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Registros recuperados : 23 | |
1. | | MARTINS, P. T.; NUNES, D.; PASINI, A.; BROWN, G. Comparison of three different sampling methods for earthworms in agricultural and natural ecosystems near Londrina, Brazil. 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. Biblioteca(s): Embrapa Soja. |
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2. | | MARTINS, P. T.; BROWN, G; PASINI, A.; NUNES, D. Comparação de três métodos de coleta de minhocas em ecossistema agrícola e natural próximo a Londrina, Brasil. In: MOSTRA ACADÊMICA DE TRABALHOS EM AGRONOMIA, 9., 2005; JORNADA DE ATUALIZAÇÃO EM CIÊNCIAS AGRÁRIAS, 1.; MOSTRA ACADÊMICA DE TRABALHOS EM AGRONOMIA, 8., 2004, Londrina. [Resumos expandidos...]. Londrina: UEL, 2005. p. 130-131. 1 CD-ROM. Seção: Preservação Dos Recursos Naturais da IX MATA. Nome correto do terceiro autor: BROWN, G. G. Biblioteca(s): Embrapa Soja. |
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4. | | BROWN, G. G.; MARTINS, P. T.; MATSUMURA, C.; SILVA, S. H. da; FERRARI, E.; PASINI, A. Growth of Pontoscolex corethururus in soils of different textures and contents of organic matter. 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. 38. Biblioteca(s): Embrapa Soja. |
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5. | | FERNANDES, J. de O.; PASINI, A.; BROWN, G. G.; BARTZ, M. L. C.; MARTINS, P. T. Ants as bioindicators in agroecosystems of Londrina, PR, Brazil. In: INTERNATIONAL COLLOQUIUM ON SOIL ZOOLOGY, 15; INTERNATIONAL COLLOQUIUM ON APTERYGOTA, 12., 2008, Curitiba. Biodiversity, conservation and sustainabele management of soil animal: abstracts. Colombo: Embrapa Florestas. Editors: George Gardner Brown; Klaus Dieter Sautter; Renato Marques; Amarildo Pasini. 1 CD-ROM. Biblioteca(s): Embrapa Florestas. |
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6. | | BROWN, G. G.; KORASAKI, V.; MARTINS, P. T.; MATSUMURA, C.; SILVA, S. H. da; PASINI, A. Crescimento de Pontoscolex corethrurus em Latossolo Vermelho Escuro Eutroférrico com diferentes adições de areia e matéria orgânica. In: ENCONTRO LATINO-AMERICANO DE ECOLOGIA E TAXONOMIA DE OLIGOQUETAS, 3., 2007, Curitiba. Minhocas como bioindicadoras ambientais: princípios e práticas: anais. Colombo: Embrapa Florestas, 2008. 1 CD-ROM. Biblioteca(s): Embrapa Florestas. |
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7. | | FERNANDES, J. O.; MARTINS, P. T.; PASINI, A.; BROWN, G. G.; BRESCOVIT, A. D. Comunidade de aranhas de solo como indicador biológico em agrossistemas de Londrina, Paraná. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina. Desafios para o uso do solo com eficiência e qualidade ambiental: anais. Londrina: Embrapa Soja: IAPAR: Universidade Estadual de Londrina, 2008. 4 p. CD-ROM. FERTBIO 2008. Biblioteca(s): Embrapa Florestas. |
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10. | | KORASAKI, V.; PASINI, A.; BROWN, G. G.; BENITO, N. P.; MATSUMURA, C. Y.; MARTINS, P. T.; NONINO, M. C. Coleção didática da macrofauna invertebrada edáfica de ecossistemas do Paraná. In: MOSTRA ACADÊMICA DE TRABALHOS EM AGRONOMIA, 8., 2004, Londrina. Caderno de resumos. Londrina: UEL, 2004. p. 59. Biblioteca(s): Embrapa Soja. |
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11. | | VIEIRA, C. H. N.; MATTOS, L. M. de; MALAQUIAS, J. V.; AQUINO, F. de G.; MARTINS, P. T. de A. Spatial and temporal land use and land cover of the Upper Jardim River Basin, Distrito Federal, Brazil. Revista Brasileira de Geografia Física, v.11, n. 1, p. 85-98, 2018. Biblioteca(s): Embrapa Cerrados. |
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12. | | BROWN, G. G.; MARTINS, P. T.; MATSUMURA, C.; SILVA, S. H. da; FERRARI, E.; KORASAKI, V.; PASINI, A. Growth of Pontoscolex corethrurus in an oxisol mixed or not with different amounts of sand and/or organic matter. In: International Symposium on Earthworm Ecology, 8., 2006, Kraków. Abstracts... Kraków: Jagiellonian University, 2006. p. 61. Biblioteca(s): Embrapa Soja. |
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13. | | BROWN, G. G.; JAMES, S. W.; MARTINS, P. T.; NUNES, D. H.; PASINI, A.; SAUTTER, K. D. Diversity and distribution of exotic and invasive earthworms in Brazil. In: International Symposium on Earthworm Ecology, 8., 2006, Kraków. Abstracts... Kraków: Jagiellonian University, 2006. p. 23. Biblioteca(s): Embrapa Soja. |
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14. | | BROWN, G. G.; JAMES, S. W.; PASINI, A.; NUNES, D. H.; BENITO, N. P.; MARTINS, P. T.; SAUTTER, K. D. Exotic, peregrine, and invasive earthworms in Brazil: diversity, distribution, and effects on soils and plants. Caribbean Journal of Science, v. 42, n. 3, p. 339-358, 2006. Biblioteca(s): Embrapa Florestas. |
