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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
24/08/2012 |
Data da última atualização: |
20/02/2015 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MARICHAL, R.; GRIMALDI, M.; MATHIEU, J.; BROWN, G. G.; SILVA JUNIOR, M. L. da; PRAXEDES, C.; MARTINS, M. B.; VELASQUEZ, E.; LAVELLE, P. |
Afiliação: |
RAPHAEL MARICHAL, Museu Paraense Emilio Goeldi; MICHEL GRIMALDI, RD, UMR Bioemco; JEROME MATHIEU, UPMC Université Paris; GEORGE GARDNER BROWN, CNPF; MARIO LOPES DA SILVA JUNIOR, UFRA; CATARINA PRAXEDES, Museu Paraense Emilio Goeldi; MARLUCIA B. MARTINS, Museu Paraense Emilio Goeldi; ELENA VELASQUEZ, Universidad Nacional de Colombia; PATRICK LAVELLE, Centro Internacional de Agricultura Tropical (CIAT). |
Título: |
Is invasion of deforested Amazonia by the earthworm Pontoscolex corethrurus driven by soil texture and chemical properties? |
Ano de publicação: |
2012 |
Fonte/Imprenta: |
Pedobiologia, v. 55, p. 233-240, 2012. |
Idioma: |
Inglês |
Conteúdo: |
Pontoscolex corethurus (Müller, 1857) is the most common invasive earthworm in disturbed lands in the tropics. Conditions required for its successful colonization of new plots are still not understood since some areas can be invaded while others, sometimes in the vicinity, are not. We kept newly hatched P. corethrurus in a wide range of Amazonian soils where population densities had been previously evaluated. We identified soil conditions that best sustain survival, soil ingestion and growth of P. corethrurus in controlled laboratory conditions and checked if presence/absence in the field was consistent with laboratory observations. While pH and Ca influenced survival; Mg and C content were the greatest determinants for growth and C:P, Mg and clay contents determined soil ingestion rates. Soil ingestion and growth rate were correlated. There were no differences in earthworm soil ingestion rates between invaded and non-invaded soils. However, growth rate and survival were higher in soils from invaded sites than in soils from non invaded sites, indicating that soil quality may play a role in the invasion process. We identified two cases where P. corethrurus did not occur: (1) unfavourable soil texture and chemical properties, but also some areas with and (2) favourable soil texture and chemical properties but no invasion. Other parameters, like vegetation cover (grass or trees), soil structure and compaction, soil hydrologic processes or biotic resistance of native earthworm communities could potentially also be key elements for understanding why P. corethrurus populations occur in some sites and not in others. MenosPontoscolex corethurus (Müller, 1857) is the most common invasive earthworm in disturbed lands in the tropics. Conditions required for its successful colonization of new plots are still not understood since some areas can be invaded while others, sometimes in the vicinity, are not. We kept newly hatched P. corethrurus in a wide range of Amazonian soils where population densities had been previously evaluated. We identified soil conditions that best sustain survival, soil ingestion and growth of P. corethrurus in controlled laboratory conditions and checked if presence/absence in the field was consistent with laboratory observations. While pH and Ca influenced survival; Mg and C content were the greatest determinants for growth and C:P, Mg and clay contents determined soil ingestion rates. Soil ingestion and growth rate were correlated. There were no differences in earthworm soil ingestion rates between invaded and non-invaded soils. However, growth rate and survival were higher in soils from invaded sites than in soils from non invaded sites, indicating that soil quality may play a role in the invasion process. We identified two cases where P. corethrurus did not occur: (1) unfavourable soil texture and chemical properties, but also some areas with and (2) favourable soil texture and chemical properties but no invasion. Other parameters, like vegetation cover (grass or trees), soil structure and compaction, soil hydrologic processes or biotic resistance of native earthworm c... Mostrar Tudo |
