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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
02/10/2008 |
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Data da última atualização: |
02/10/2008 |
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Autoria: |
SANTOS, E. M. R.; FRANKLIN, E.; LUIZÃO, F. J. |
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Título: |
Litter manipulation and associated invertebrate fauna in secondary forest, central Amazonia, Brazil. |
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Ano de publicação: |
2008 |
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Fonte/Imprenta: |
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. |
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Idioma: |
Inglês |
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Conteúdo: |
Plant litter from selected tree species have been used for improving soil productivity in low-input
systems of secondary vegetation in central Amazon, leading to different conditions for the soil
organisms. Soil animal assemblages were monitored to test the effects of adding litter types of
contrasting nutritional quality, and periods of exposure on the development of the invertebrate
community. We established four second growth plots with 80 subplots of 3 m2 from which the
original litter was removed and replaced in 60 subplots. Twenty subplots received Hevea
brasiliensis leaves, 20 others Carapa guianensis leaves, and another 20 an equal mixture of H.
brasiliensis, C. guianensis and Vismia guianensis. Twenty subplots were left with the original
litter. Litter and mineral soil (5 cm deep) sub-horizons were collected after 45, 100, 160, 240
and 300 days of exposure. The invertebrates were extracted using Kempson apparatus. At the
day 210th, the litter was replenished to match the surrounding litter. Regression analyses showed
no significant effect of litter type, but the period of exposure did affect the community in both subhorizons.
Only after the litter replacement, the type of litter and periods of exposure affected the
community in the litter sub-horizon. Because we tried to isolate the effects of litter composition
from other large-scale phenomena, several factors interfered in the experiment and potential
problems were identified to optimize the investigation. The results suggest that the sampling
design must be improved by using a larger number of subsamples for each kind of litter within
each plot. As the scale of the experiments was too small, future manipulations should be done
on much larger scale so that their effects on ecosystem processes can be evaluated, and the
replicates need to be spread over larger areas to capture the natural variations within ecosystems.
Financial support: SHIFT/ENV 052, CNPq/PNOPG: 55 04 09/01-7, CAPES. MenosPlant litter from selected tree species have been used for improving soil productivity in low-input
systems of secondary vegetation in central Amazon, leading to different conditions for the soil
organisms. Soil animal assemblages were monitored to test the effects of adding litter types of
contrasting nutritional quality, and periods of exposure on the development of the invertebrate
community. We established four second growth plots with 80 subplots of 3 m2 from which the
original litter was removed and replaced in 60 subplots. Twenty subplots received Hevea
brasiliensis leaves, 20 others Carapa guianensis leaves, and another 20 an equal mixture of H.
brasiliensis, C. guianensis and Vismia guianensis. Twenty subplots were left with the original
litter. Litter and mineral soil (5 cm deep) sub-horizons were collected after 45, 100, 160, 240
and 300 days of exposure. The invertebrates were extracted using Kempson apparatus. At the
day 210th, the litter was replenished to match the surrounding litter. Regression analyses showed
no significant effect of litter type, but the period of exposure did affect the community in both subhorizons.
Only after the litter replacement, the type of litter and periods of exposure affected the
community in the litter sub-horizon. Because we tried to isolate the effects of litter composition
from other large-scale phenomena, several factors interfered in the experiment and potential
problems were identified to optimize the investigation. The res... Mostrar Tudo |
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Categoria do assunto: |
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Marc: |
LEADER 02680naa a2200145 a 4500
001 1315004
005 2008-10-02
008 2008 bl uuuu u00u1 u #d
100 1 $aSANTOS, E. M. R.
245 $aLitter manipulation and associated invertebrate fauna in secondary forest, central Amazonia, Brazil.
260 $c2008
520 $aPlant litter from selected tree species have been used for improving soil productivity in low-input systems of secondary vegetation in central Amazon, leading to different conditions for the soil organisms. Soil animal assemblages were monitored to test the effects of adding litter types of contrasting nutritional quality, and periods of exposure on the development of the invertebrate community. We established four second growth plots with 80 subplots of 3 m2 from which the original litter was removed and replaced in 60 subplots. Twenty subplots received Hevea brasiliensis leaves, 20 others Carapa guianensis leaves, and another 20 an equal mixture of H. brasiliensis, C. guianensis and Vismia guianensis. Twenty subplots were left with the original litter. Litter and mineral soil (5 cm deep) sub-horizons were collected after 45, 100, 160, 240 and 300 days of exposure. The invertebrates were extracted using Kempson apparatus. At the day 210th, the litter was replenished to match the surrounding litter. Regression analyses showed no significant effect of litter type, but the period of exposure did affect the community in both subhorizons. Only after the litter replacement, the type of litter and periods of exposure affected the community in the litter sub-horizon. Because we tried to isolate the effects of litter composition from other large-scale phenomena, several factors interfered in the experiment and potential problems were identified to optimize the investigation. The results suggest that the sampling design must be improved by using a larger number of subsamples for each kind of litter within each plot. As the scale of the experiments was too small, future manipulations should be done on much larger scale so that their effects on ecosystem processes can be evaluated, and the replicates need to be spread over larger areas to capture the natural variations within ecosystems. Financial support: SHIFT/ENV 052, CNPq/PNOPG: 55 04 09/01-7, CAPES.
