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Registro Completo |
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Biblioteca(s): |
Embrapa Rondônia. |
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Data corrente: |
24/04/2012 |
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Data da última atualização: |
26/06/2021 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
SALTON, J. C.; GODINHO, V. de P. C.; SANTOS, H. P. dos; RIBASKI, J.; WUNSCH, J. A.; NICODEMO, M. L. F.; RANGEL, J. H. de A.; MULLER, M. D.; SANTOS, J. C. F. dos; TEIXEIRA NETO, M. L.; VIANA, J. H. M.; NOCE, M. A. |
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Afiliação: |
JULIO CESAR SALTON, CPAO; VICENTE DE PAULO CAMPOS GODINHO, CPAF-RO; HENRIQUE PEREIRA DOS SANTOS, CNPT; JORGE RIBASKI, CNPF; JAIME AIRTON WUNSCH, CPACT; MARIA LUIZA FRANCESCHI NICODEMO, CPPSE; JOSE HENRIQUE DE ALBUQUERQUE RANGEL, CPATC; MARCELO DIAS MULLER, CNPGL; JULIO CEZAR FRANCHINI DOS SANTOS, CNPSO; MARCOS LOPES TEIXEIRA NETO, CPAMN; JOAO HERBERT MOREIRA VIANA, CNPMS; MARCO AURELIO NOCE, CNPMS. |
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Título: |
Pesquisa, desenvolvimento e inovação em iLPF. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
In: BALBINO, L. C.; BARCELLOS, A. de O.; STONE, L. F. (Ed.). Marco referencial: integração lavoura-pecuária-floresta. Brasília, DF: Embrapa, 2011. p. 91-100. |
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Idioma: |
Português |
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Notas: |
Texto em português e inglês. |
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Palavras-Chave: |
Development; Ilpf; Pesquisa científica. |
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Categoria do assunto: |
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Marc: |
LEADER 00912naa a2200289 a 4500
001 1922886
005 2021-06-26
008 2011 bl --- 0-- u #d
100 1 $aSALTON, J. C.
245 $aPesquisa, desenvolvimento e inovação em iLPF.
260 $c2011
500 $aTexto em português e inglês.
653 $aDevelopment
653 $aIlpf
653 $aPesquisa científica
700 1 $aGODINHO, V. de P. C.
700 1 $aSANTOS, H. P. dos
700 1 $aRIBASKI, J.
700 1 $aWUNSCH, J. A.
700 1 $aNICODEMO, M. L. F.
700 1 $aRANGEL, J. H. de A.
700 1 $aMULLER, M. D.
700 1 $aSANTOS, J. C. F. dos
700 1 $aTEIXEIRA NETO, M. L.
700 1 $aVIANA, J. H. M.
700 1 $aNOCE, M. A.
773 $tIn: BALBINO, L. C.; BARCELLOS, A. de O.; STONE, L. F. (Ed.). Marco referencial: integração lavoura-pecuária-floresta. Brasília, DF: Embrapa, 2011. p. 91-100.