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15. | | BROWN, G. G.; JAMES, S. W.; PASINI, A.; NUNES, D. H.; BENITO, N. P.; MARTINS, P. T.; SAUTTER, K. D. Exotic, peregrine, and invasive earthworms in Brazil: diversity, distribution, and effects on soils and plants. Caribbean Journal of Science, v.42, n. 3, p. 339-358, 2006 Biblioteca(s): Embrapa Soja. |
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16. | | KORASAKI, V.; PASINI, A.; BROWN, G. G.; BENITO, N. P.; NUNES, D. H.; MATSUMURA, C. Y.; MARTINS, P. T.; NONINO, M. C. Coleção didática da macrofauna invertebrada edáfica de ecossistemas do Paraná. In: MOSTRA ACADÊMICA DE TRABALHOS EM AGRONOMIA, 9., 2005; JORNADA DE ATUALIZAÇÃO EM CIÊNCIAS AGRÁRIAS, 1.; MOSTRA ACADÊMICA DE TRABALHOS EM AGRONOMIA, 8., 2004, Londrina. [Resumos expandidos...]. Londrina: UEL, 2005. p. 86-88. 1 CD-ROM. Seção: Fitossanidade da VIII MATA. Biblioteca(s): Embrapa Soja. |
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17. | | BARTZ, M. L. C.; PASINI, A.; RALISCH, R.; DORIOZ, J.; OLIVEIRA, C. S.; MARTINS, P. T.; FERNANDES, J. de O.; BROWN, G. G. Diversidade, densidade populacional e biomassa de minhocas em cultivos de café orgânico e convencional. In: ENCONTRO LATINO-AMERICANO DE ECOLOGIA E TAXONOMIA DE OLIGOQUETAS, 3., 2007, Curitiba. Minhocas como bioindicadoras ambientais: princípios e práticas: anais. Colombo: Embrapa Florestas, 2008. 1 CD-ROM. Biblioteca(s): Embrapa Florestas. |
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18. | | FERNANDES, J. de O.; PASINI, A. MOTTE, B.; NUNES, D. H.; MARTINS, P. T.; BARTZ, M. L. C.; BENITO, N. P.; BROWN. G. G. Macrofauna invertebrada edáfica em ecossistemas de Jaguapitã - PR. In: CONGRESSO BRASILEIRO DE ZOOLOGIA, 27., 2008. [Resumos]. [Curitiba]: Sociedade Brasileira de Zoologia, 2008. Área: Entomologia. Resumo P-1408. 1 CD-ROM. Biblioteca(s): Embrapa Florestas. |
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19. | | MARTINS, P. T.; NUNES, D. H.; PASINI, A.; MOTTE, B.; SANTOS, A. A. dos; SILVA, S. H. da; BROWN, G. G. Efficiency of electroshocking and formol extraction of earthworms compared to handsorting in agricultural and natural ecosystems near Londrina, Brazil. In: International Symposium on Earthworm Ecology, 8., 2006, Kraków. Abstracts... Kraków: Jagiellonian University, 2006. p. 76. Biblioteca(s): Embrapa Soja. |
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Registros recuperados : 23 | |
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Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
21/08/2008 |
Data da última atualização: |
06/04/2009 |
Autoria: |
MARTINS, P. T.; NUNES, D. H.; PASINI, A.; MOTTE, B.; SANTOS, A. A. dos; SILVA, S. H. da; BROWN, G. G. |
Título: |
Efficiency of electroshocking and formol extraction of earthworms compared to handsorting in agricultural and natural ecosystems near Londrina, Brazil. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
In: International Symposium on Earthworm Ecology, 8., 2006, Kraków. Abstracts... Kraków: Jagiellonian University, 2006. p. 76. |
Idioma: |
Inglês |
Conteúdo: |
Sampling of 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. Therefore, in the present study, we compared the efficiency of two "quicker" and "easier" alternatives (electro-shocking and dilute-formalin expulsion) in relation to the traditional hand-sorting method. Sampling was performed in four ecosystems: 1) Native forest (secondary vegetation); 2) edge of a cattail marsh; 3) sorghum croppìng (after harvest); and 4) a >10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thielemann 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, directly underneath the electro-shocked area. Formalin (0.5%) was applied to a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in the forest and the marsh and 5 samples were taken in the agroecosystems. Earthworms were killed in 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). Earthworm diversity was always higher with the handsorting method (forest = 8 spp., crop system = 6 spp., swamp = 3 spp., pasture = 2 spp.). Formol and electro-shocking yielded at most 3 species only, generally the fastermoving epigeics and poly-humic endogeics. Amynthas gracilis and Urobenus brasiliensis predominated in the forest, Pontoscolex corethrurus dominated in the marsh and various Dichogaster spp. dominated in the agroecosystems. Earthworm abundance was highest in the cropping system, followed by the forest, swamp and pasture. Efficiency of the sample methods depended on the ecosystem, the species and the measurement in question. At all sites, electro-shocking yielded the fewest earthworms, and the extraction efficiency, was