Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Digital do Instituto Evandro Chagas (Patuá) |
Texto Completo: | https://patua.iec.gov.br/handle/iec/4549 |
Resumo: | Mangrove creeks are considered important routes between terrestrial and adjacent coastal waters regarding the transport of dissolved material to oceans. The present study assessed if Amazonian seasonal rainfall patterns affect the pore water biogeochemistry and the intensity and direction of nutrient (NH4+ and PO43−) and metal (Fe2+ and Mn2+) exchanges from intertidal creek mudflats fringed by pristine mangroves. The results indicate that mangrove-fringed mudflats are effective in retaining iron and nutrients in solid sediment phases compared to export to coastal waters, also potentially comprising a significant manganese contributor to coastal waters. However, nutrient and metal retention are lower during the wet season, as intense rainfall periods reduce pore water salinity and promote increased reducing sediment conditions. Such conditions enhance organic matter degradation and pore water NH4+, PO43−, Fe2+ and Mn2+ concentrations just below the sediment-water interface, generating higher effluxes during this period. Our findings demonstrate that seasonal variabilities drive substantial physicochemical property and pore water biogeochemistry changes, affecting the efficiency of mudflat sediments retaining and exporting nutrients and metals. |
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Matos, Christiene R. LBerrêdo, José FMachado, WilsonMetzger, EdouardSanders, Christian JFaial, Kelson do Carmo FreitasCohen, Marcelo C. L2022-06-03T17:45:36Z2022-06-03T17:45:36Z2022MATOS, Christiene R. L. et al. Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region. Applied Geochemistry, v. 138, n. 105217, p. xx, Mar. 2022.0883-2927https://patua.iec.gov.br/handle/iec/454910.1016/j.apgeochem.2022.105217Mangrove creeks are considered important routes between terrestrial and adjacent coastal waters regarding the transport of dissolved material to oceans. The present study assessed if Amazonian seasonal rainfall patterns affect the pore water biogeochemistry and the intensity and direction of nutrient (NH4+ and PO43−) and metal (Fe2+ and Mn2+) exchanges from intertidal creek mudflats fringed by pristine mangroves. The results indicate that mangrove-fringed mudflats are effective in retaining iron and nutrients in solid sediment phases compared to export to coastal waters, also potentially comprising a significant manganese contributor to coastal waters. However, nutrient and metal retention are lower during the wet season, as intense rainfall periods reduce pore water salinity and promote increased reducing sediment conditions. Such conditions enhance organic matter degradation and pore water NH4+, PO43−, Fe2+ and Mn2+ concentrations just below the sediment-water interface, generating higher effluxes during this period. Our findings demonstrate that seasonal variabilities drive substantial physicochemical property and pore water biogeochemistry changes, affecting the efficiency of mudflat sediments retaining and exporting nutrients and metals.Ministério da Ciência, Tecnologia e Inovações. Museu Paraense Emílio Goeldi. Belém, PA, BrazilMinistério da Ciência, Tecnologia e Inovações. Museu Paraense Emílio Goeldi. Belém, PA, BrazilUniversidade Federal Fluminense. Programa de Pós-Graduação em Geoquímica. Niterói, RJ, BrazilUniversité d’Angers. Nantes Université. Le Mans Université. Centre National de la Recherche Scientifique. Laboratoire de Planétologie et Géosciences. Angers, FranceSouthern Cross University. National Marine Science Centre. Coffs Harbour, New South Wales, AustraliaMinistério da Saúde. Secretaria de Vigilância em Saúde. Instituto Evandro Chagas. Laboratório de Toxicologia. Ananindeua, PA, BrasilUniversidade Federal do Pará. Programa de Pós-Graduação em Geologia e Geoquímica. Belém, PA, BrazilengElsevierSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon regioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleÁreas AlagadasTransporte de SedimentosSedimentos Marinhos (Saúde Ambiental)Transporte de SedimentosChuvainfo:eu-repo/semantics/embargoedAccessreponame:Repositório Digital do Instituto Evandro Chagas (Patuá)instname:Instituto Evandro Chagas (IEC)instacron:IECORIGINALSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdfSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdfapplication/pdf551083https://patua.iec.gov.br/bitstreams/fb72dd58-d2e2-4436-8730-7ebb2ecd496e/downloadc9a9c128e29cac82a5d7fdf3f4e6da73MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-82182https://patua.iec.gov.br/bitstreams/fdbb062e-bacf-4638-803a-8e6e0c742f82/download11832eea31b16df8613079d742d61793MD52TEXTSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdf.txtSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdf.txtExtracted texttext/plain2https://patua.iec.gov.br/bitstreams/873c8f30-8c7f-4332-bd22-e9407e42cd9f/downloade1c06d85ae7b8b032bef47e42e4c08f9MD55THUMBNAILSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdf.jpgSeasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region.pdf.jpgGenerated Thumbnailimage/jpeg3095https://patua.iec.gov.br/bitstreams/670bba3c-ae6c-4918-9e42-ffdd797bee80/download71859d578212107f7f8c49a4ce09d9eeMD56iec/45492022-10-20 23:16:40.101oai:patua.iec.gov.br:iec/4549https://patua.iec.gov.brRepositório InstitucionalPUBhttps://patua.iec.gov.br/oai/requestclariceneta@iec.gov.br || Biblioteca@iec.gov.bropendoar:2022-10-20T23:16:40Repositório Digital do Instituto Evandro Chagas (Patuá) - 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dc.title.pt_BR.fl_str_mv |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
