.givenNameGonçalo
person.identifierG-5958-2010
person.identifier.ciencia-id2519-6583-CAEA
person.identifier.orcid0000-0001-7611-3464
person.identifier.scopus-author-id7005863976
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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