700 1 $aFRANKLIN, E.
700 1 $aLUIZÃO, F. J.
773 $tIn: 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.
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Registro original: |
Embrapa Florestas (CNPF) |
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Origem |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
22/03/2006 |
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Data da última atualização: |
01/11/2024 |
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Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
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Autoria: |
BRAZ, A. J. B. P.; FERREIRA, S. B.; SILVA, I. D. C. da; CARVALHO, W. P. de; SANTOS, C. A. G. dos; AGUIAR, P. A. de; ANDRADE, A. M. de; ROSA FILHO, S. N. da; PEIXOTO, N.; FARIA, L. C. de; MELO, L. C.; DEL PELOSO, M. J.; RAVA, C. A.; COSTA, J. G. C. da; TROVO, J. B. |
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Afiliação: |
ANTONIO JOAQUIM BRAGA PEREIRA BRAZ, UNIVERSIDADE DE RIO VERDE; SIMONE BORGES FERREIRA, AGENCIA RURAL; IDALINA DIAS CARNEIRO DA SILVA, AGENCIA RURAL; WELLINGTON PEREIRA DE CARVALHO, CPAC; CARLOS ALBERTO GOMES DOS SANTOS, CEFET; PAULO ANTONIO DE AGUIAR, UNIVERSIDADE LUTERANA DO BRASIL; ADIONELSON MOREIRA DE ANDRADE, AGENCIAL RURAL; SEBASTIÃO NUNES DA ROSA FILHO, CEFET; NEI PEIXOTO, UNIVERSIDADE ESTADUAL DE GOIÁS; LUIS CLAUDIO DE FARIA, CNPAF; LEONARDO CUNHA MELO, CNPAF; MARIA JOSE DEL PELOSO, CNPAF; CARLOS AGUSTIN RAVA SEIJAS, CNPAF; JOAQUIM GERALDO CAPRIO DA COSTA, CNPAF; JOSE BENEDITO DE FREITAS TROVO, CNPGC. |
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Título: |
Avaliação de linhagens e cultivares de feijoeiro comum do grupo preto, no Estado de Goiás e Distrito Federal, em 2003 e 2004. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
In: CONGRESSO NACIONAL DE PESQUISA DE FEIJÃO, 8., 2005, Goiânia. Anais... Santo Antônio de Goiás: Embrapa Arroz e Feijão, 2005. |
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Volume: |
v. 1. |
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Páginas: |
p. 334-337. |
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Série: |
(Embrapa Arroz e Feijão. Documentos, 182). |
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ISSN: |
1516-7518 |
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Idioma: |
Português |
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Conteúdo: |
O objetivo deste trabalho, via condução de ensaios de Valor de Cultivo e Uso - VCU, foi avaliar linhagens do feijoeiro comum do grupo preto, visando a indicação de novas cultivares para o Estado de Goiás e Distrito Federal. |
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Palavras-Chave: |
CONAFE; Distrito Federal; Goiás. |
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Thesagro: |
Feijão Preto; Linhagem; Melhoramento Genético Vegetal; Phaseolus Vulgaris. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/213950/1/CONAFE2005-p334.pdf
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Marc: |
LEADER 01517nam a2200397 a 4500
001 1213950
005 2024-11-01
008 2005 bl uuuu u00u1 u #d
022 $a1516-7518
100 1 $aBRAZ, A. J. B. P.
245 $aAvaliação de linhagens e cultivares de feijoeiro comum do grupo preto, no Estado de Goiás e Distrito Federal, em 2003 e 2004.$h[electronic resource]
260 $aIn: CONGRESSO NACIONAL DE PESQUISA DE FEIJÃO, 8., 2005, Goiânia. Anais... Santo Antônio de Goiás: Embrapa Arroz e Feijão$c2005
300 $ap. 334-337. v. 1.
490 $a(Embrapa Arroz e Feijão. Documentos, 182).$vv. 1.
520 $aO objetivo deste trabalho, via condução de ensaios de Valor de Cultivo e Uso - VCU, foi avaliar linhagens do feijoeiro comum do grupo preto, visando a indicação de novas cultivares para o Estado de Goiás e Distrito Federal.
650 $aFeijão Preto
650 $aLinhagem
650 $aMelhoramento Genético Vegetal
650 $aPhaseolus Vulgaris
653 $aCONAFE
653 $aDistrito Federal
653 $aGoiás
700 1 $aFERREIRA, S. B.
700 1 $aSILVA, I. D. C. da
700 1 $aCARVALHO, W. P. de
700 1 $aSANTOS, C. A. G. dos
700 1 $aAGUIAR, P. A. de
700 1 $aANDRADE, A. M. de
700 1 $aROSA FILHO, S. N. da
700 1 $aPEIXOTO, N.
700 1 $aFARIA, L. C. de
700 1 $aMELO, L. C.
700 1 $aDEL PELOSO, M. J.
700 1 $aRAVA, C. A.
700 1 $aCOSTA, J. G. C. da
700 1 $aTROVO, J. B.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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