title |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
spellingShingle |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region Matos, Christiene R. L Áreas Alagadas Transporte de Sedimentos Sedimentos Marinhos (Saúde Ambiental) Transporte de Sedimentos Chuva |
title_short |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
title_full |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
title_fullStr |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
title_full_unstemmed |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
title_sort |
Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region |
author |
Matos, Christiene R. L |
author_facet |
Matos, Christiene R. L Berrêdo, José F Machado, Wilson Metzger, Edouard Sanders, Christian J Faial, Kelson do Carmo Freitas Cohen, Marcelo C. L |
author_role |
author |
author2 |
Berrêdo, José F Machado, Wilson Metzger, Edouard Sanders, Christian J Faial, Kelson do Carmo Freitas Cohen, Marcelo C. L |
author2_role |
author author author author author author |
dc.contributor.author.fl_str_mv |
Matos, Christiene R. L Berrêdo, José F Machado, Wilson Metzger, Edouard Sanders, Christian J Faial, Kelson do Carmo Freitas Cohen, Marcelo C. L |
dc.subject.decsPrimary.pt_BR.fl_str_mv |
Áreas Alagadas Transporte de Sedimentos Sedimentos Marinhos (Saúde Ambiental) Transporte de Sedimentos Chuva |
topic |
Áreas Alagadas Transporte de Sedimentos Sedimentos Marinhos (Saúde Ambiental) Transporte de Sedimentos Chuva |
description |
Mangrove creeks are considered important routes between terrestrial and adjacent coastal waters regarding the transport of dissolved material to oceans. The present study assessed if Amazonian seasonal rainfall patterns affect the pore water biogeochemistry and the intensity and direction of nutrient (NH4+ and PO43−) and metal (Fe2+ and Mn2+) exchanges from intertidal creek mudflats fringed by pristine mangroves. The results indicate that mangrove-fringed mudflats are effective in retaining iron and nutrients in solid sediment phases compared to export to coastal waters, also potentially comprising a significant manganese contributor to coastal waters. However, nutrient and metal retention are lower during the wet season, as intense rainfall periods reduce pore water salinity and promote increased reducing sediment conditions. Such conditions enhance organic matter degradation and pore water NH4+, PO43−, Fe2+ and Mn2+ concentrations just below the sediment-water interface, generating higher effluxes during this period. Our findings demonstrate that seasonal variabilities drive substantial physicochemical property and pore water biogeochemistry changes, affecting the efficiency of mudflat sediments retaining and exporting nutrients and metals. |
publishDate |
2022 |
dc.date.accessioned.fl_str_mv |
2022-06-03T17:45:36Z |
dc.date.available.fl_str_mv |
2022-06-03T17:45:36Z |
dc.date.issued.fl_str_mv |
2022 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
MATOS, Christiene R. L. et al. Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region. Applied Geochemistry, v. 138, n. 105217, p. xx, Mar. 2022. |
dc.identifier.uri.fl_str_mv |
https://patua.iec.gov.br/handle/iec/4549 |
dc.identifier.issn.-.fl_str_mv |
0883-2927 |
dc.identifier.doi.-.fl_str_mv |
10.1016/j.apgeochem.2022.105217 |
identifier_str_mv |
MATOS, Christiene R. L. et al. Seasonal changes in metal and nutrient fluxes across the sediment-water interface in tropical mangrove creeks in the Amazon region. Applied Geochemistry, v. 138, n. 105217, p. xx, Mar. 2022. 0883-2927 10.1016/j.apgeochem.2022.105217 |
url |
https://patua.iec.gov.br/handle/iec/4549 |
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eng |
language |
eng |
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info:eu-repo/semantics/embargoedAccess |
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embargoedAccess |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
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reponame:Repositório Digital do Instituto Evandro Chagas (Patuá) instname:Instituto Evandro Chagas (IEC) instacron:IEC |
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IEC |
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Repositório Digital do Instituto Evandro Chagas (Patuá) |
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