Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition

Detalhes bibliográficos
Autor(a) principal: Moreirinha, Catarina
Data de Publicação: 2011
Outros Autores: Duarte, Sofia Alexandra Ferreira, Pascoal, Cláudia, Cássio, Fernanda
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/1822/21684
Resumo: This version does not correspond to the published one. To access the final version go to: http://www.springerlink.com/content/t8t302617003m078/
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spelling Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decompositionCadmiumPhenanthreneAquatic fungiLeaf litter decompositionScience & TechnologyThis version does not correspond to the published one. To access the final version go to: http://www.springerlink.com/content/t8t302617003m078/Urbanization and industrial activities have contributed to widespread contamination by metals and polycyclic aromatic hydrocarbons, but the combined effects of these toxics on aquatic biota and processes are poorly understood. We examined the effects of cadmium (Cd) and phenanthrene on the activity and diversity of fungi associated with decomposing leaf litter in streams. Leaves of Alnus glutinosa were immersed for 10 days in an unpolluted low-order stream in northwest Portugal to allow microbial colonization. Leaves were then exposed in microcosms for 14 days to Cd (0.06–4.5 mg L−1) and phenanthrene (0.2 mg L−1) either alone or in mixture. A total of 19 aquatic hyphomycete species were found sporulating on leaves during the whole study. The dominant species was Articulospora tetracladia, followed by Alatospora pulchella, Clavatospora longibrachiata, and Tetrachaetum elegans. Exposure to Cd and phenanthrene decreased the contribution of A. tetracladia to the total conidial production, whereas it increased that of A. pulchella. Fungal diversity, assessed as denaturing gradient gel electrophoresis fingerprinting or conidial morphology, was decreased by the exposure to Cd and/or phenanthrene. Moreover, increased Cd concentrations decreased leaf decomposition and fungal reproduction but did not inhibit fungal biomass production. Exposure to phenanthrene potentiated the negative effects of Cd on fungal diversity and activity, suggesting that the co-occurrence of these stressors may pose additional risk to aquatic biodiversity and stream ecosystem functioning.The Portuguese Foundation for the Science and Technology supported this work (POCI/MAR/56964/2004) and S. Duarte (SFRH/BPD/47574/2008)SpringerUniversidade do MinhoMoreirinha, CatarinaDuarte, Sofia Alexandra FerreiraPascoal, CláudiaCássio, Fernanda20112011-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/1822/21684eng0090-434110.1007/s00244-010-9610-620957352http://www.springerlink.com/content/t8t302617003m078/info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-07-21T12:22:12Zoai:repositorium.sdum.uminho.pt:1822/21684Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T19:15:39.492273Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
title Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
spellingShingle Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
Moreirinha, Catarina
Cadmium
Phenanthrene
Aquatic fungi
Leaf litter decomposition
Science & Technology
title_short Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
title_full Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
title_fullStr Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
title_full_unstemmed Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
title_sort Effects of cadmium and phenanthrene mixtures on aquatic fungi and microbially mediated leaf litter decomposition
author Moreirinha, Catarina
author_facet Moreirinha, Catarina
Duarte, Sofia Alexandra Ferreira
Pascoal, Cláudia
Cássio, Fernanda
author_role author
author2 Duarte, Sofia Alexandra Ferreira
Pascoal, Cláudia
Cássio, Fernanda
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidade do Minho
dc.contributor.author.fl_str_mv Moreirinha, Catarina
Duarte, Sofia Alexandra Ferreira
Pascoal, Cláudia
Cássio, Fernanda
dc.subject.por.fl_str_mv Cadmium
Phenanthrene
Aquatic fungi
Leaf litter decomposition
Science & Technology
topic Cadmium
Phenanthrene
Aquatic fungi
Leaf litter decomposition
Science & Technology
description This version does not correspond to the published one. To access the final version go to: http://www.springerlink.com/content/t8t302617003m078/
publishDate 2011
dc.date.none.fl_str_mv 2011
2011-01-01T00:00:00Z
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.uri.fl_str_mv http://hdl.handle.net/1822/21684
url http://hdl.handle.net/1822/21684
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0090-4341
10.1007/s00244-010-9610-6
20957352
http://www.springerlink.com/content/t8t302617003m078/
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
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