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Embrapa Rondônia (CPAF-RO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
06/12/2005 |
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Data da última atualização: |
06/12/2005 |
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Autoria: |
MARTINS, P. T.; NUNES, D.; PASINI, A.; BROWN, G. |
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Título: |
Comparison of three different sampling methods for earthworms in agricultural and natural ecosystems near Londrina, Brazil. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: ENCUENTRO LATINO-AMERICANO DE ECOLOGIA Y TAXONOMIA DE OLIGOQUETOS, 2., 2005, San Juan, Puerto Rico. [Resumenes]. San Juan, Puerto Rico: International Institute of Tropical Forestry: Fundación Puertorriqueña de Conservación, 2005. p. 37. |
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Idioma: |
Inglês |
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Conteúdo: |
Sampling earthworms is generally a labor intensive and time consuming activity and means of reducing the time and effort necessary to sample earthworm populations are always welcome. With this in mind, we set out to compare the traditional hand-sorting method to two alternatives: electro-shocking and dilute formalin expulsion. The following collection methods were used in anative forest 9secondary vegetation) and the edge of a marsh (cattai), and two agroecosystems: after sorghum harvest and a > 10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thieleman octet method) was performed over an area of approximately 0.4 m2 for 20 min and immediately thereafter, earthworms were handsorted from 0.16 m2 soil monoliths, to a depth of 30 cm, under the electro-shocked area. Formalin (0.5%) was applied over a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in a 70-m transect in the forest and the marsh and 5 samples were taken in the agroecosystems. All earthworms were killed in dilute ethyl alcohol (30%) and then fixed in formalin. All individuals collected with each method were-counted (separately into age classes), weighed and identified to species level (when possible). At all sites, electro-shocking yielded the fewest earthworms. Amynthas gracilis and Urobenus brasiliensis predominated in the forest, and Pontoscolex corethrurus dominated in the marsh where formalin worked best of all. Dichogaster spp. dominated in the agroecosystems, where handsorting worked best, yielding the most earthworms. Electroshocking and formalin appear to be interesting methods to sample mostly large, surface-active earthworms, whereas handsorting appears to be better suited for smaller, mostly endogeic earthworm species. MenosSampling earthworms is generally a labor intensive and time consuming activity and means of reducing the time and effort necessary to sample earthworm populations are always welcome. With this in mind, we set out to compare the traditional hand-sorting method to two alternatives: electro-shocking and dilute formalin expulsion. The following collection methods were used in anative forest 9secondary vegetation) and the edge of a marsh (cattai), and two agroecosystems: after sorghum harvest and a > 10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thieleman octet method) was performed over an area of approximately 0.4 m2 for 20 min and immediately thereafter, earthworms were handsorted from 0.16 m2 soil monoliths, to a depth of 30 cm, under the electro-shocked area. Formalin (0.5%) was applied over a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in a 70-m transect in the forest and the marsh and 5 samples were taken in the agroecosystems. All earthworms were killed in dilute ethyl alcohol (30%) and then fixed in formalin. All individuals collected with each method were-counted (separately into age classes), weighed and identified to species level (when possible). At all sites, electro-shocking yielded the fewest earthworms. Amynthas gracilis and Urobenus brasiliensis predominated in the forest, and Pontoscolex corethrurus dominated in the marsh where formalin worked best of all. Dichogaster spp. dominated in the agroecosy... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02447naa a2200157 a 4500
001 1468624
005 2005-12-06
008 2005 bl --- 0-- u #d
100 1 $aMARTINS, P. T.
245 $aComparison of three different sampling methods for earthworms in agricultural and natural ecosystems near Londrina, Brazil.
260 $c2005
520 $aSampling earthworms is generally a labor intensive and time consuming activity and means of reducing the time and effort necessary to sample earthworm populations are always welcome. With this in mind, we set out to compare the traditional hand-sorting method to two alternatives: electro-shocking and dilute formalin expulsion. The following collection methods were used in anative forest 9secondary vegetation) and the edge of a marsh (cattai), and two agroecosystems: after sorghum harvest and a > 10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thieleman octet method) was performed over an area of approximately 0.4 m2 for 20 min and immediately thereafter, earthworms were handsorted from 0.16 m2 soil monoliths, to a depth of 30 cm, under the electro-shocked area. Formalin (0.5%) was applied over a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in a 70-m transect in the forest and the marsh and 5 samples were taken in the agroecosystems. All earthworms were killed in dilute ethyl alcohol (30%) and then fixed in formalin. All individuals collected with each method were-counted (separately into age classes), weighed and identified to species level (when possible). At all sites, electro-shocking yielded the fewest earthworms. Amynthas gracilis and Urobenus brasiliensis predominated in the forest, and Pontoscolex corethrurus dominated in the marsh where formalin worked best of all. Dichogaster spp. dominated in the agroecosystems, where handsorting worked best, yielding the most earthworms. Electroshocking and formalin appear to be interesting methods to sample mostly large, surface-active earthworms, whereas handsorting appears to be better suited for smaller, mostly endogeic earthworm species.
700 1 $aNUNES, D.
700 1 $aPASINI, A.
700 1 $aBROWN, G.
773 $tIn: ENCUENTRO LATINO-AMERICANO DE ECOLOGIA Y TAXONOMIA DE OLIGOQUETOS, 2., 2005, San Juan, Puerto Rico. [Resumenes]. San Juan, Puerto Rico: International Institute of Tropical Forestry: Fundación Puertorriqueña de Conservación, 2005. p. 37.
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