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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
29/10/2021 |
Data da última atualização: |
05/04/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
IBARR, M. A.; ZANATTA, J. A.; DIECKOW, J.; RACHWAL, M. F. G.; RIBEIRO, R. H.; CARDOSO, D. J.; RAMALHO, B.; STAHL, J. |
Afiliação: |
MARIANA ALVES IBARR, Programa de Pós-Graduação em Ciência do Solo, UFPR; JOSILEIA ACORDI ZANATTA, CNPF; JEFERSON DIECKOW, UFPR; MARCOS FERNANDO GLUCK RACHWAL, CNPF; RICARDO HENRIQUE RIBEIRO, Programa de Pós-Graduação em Ciência do Solo, UFPR; DENISE JETON CARDOSO, CNPF; BRUNA RAMALHO, Programa de Pós-Graduação em Ciência do Solo, UFPR; JAMES STAHL, Klabin S.A. |
Título: |
Changes in soil carbon and nitrogen stocks after conversion of subtropical natural forest to loblolly pine plantations. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
European Journal of Forest Research, v. 141, p. 31-42, Feb. 2022. |
DOI: |
https://doi.org/10.1007/s10342-021-01424-6 |
Idioma: |
Inglês |
Conteúdo: |
Pinus plantations have increased in Brazil, and native forest areas have been converted for timber production. The clearing and the long-term loblolly pine (Pinus taeda L.) land-use efects on soil carbon and nitrogen stocks were evaluated in a natural broadleaved forest and in loblolly pine sites cultivated for 29, 35, 38 and 49 years, as well the soil contribution as ecosystem carbon pool. According to the exponential-decay model ftted to changes in carbon stock, the initial soil carbon stock of 200 Mg ha -1 to a depth of 100 cm in the natural forest decreased by 36% over 49 years of pine cultivation (around 72.4 Mg ha−1 of C). Around two-thirds of this decrease occurred in the top 30 cm of the soil and intensively in the frst 12 years of cultivation, but slowly faded as carbon stock tended to reach a new steady state after approximately 49 years of cultivation. The soil nitrogen stock in the natural forest was 14.2 Mg ha -1 to a depth of 100 cm and decreased by 36% over the 49 years. This decrease was linear according to the ftted model, especially in the top 30 cm where nitrogen decline was 83% and was proportionally more intense than the carbon decline. Despite the soil carbon decrease, soil remained the largest carbon reservoir in the ecosystem for the growing rotation time of loblolly pine in this region. |
Palavras-Chave: |
Biomassa florestal; Forest foor; Tree biomass. |
Thesagro: |
Matéria Orgânica; Pinus Taeda; Solo; Uso da Terra. |
Thesaurus Nal: |
Land use change; Soil organic matter. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02314naa a2200325 a 4500 001 2135725 005 2022-04-05 008 2022 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s10342-021-01424-6$2DOI 100 1 $aIBARR, M. A. 245 $aChanges in soil carbon and nitrogen stocks after conversion of subtropical natural forest to loblolly pine plantations.$h[electronic resource] 260 $c2022 520 $aPinus plantations have increased in Brazil, and native forest areas have been converted for timber production. The clearing and the long-term loblolly pine (Pinus taeda L.) land-use efects on soil carbon and nitrogen stocks were evaluated in a natural broadleaved forest and in loblolly pine sites cultivated for 29, 35, 38 and 49 years, as well the soil contribution as ecosystem carbon pool. According to the exponential-decay model ftted to changes in carbon stock, the initial soil carbon stock of 200 Mg ha -1 to a depth of 100 cm in the natural forest decreased by 36% over 49 years of pine cultivation (around 72.4 Mg ha−1 of C). Around two-thirds of this decrease occurred in the top 30 cm of the soil and intensively in the frst 12 years of cultivation, but slowly faded as carbon stock tended to reach a new steady state after approximately 49 years of cultivation. The soil nitrogen stock in the natural forest was 14.2 Mg ha -1 to a depth of 100 cm and decreased by 36% over the 49 years. This decrease was linear according to the ftted model, especially in the top 30 cm where nitrogen decline was 83% and was proportionally more intense than the carbon decline. Despite the soil carbon decrease, soil remained the largest carbon reservoir in the ecosystem for the growing rotation time of loblolly pine in this region. 650 $aLand use change 650 $aSoil organic matter 650 $aMatéria Orgânica 650 $aPinus Taeda 650 $aSolo 650 $aUso da Terra 653 $aBiomassa florestal 653 $aForest foor 653 $aTree biomass 700 1 $aZANATTA, J. A. 700 1 $aDIECKOW, J. 700 1 $aRACHWAL, M. F. G. 700 1 $aRIBEIRO, R. H. 700 1 $aCARDOSO, D. J. 700 1 $aRAMALHO, B. 700 1 $aSTAHL, J. 773 $tEuropean Journal of Forest Research$gv. 141, p. 31-42, Feb. 2022.
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Embrapa Florestas (CNPF) |
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Registro Completo
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
23/04/2010 |
Data da última atualização: |
23/04/2010 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
SILVA, D. R.; RECH FILHO, E. L.; LACORTE, C. C. |
Afiliação: |
D. R. SILVA, FTB; ELIBIO LEOPOLDO RECH FILHO, CENARGEN; CRISTIANO CASTRO LACORTE, CENARGEN. |
Título: |
Conservação in vitro de células transgênicas de Nicotiana tabacum L. utilizando manitol e sorbitol. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 14., 2009, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2009. Resumo 010. |
Páginas: |
P. 44 |
Idioma: |
Português |
Palavras-Chave: |
Biologia celular; Manitol. |
Thesagro: |
Fumo; Nicotiana Tabacum. |
Thesaurus NAL: |
sorbitol. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00734nam a2200193 a 4500 001 1697413 005 2010-04-23 008 2009 bl uuuu u01u1 u #d 100 1 $aSILVA, D. R. 245 $aConservação in vitro de células transgênicas de Nicotiana tabacum L. utilizando manitol e sorbitol. 260 $aIn: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 14., 2009, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2009. Resumo 010.$c2009 300 $aP. 44 650 $asorbitol 650 $aFumo 650 $aNicotiana Tabacum 653 $aBiologia celular 653 $aManitol 700 1 $aRECH FILHO, E. L. 700 1 $aLACORTE, C. C.
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