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Registro Completo |
Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Unidades Centrais. |
Data corrente: |
01/12/2009 |
Data da última atualização: |
18/06/2018 |
Autoria: |
HASEGAWA, M.; SUGIURA, S.; ITO, M. T.; YAMAKI, A.; HAMAGUCHI, K.; KISHIMOTO, T.; OKOCHI, I. |
Afiliação: |
Motohiro Hasegawa, Forestry and Forest Products Research Institute - FFPRI/Kiso Experimental Station; Shinji Sugiura, Forestry and Forest Products Research Institute - FFPRI; Masamichi T. Ito, Surugadai University/Department of Economics; Aska Yamaki, Yokohama National University/Faculty of Environment and Information Sciences; Keiko Hamaguchi, FFPRI/Kansai Research Center; Toshio Kishimoto, Japan Wild Life Research Center; Isamu Okochi, Forestry and Forest Products Research Institute - FFPRI. |
Título: |
Community structures of soil animals and survival of land snails on an island of the Ogasawara Archipelago. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 8, p. 896-903, ago. 2009. |
Idioma: |
Inglês |
Notas: |
Título em português: Estruturas de comunidades de animais de solo e sobrevivência dos caracóis terrestres numa ilha do Arquipélago Ogasawara. |
Conteúdo: |
Abstract ? On Chichijima, one of the Ogasawara (Bonin) Islands located in the Western Pacific Ocean, land snails have declined, the suggested cause being predation pressure by an invasive flatworm (Platydemus manokwari). Soil fauna were investigated in areas where the snail survives, and where it has become extinct. Much of the fauna, dominated by introduced earthworms and ants, was undiminished, however, one undescribed but endemic carabid (Badister sp.), which selectively feeds on land snails, was absent in snail-extinct areas. The invasive flatworm P. manokwari has been reported to feed also on the carcasses of earthworms, as well as on live snails, and is therefore expected to occur in most parts of Chichijima Island. Among other groups, the density of isopods (also dominated by exotic species) was very low, in comparison with the reported ones 30 years ago. Community structure is currently reflected by dominance of earthworms and ants, decline of endemic isopods, and a high frequency of introduced or alien species. |
Palavras-Chave: |
Animais de solo; Badister; Carabídeo endêmico; Platydemus manokwari; Sobrevivência dos caracóis terrestres. |
Thesagro: |
Fauna Edáfica. |
Thesaurus Nal: |
Formicidae; Isopoda; Oligochaeta; Platyhelminthes. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/106044/1/Community-structures.pdf
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Marc: |
LEADER 02111naa a2200325 a 4500 001 1660639 005 2018-06-18 008 2009 bl uuuu u00u1 u #d 100 1 $aHASEGAWA, M. 245 $aCommunity structures of soil animals and survival of land snails on an island of the Ogasawara Archipelago. 260 $c2009 500 $aTítulo em português: Estruturas de comunidades de animais de solo e sobrevivência dos caracóis terrestres numa ilha do Arquipélago Ogasawara. 520 $aAbstract ? On Chichijima, one of the Ogasawara (Bonin) Islands located in the Western Pacific Ocean, land snails have declined, the suggested cause being predation pressure by an invasive flatworm (Platydemus manokwari). Soil fauna were investigated in areas where the snail survives, and where it has become extinct. Much of the fauna, dominated by introduced earthworms and ants, was undiminished, however, one undescribed but endemic carabid (Badister sp.), which selectively feeds on land snails, was absent in snail-extinct areas. The invasive flatworm P. manokwari has been reported to feed also on the carcasses of earthworms, as well as on live snails, and is therefore expected to occur in most parts of Chichijima Island. Among other groups, the density of isopods (also dominated by exotic species) was very low, in comparison with the reported ones 30 years ago. Community structure is currently reflected by dominance of earthworms and ants, decline of endemic isopods, and a high frequency of introduced or alien species. 650 $aFormicidae 650 $aIsopoda 650 $aOligochaeta 650 $aPlatyhelminthes 650 $aFauna Edáfica 653 $aAnimais de solo 653 $aBadister 653 $aCarabídeo endêmico 653 $aPlatydemus manokwari 653 $aSobrevivência dos caracóis terrestres 700 1 $aSUGIURA, S. 700 1 $aITO, M. T. 700 1 $aYAMAKI, A. 700 1 $aHAMAGUCHI, K. 700 1 $aKISHIMOTO, T. 700 1 $aOKOCHI, I. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 44, n. 8, p. 896-903, ago. 2009.
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Embrapa Unidades Centrais (AI-SEDE) |
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Registro Completo
Biblioteca(s): |
Embrapa Agricultura Digital. |
Data corrente: |
03/06/1997 |
Data da última atualização: |
15/08/2007 |
Autoria: |
OLIVEIRA, P. C. de; CARDOZO, E. |
Afiliação: |
EMBRAPA-CNPTIA. |
Título: |
Mobile agent-based systems: an alternative paradigm for distributed systems development. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
In: SIMPOSIO BRASILEIRO DE REDES DE COMPUTADORES, 15., 1997, Sao Carlos. Anais... Sao Carlos: SBC : LARC, 1997. |
Páginas: |
p. 508-516 |
Idioma: |
Inglês |
Conteúdo: |
Agent-based systems (ABS) constitute an alternative to distributed systems development. The terms agent and agent-based system, although widely used, to do not have yet a consensus definition. This paper presents concepts and a set of characteristics concerning agenthood. Mobility, in addition to the fundamental characteristcs of agenthood, makes mobile agent-based systems (MABS) a unique approach to distributed systems development. Issues regarding frameworks that support mobile agent-bases systems are also addressed in this paper. Finally, a set of existing frameworks is a assessed based on some of the addressed issues. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01112naa a2200145 a 4500 001 1004359 005 2007-08-15 008 1997 bl uuuu u00u1 u #d 100 1 $aOLIVEIRA, P. C. de 245 $aMobile agent-based systems$ban alternative paradigm for distributed systems development. 260 $c1997 300 $ap. 508-516 520 $aAgent-based systems (ABS) constitute an alternative to distributed systems development. The terms agent and agent-based system, although widely used, to do not have yet a consensus definition. This paper presents concepts and a set of characteristics concerning agenthood. Mobility, in addition to the fundamental characteristcs of agenthood, makes mobile agent-based systems (MABS) a unique approach to distributed systems development. Issues regarding frameworks that support mobile agent-bases systems are also addressed in this paper. Finally, a set of existing frameworks is a assessed based on some of the addressed issues. 700 1 $aCARDOZO, E. 773 $tIn: SIMPOSIO BRASILEIRO DE REDES DE COMPUTADORES, 15., 1997, Sao Carlos. Anais... Sao Carlos: SBC : LARC, 1997.
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