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| 1. |  | SILVA, B. M. P. da; BÖRNER, J.; NASCIMENTO, N. C. C. do; AZEVEDO, C. M. B. C. de. Oportunidades e barreiras de ordem social e econômica para a preservação dos recursos hídricos por parte dos pequenos agricultores no Nordeste paraense. In: SEMINÁRIO GESTABACIAS, 1., 2010, Belém, PA. Resultados de pesquisas em mesobacias do Nordeste paraense e sua aplicação no desenvolvimento rural. Belém, PA: Embrapa Amazônia Oriental: Projeto Gestabacias, 2010. 1 CD-ROM.| Biblioteca(s): Embrapa Amazônia Oriental. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
24/03/2021 |
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Data da última atualização: |
24/03/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
FERREIRA, T.; HANSEL, F. A.; MAIA, C. M. B. F.; GUIOTOKU, M.; CUNHA, L.; BROWN, G. G. |
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Afiliação: |
TALITA FERREIRA, UFPR; FABRICIO AUGUSTO HANSEL, CNPF; CLAUDIA MARIA BRANCO F. MAIA, Pesquisadora aposentada da Embrapa Florestas; MARCELA GUIOTOKU, CNPF; LUÍS CUNHA, Universidade de Coimbra; GEORGE GARDNER BROWN, CNPF. |
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Título: |
Earthworm-biochar interactions: A laboratory trial using Pontoscolex corethrurus. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Science of the Total Environment, v. 777, 146147, July 2021. 12 p. |
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DOI: |
https://doi.org/10.1016/j.scitotenv.2021.146147 |
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Idioma: |
Inglês |
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Conteúdo: |
Biochar application can improve soil quality, but at high rates may cause negative effects on soil organisms such as earthworms. Conversely, as ecosystemengineers and catalysts of microbial activity, earthworms can also affect soil quality and interact with biochar, though little is knownconcerning endogeic earthworm species interactions with biochar. Hence, a standard ecotoxicological laboratory trial was undertaken to assess the impact of Brazilnut husk biochar application (0, 2.5, 5 and 10% w/w) on the endogeic cosmopolitan species Pontoscolex corethrurus, and the effects of bioturbation and gut passage on biochar chemical characteristics (assessed using pyrolysis coupled with gas chromatography and mass spectrometry) and morphology (evaluated using scanning electron microscopy). Biochar addition up to 10%w/whad no negative effects on P. corethrurus, and ingested biochar particles showed signs of physical degradation and bacterial colonization. Nine pyrolysis-produced chemical biomarkers (phenolic and aromatic compounds)were detected that can be used as indicators of biochar presence in soils and earthworm castings. Earthworm casts showed distinct macromolecular chemical signatures compared with uningested artificial soil with and without biochar. Earthworm bioturbation and biochar ingestion may have important effects on functionalization and biochar chemical and physical properties that should be considered in field applications, especially where endogeic biochar-consuming species are present. MenosBiochar application can improve soil quality, but at high rates may cause negative effects on soil organisms such as earthworms. Conversely, as ecosystemengineers and catalysts of microbial activity, earthworms can also affect soil quality and interact with biochar, though little is knownconcerning endogeic earthworm species interactions with biochar. Hence, a standard ecotoxicological laboratory trial was undertaken to assess the impact of Brazilnut husk biochar application (0, 2.5, 5 and 10% w/w) on the endogeic cosmopolitan species Pontoscolex corethrurus, and the effects of bioturbation and gut passage on biochar chemical characteristics (assessed using pyrolysis coupled with gas chromatography and mass spectrometry) and morphology (evaluated using scanning electron microscopy). Biochar addition up to 10%w/whad no negative effects on P. corethrurus, and ingested biochar particles showed signs of physical degradation and bacterial colonization. Nine pyrolysis-produced chemical biomarkers (phenolic and aromatic compounds)were detected that can be used as indicators of biochar presence in soils and earthworm castings. Earthworm casts showed distinct macromolecular chemical signatures compared with uningested artificial soil with and without biochar. Earthworm bioturbation and biochar ingestion may have important effects on functionalization and biochar chemical and physical properties that should be considered in field applications, especially where endogeic biochar-consumi... Mostrar Tudo |
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Palavras-Chave: |
Biochar morphology; Biomarcador químico; Caracterização; Cast properties; Chemical biomarkers; Ecotoxicologia; Morfologia do biochar; Organic matter characterization. |
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Thesaurus NAL: |
Ecotoxicology. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02452naa a2200301 a 4500
001 2130888
005 2021-03-24
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.scitotenv.2021.146147$2DOI
100 1 $aFERREIRA, T.
245 $aEarthworm-biochar interactions$bA laboratory trial using Pontoscolex corethrurus.$h[electronic resource]
260 $c2021
520 $aBiochar application can improve soil quality, but at high rates may cause negative effects on soil organisms such as earthworms. Conversely, as ecosystemengineers and catalysts of microbial activity, earthworms can also affect soil quality and interact with biochar, though little is knownconcerning endogeic earthworm species interactions with biochar. Hence, a standard ecotoxicological laboratory trial was undertaken to assess the impact of Brazilnut husk biochar application (0, 2.5, 5 and 10% w/w) on the endogeic cosmopolitan species Pontoscolex corethrurus, and the effects of bioturbation and gut passage on biochar chemical characteristics (assessed using pyrolysis coupled with gas chromatography and mass spectrometry) and morphology (evaluated using scanning electron microscopy). Biochar addition up to 10%w/whad no negative effects on P. corethrurus, and ingested biochar particles showed signs of physical degradation and bacterial colonization. Nine pyrolysis-produced chemical biomarkers (phenolic and aromatic compounds)were detected that can be used as indicators of biochar presence in soils and earthworm castings. Earthworm casts showed distinct macromolecular chemical signatures compared with uningested artificial soil with and without biochar. Earthworm bioturbation and biochar ingestion may have important effects on functionalization and biochar chemical and physical properties that should be considered in field applications, especially where endogeic biochar-consuming species are present.
650 $aEcotoxicology
653 $aBiochar morphology
653 $aBiomarcador químico
653 $aCaracterização
653 $aCast properties
653 $aChemical biomarkers
653 $aEcotoxicologia
653 $aMorfologia do biochar
653 $aOrganic matter characterization
700 1 $aHANSEL, F. A.
700 1 $aMAIA, C. M. B. F.
700 1 $aGUIOTOKU, M.
700 1 $aCUNHA, L.
700 1 $aBROWN, G. G.
773 $tScience of the Total Environment$gv. 777, 146147, July 2021. 12 p.
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