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 | Acesso ao texto completo restrito à biblioteca da Embrapa Meio Ambiente. Para informações adicionais entre em contato com cnpma.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
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Data corrente: |
18/05/2007 |
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Data da última atualização: |
18/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CAVALETT, O.; QUEIROZ, J. F. de; ORTEGA, E. |
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Afiliação: |
OTÁVIO CAVALETT, LEIA - Departamento de Engenharia de Alimentos - FEA-UNICAMP; JULIO FERRAZ DE QUEIROZ, CNPMA; ENRIQUE ORTEGA, LEIA - Departamento de Engenharia de Alimentos - FEA-UNICAMP. |
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Título: |
Emergy assessment of integrated production systems of grains, pig and fish in small farms in the South Brazil. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
Ecological Modelling, v. 193, n. 3-4, p. 239-256, mar. 2006. |
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Idioma: |
Inglês |
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Conteúdo: |
The present study uses emergy methodology to evaluate environmental aspects of integrated production systems of grains, pig and fish in small farms in the South region of Brazil. New emergy parameters that use partial renewability factor of each input were used to improve emergy accounting. These parameters were already applied to different case studies and are very appropriate for use in emergy assessment of integrated agricultural systems. The following indicators were calculated for the integrated production system of grains, pig and fish: transformity: 948,000 sej/J; renewability: 24%; emergy yield ratio: 1.44; 8; environmental loading ratio: 3.13 and emergy exchange ratio: 6.8. These values were compared with results calculated for grains, pig and fish production subsystems working in a separated way. The results obtained signalize that an integrated system has better emergy efficiency, is more sustainable and is less stressful on the environment in comparison with separated production subsystems. The emergy indicators presented are discussed in the text and they will be useful in further work to assist the formulation of public policy, and also to recommend better management practices to farmers. |
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Palavras-Chave: |
Aspectos ambientais; Environmental conditions; Indicadores; Metodologia; Sistemas de produção integrada. |
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Thesagro: |
Aquicultura; Pequeno Produtor; Piscicultura; Suinocultura. |
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Thesaurus Nal: |
Emergy; Environmental sustainability. |
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Categoria do assunto: |
A Sistemas de Cultivo |
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Marc: |
LEADER 02067naa a2200277 a 4500
001 1015435
005 2022-04-18
008 2006 bl uuuu u00u1 u #d
100 1 $aCAVALETT, O.
245 $aEmergy assessment of integrated production systems of grains, pig and fish in small farms in the South Brazil.$h[electronic resource]
260 $c2006
520 $aThe present study uses emergy methodology to evaluate environmental aspects of integrated production systems of grains, pig and fish in small farms in the South region of Brazil. New emergy parameters that use partial renewability factor of each input were used to improve emergy accounting. These parameters were already applied to different case studies and are very appropriate for use in emergy assessment of integrated agricultural systems. The following indicators were calculated for the integrated production system of grains, pig and fish: transformity: 948,000 sej/J; renewability: 24%; emergy yield ratio: 1.44; 8; environmental loading ratio: 3.13 and emergy exchange ratio: 6.8. These values were compared with results calculated for grains, pig and fish production subsystems working in a separated way. The results obtained signalize that an integrated system has better emergy efficiency, is more sustainable and is less stressful on the environment in comparison with separated production subsystems. The emergy indicators presented are discussed in the text and they will be useful in further work to assist the formulation of public policy, and also to recommend better management practices to farmers.
650 $aEmergy
650 $aEnvironmental sustainability
650 $aAquicultura
650 $aPequeno Produtor
650 $aPiscicultura
650 $aSuinocultura
653 $aAspectos ambientais
653 $aEnvironmental conditions
653 $aIndicadores
653 $aMetodologia
653 $aSistemas de produção integrada
700 1 $aQUEIROZ, J. F. de
700 1 $aORTEGA, E.
773 $tEcological Modelling$gv. 193, n. 3-4, p. 239-256, mar. 2006.
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| 3. |  | RIBEIRO, I. M.; BORGES, C. C. H.; ARBEX, W. A.; SILVA, B. Z. da. Programação genética com inicialização baseada em floresta randômica em estudos de associação do genooma completo. In: INTERNATIONAL SODEBRAS CONGRESS, 35., 2016, Foz do Iguaçu. Anais... Publicado na Revista Sodebras, v. 11, n. 129, set. 2016. 6 p.| Tipo: Artigo em Anais de Congresso |
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