generally low for the total earthworm population: from 0% in the pasture, where the soil was compact and drier, to around 20-30% in the remaining ecosystems. Formalin expulsion was also less efficient than handsorting (10-25%), except in the forest, where it yielded 5 times as many earthworms, primarily due to its efficient sampling of Amynthas and Urobenus spp. Electro-shocking 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. Ideally, a combination of both methods should be attempted, to adequately sample both large and faster moving earthworms often missed by handsorting, and smaller, endogeic earthworms, not adequately sampled with formol or electricity. MenosSampling of 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. Therefore, in the present study, we compared the efficiency of two "quicker" and "easier" alternatives (electro-shocking and dilute-formalin expulsion) in relation to the traditional hand-sorting method. Sampling was performed in four ecosystems: 1) Native forest (secondary vegetation); 2) edge of a cattail marsh; 3) sorghum croppìng (after harvest); and 4) a >10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thielemann 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, directly underneath the electro-shocked area. Formalin (0.5%) was applied to a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in the forest and the marsh and 5 samples were taken in the agroecosystems. Earthworms were killed in 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). Earthworm diversity was always higher with the handsorting method (forest = 8 spp., crop system = 6 spp., swamp = 3 spp., pasture = 2 spp.). Formol and electro-shocking yielded at most 3 species only, generally the fastermoving epigeics a... Mostrar Tudo |
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LEADER 03499naa a2200193 a 4500 001 1470763 005 2009-04-06 008 2006 bl --- 0-- u #d 100 1 $aMARTINS, P. T. 245 $aEfficiency of electroshocking and formol extraction of earthworms compared to handsorting in agricultural and natural ecosystems near Londrina, Brazil. 260 $c2006 520 $aSampling of 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. Therefore, in the present study, we compared the efficiency of two "quicker" and "easier" alternatives (electro-shocking and dilute-formalin expulsion) in relation to the traditional hand-sorting method. Sampling was performed in four ecosystems: 1) Native forest (secondary vegetation); 2) edge of a cattail marsh; 3) sorghum croppìng (after harvest); and 4) a >10 yr old Cynodon spp. pasture grazed by horses. Electro-shocking (Thielemann 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, directly underneath the electro-shocked area. Formalin (0.5%) was applied to a 1 m2 area, 5-m away, and the surfacing earthworms collected. Eight samples were taken in the forest and the marsh and 5 samples were taken in the agroecosystems. Earthworms were killed in 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). Earthworm diversity was always higher with the handsorting method (forest = 8 spp., crop system = 6 spp., swamp = 3 spp., pasture = 2 spp.). Formol and electro-shocking yielded at most 3 species only, generally the fastermoving epigeics and poly-humic endogeics. Amynthas gracilis and Urobenus brasiliensis predominated in the forest, Pontoscolex corethrurus dominated in the marsh and various Dichogaster spp. dominated in the agroecosystems. Earthworm abundance was highest in the cropping system, followed by the forest, swamp and pasture. Efficiency of the sample methods depended on the ecosystem, the species and the measurement in question. At all sites, electro-shocking yielded the fewest earthworms, and the extraction efficiency, was generally low for the total earthworm population: from 0% in the pasture, where the soil was compact and drier, to around 20-30% in the remaining ecosystems. Formalin expulsion was also less efficient than handsorting (10-25%), except in the forest, where it yielded 5 times as many earthworms, primarily due to its efficient sampling of Amynthas and Urobenus spp. Electro-shocking 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. Ideally, a combination of both methods should be attempted, to adequately sample both large and faster moving earthworms often missed by handsorting, and smaller, endogeic earthworms, not adequately sampled with formol or electricity. 700 1 $aNUNES, D. H. 700 1 $aPASINI, A. 700 1 $aMOTTE, B. 700 1 $aSANTOS, A. A. dos 700 1 $aSILVA, S. H. da 700 1 $aBROWN, G. G. 773 $tIn: International Symposium on Earthworm Ecology, 8., 2006, Kraków. Abstracts... Kraków: Jagiellonian University, 2006. p. 76.
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