Thesagro: |
Minhoca. |
Thesaurus Nal: |
Amazonia; Pontoscolex corethrurus. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02376naa a2200253 a 4500 001 1932145 005 2015-02-20 008 2012 bl uuuu u00u1 u #d 100 1 $aMARICHAL, R. 245 $aIs invasion of deforested Amazonia by the earthworm Pontoscolex corethrurus driven by soil texture and chemical properties?$h[electronic resource] 260 $c2012 520 $aPontoscolex corethurus (Müller, 1857) is the most common invasive earthworm in disturbed lands in the tropics. Conditions required for its successful colonization of new plots are still not understood since some areas can be invaded while others, sometimes in the vicinity, are not. We kept newly hatched P. corethrurus in a wide range of Amazonian soils where population densities had been previously evaluated. We identified soil conditions that best sustain survival, soil ingestion and growth of P. corethrurus in controlled laboratory conditions and checked if presence/absence in the field was consistent with laboratory observations. While pH and Ca influenced survival; Mg and C content were the greatest determinants for growth and C:P, Mg and clay contents determined soil ingestion rates. Soil ingestion and growth rate were correlated. There were no differences in earthworm soil ingestion rates between invaded and non-invaded soils. However, growth rate and survival were higher in soils from invaded sites than in soils from non invaded sites, indicating that soil quality may play a role in the invasion process. We identified two cases where P. corethrurus did not occur: (1) unfavourable soil texture and chemical properties, but also some areas with and (2) favourable soil texture and chemical properties but no invasion. Other parameters, like vegetation cover (grass or trees), soil structure and compaction, soil hydrologic processes or biotic resistance of native earthworm communities could potentially also be key elements for understanding why P. corethrurus populations occur in some sites and not in others. 650 $aAmazonia 650 $aPontoscolex corethrurus 650 $aMinhoca 700 1 $aGRIMALDI, M. 700 1 $aMATHIEU, J. 700 1 $aBROWN, G. G. 700 1 $aSILVA JUNIOR, M. L. da 700 1 $aPRAXEDES, C. 700 1 $aMARTINS, M. B. 700 1 $aVELASQUEZ, E. 700 1 $aLAVELLE, P. 773 $tPedobiologia$gv. 55, p. 233-240, 2012.
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5. | | VIGHI, V. A.; MARTINS, M. B.; ANDRES, A. Controle de plantas escape de Amaranthus spp. no campo e casa de vegetação. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA, 28.; ENCONTRO DE PÓS-GRADUAÇÃO UFPEL, 21.; SEMANA INTEGRADA DE ENSINO, PESQUISA E EXTENSÃO, 5., 2019, Pelotas. Anais... Pelotas: UFPel, 2019.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Clima Temperado. |
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Biblioteca(s): Embrapa Clima Temperado. |
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Biblioteca(s): Embrapa Clima Temperado. |
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15. | | MARTINS, M. B.; TELÓ, G. M.; SCHREIBER, F.; ALVES, Y. S.; ANDRES, A. Efeito da densidade de semeadura do arroz irrigado nos componentes de rendimento e na germinação de sementes. In: ENCONTRO DE INICIAÇÃO CIENTÍFICA E PÓS-GRADUAÇÃO DA EMBRAPA CLIMA TEMPERADO, 6., 2016, Pelotas. Ciência: Empreendedorismo e inovação: anais. Brasília, DF: Embrapa, 2016. p. 186-188Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Clima Temperado. |
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Biblioteca(s): Embrapa Clima Temperado. |
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18. | | SCHREIBER, F.; SCHERNER, A.; ANDRES, A.; CONCENCO, G.; CEOLIN, W. C.; MARTINS, M. B. Experimental methods to evaluate herbicides behavior in soil. Revista Brasileira de Herbicidas, v. 17, n. 1, p. 71-85, jan./mar. 2018 Métodos experimentais para avaliação do comportamento dos herbicidas no solo.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 4 |
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Biblioteca(s): Embrapa Florestas. |
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