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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
31/08/2001 |
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Data da última atualização: |
31/08/2001 |
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Autoria: |
FELFILI, J. M. |
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Título: |
Floristic composition and phytosociology of the gallery forest alongside the Gama stream in Brasilia, DF, Brazil. |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Revista Brasileira de Botanica, Sao Paulo, v.17, n.1, p.1-11, 1994. |
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Idioma: |
Inglês |
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Conteúdo: |
Changes in floristic composition and structure in Gama gallery forest were studied over a six-year period. A 3.02 ha sample was assessed in 1985, 1988 and 1991 when all individuals with 31 cm girth at 1.30m above ground were measured. The soil is dystrophic and with a high aluminium content. Shannon's diversity index was 3.84 and Pielou's evenness index was 0.84. The richest families in number of species were Leguminosae, Myrtaceae an Rubiaceae, while the Leguminosae. Apocynaceae, Cunnoniaceae and Rutaceae made up most of the individuals. Density and basal area of the whole community changed little, in the range of 2 to 3% respectively, over the six years, but major changes, in the range of 15 to 40% were registered for some individual species. This indicates that the community structure is dynamic and that dominants may change with time |
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Palavras-Chave: |
Brasil; Brasilia; Distrito Federal; Fitossociologia; Ribeirao do Gama. |
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Thesagro: |
Cerrado; Composição Botânica; Mata Ciliar. |
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Thesaurus Nal: |
botanical composition; Brazil; plant ecology. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01582naa a2200253 a 4500
001 1546859
005 2001-08-31
008 1994 bl --- 0-- u #d
100 1 $aFELFILI, J. M.
245 $aFloristic composition and phytosociology of the gallery forest alongside the Gama stream in Brasilia, DF, Brazil.
260 $c1994
520 $aChanges in floristic composition and structure in Gama gallery forest were studied over a six-year period. A 3.02 ha sample was assessed in 1985, 1988 and 1991 when all individuals with 31 cm girth at 1.30m above ground were measured. The soil is dystrophic and with a high aluminium content. Shannon's diversity index was 3.84 and Pielou's evenness index was 0.84. The richest families in number of species were Leguminosae, Myrtaceae an Rubiaceae, while the Leguminosae. Apocynaceae, Cunnoniaceae and Rutaceae made up most of the individuals. Density and basal area of the whole community changed little, in the range of 2 to 3% respectively, over the six years, but major changes, in the range of 15 to 40% were registered for some individual species. This indicates that the community structure is dynamic and that dominants may change with time
650 $abotanical composition
650 $aBrazil
650 $aplant ecology
650 $aCerrado
650 $aComposição Botânica
650 $aMata Ciliar
653 $aBrasil
653 $aBrasilia
653 $aDistrito Federal
653 $aFitossociologia
653 $aRibeirao do Gama
773 $tRevista Brasileira de Botanica, Sao Paulo$gv.17, n.1, p.1-11, 1994.
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