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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
19/07/2016 |
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Data da última atualização: |
06/01/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARVALHO, T. S.; JESUS, E. da C.; BARLOW, J.; GARDENER, T. A.; SOARES, I. C.; TIEDJE, J. M.; MOREIRA, F. M. de S. |
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Afiliação: |
TEOTONIO SOARES DE CARVALHO, UFLA; EDERSON DA CONCEICAO JESUS, CNPAB; JOS BARLOW, MUESEU EMILIO GOELDI; TOBY A. GARDNER, STOCKHOLME ENVIRONMENT INSTITUTE, SU; ISAAC CARVALHO SOARES, UFLA; JAMES M. TIEDJE, MICHIGAN STATE UNIVERSITY, USA; FATIMA MARIA DE SOUZA MOREIRA, UFLA. |
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Título: |
Land use intensification in the humid tropics increased both alpha and beta diversity of soil bacteria |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Ecology, 2 July 2016 |
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DOI: |
10.1002/ecy.1513 |
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Idioma: |
Inglês |
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Conteúdo: |
Anthropogenic pressures on tropical forests are rapidly intensifying, but our understanding of their implications for biological diversity is still very limited, especially with regard to soil biota, and in particular soil bacterial communities.
The authors evaluated bacterial community composition and diversity in the eastern Amazon, in the state of Pará, Brazi, looking at undisturbed primary forest, primary forests varyingly disturbed by fire, regenerating secondary forest, pasture, and mechanized agricultural areas. They found that land use intensification increased the observed bacterial diversity, and this effect was strongly associated with changes in soil pH. Moreover, land use intensification and subsequent changes in soil fertility, especially pH, altered the composition of bacterial communities, with communities in pastures and areas of mechanized agriculture most different from those in undisturbed primary forest. These results indicate conversion of tropical forest to other uses impacts soil bacteria not through loss of diversity, as previously thought, but mainly by changing the composition of bacterial communities, with unknown yet potentially important implications for ecological functions and services these communities perform. |
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Palavras-Chave: |
Eastern Amazon. |
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Thesaurus Nal: |
Bacterial communities. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01931naa a2200229 a 4500
001 2049113
005 2017-01-06
008 2016 bl --- 0-- u #d
024 7 $a10.1002/ecy.1513$2DOI
100 1 $aCARVALHO, T. S.
245 $aLand use intensification in the humid tropics increased both alpha and beta diversity of soil bacteria$h[electronic resource]
260 $c2016
520 $aAnthropogenic pressures on tropical forests are rapidly intensifying, but our understanding of their implications for biological diversity is still very limited, especially with regard to soil biota, and in particular soil bacterial communities. The authors evaluated bacterial community composition and diversity in the eastern Amazon, in the state of Pará, Brazi, looking at undisturbed primary forest, primary forests varyingly disturbed by fire, regenerating secondary forest, pasture, and mechanized agricultural areas. They found that land use intensification increased the observed bacterial diversity, and this effect was strongly associated with changes in soil pH. Moreover, land use intensification and subsequent changes in soil fertility, especially pH, altered the composition of bacterial communities, with communities in pastures and areas of mechanized agriculture most different from those in undisturbed primary forest. These results indicate conversion of tropical forest to other uses impacts soil bacteria not through loss of diversity, as previously thought, but mainly by changing the composition of bacterial communities, with unknown yet potentially important implications for ecological functions and services these communities perform.
650 $aBacterial communities
653 $aEastern Amazon
700 1 $aJESUS, E. da C.
700 1 $aBARLOW, J.
700 1 $aGARDENER, T. A.
700 1 $aSOARES, I. C.
700 1 $aTIEDJE, J. M.
700 1 $aMOREIRA, F. M. de S.
773 $tEcology, 2 July 2016
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Embrapa Agrobiologia (CNPAB) |
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