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    <subfield code="a">Forzza, Rafaela Campostrini </subfield>
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    <subfield code="a">Pifano, Daniel Salgado </subfield>
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    <subfield code="a">Oliveira-Filho, Ary Teixeira de </subfield>
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    <subfield code="a">Meireles, Leonardo Dias </subfield>
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    <subfield code="a">Faria, Patr&#xED;cia Lobo </subfield>
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    <subfield code="a">Salimena, F&#xE1;tima Regina </subfield>
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    <subfield code="a">Mynssen, Claudine M. </subfield>
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    <subfield code="a">Prado, Jefferson </subfield>
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  <datafield tag="245" ind1=" " ind2=" ">
    <subfield code="a">Flora vascular da Reserva Biol&#xF3;gica da Represa do Grama, Minas Gerais, e sua rela&#xE7;&#xE3;o flor&#xED;stica com outras florestas do sudeste brasileiro</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; Bibliography p. 289-292 (85 ref,). 5 tables; 4 illus.; Summaries (En, Pt) </subfield>
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Resumo

Este trabalho apresenta o levantamento flor&#xED;stico das plantas vasculares da Reserva Biol&#xF3;gica da Represa do
Grama, um remanescente de floresta estacional semidecidual do Dom&#xED;nio Atl&#xE2;ntico, situado no munic&#xED;pio
de Descoberto, Minas Gerais. Foram realizadas coletas quinzenais de material f&#xE9;rtil entre agosto de 1999 e
dezembro de 2004. Al&#xE9;m do levantamento, fez-se a compara&#xE7;&#xE3;o da composi&#xE7;&#xE3;o flor&#xED;stica atrav&#xE9;s de an&#xE1;lises
multivariadas de agrupamento com outras nove &#xE1;reas (3 de floresta estacional e 6 de ombr&#xF3;fila), cujos
levantamentos flor&#xED;sticos de angiospermas tiveram abordagem semelhante. Cada an&#xE1;lise foi processada para
o conjunto total das esp&#xE9;cies e para oito h&#xE1;bitos: &#xE1;rvores (incluindo arvoretas), arbustos, trepadeiras (lenhosas
e herb&#xE1;ceas), ervas terr&#xED;colas, ervas sax&#xED;colas, ep&#xED;fitas, hemiep&#xED;fitas e parasitas. Na ReBio do Grama foram
registradas 644 esp&#xE9;cies de angiospermas, distribu&#xED;das em 370 g&#xEA;neros e 100 fam&#xED;lias. Lic&#xF3;fitas e samambaias
est&#xE3;o representadas por 64 esp&#xE9;cies, distribu&#xED;das em 37 g&#xEA;neros e 16 fam&#xED;lias. Seis esp&#xE9;cies de angiospermas
foram descritas como novas para a ci&#xEA;ncia. Fabaceae (55 spp.) foi a fam&#xED;lia com maior riqueza espec&#xED;fica,
seguida de Rubiaceae (50 spp.), Melastomataceae (28 spp.), Bignoniaceae e Orchidaceae (27 spp. cada)
e Myrtaceae (25 spp.). As an&#xE1;lises multivariadas sugeriram que os gradientes longitudinais, latitudinais e
altitudinais interferem de formas distintas sobre os padr&#xF5;es de riqueza dos diferentes h&#xE1;bitos. O n&#xFA;mero
reduzido de esp&#xE9;cies compartilhadas entre as &#xE1;reas, associado com alta riqueza regionalizada de alguns
h&#xE1;bitos demonstra a import&#xE2;ncia da conserva&#xE7;&#xE3;o de fragmentos nas diferentes regi&#xF5;es geogr&#xE1;ficas da Floresta
Atl&#xE2;ntica como estrat&#xE9;gia para maximizar a conserva&#xE7;&#xE3;o da diversidade existente neste dom&#xED;nio fitogeogr&#xE1;fico.

Palavras-chave: composi&#xE7;&#xE3;o flor&#xED;stica, Mata Atl&#xE2;ntica, Zona da Mata.





Abstract

The vascular plants survey of a remnant of semideciduous seasonal forest in the Atlantic Forest Biome was
carried out in the ReBio do Grama, municipality of Descoberto, Minas Gerais, through forthnightly trips to
collect fertile specimens between August 1999 and December 2004. The angiosperms included 644 species
distributed in 370 genera and 100 families, including 6 species new to science, while the lycophytes and ferns
included 64 species in 37 genera and 16 families. Fabaceae (55 spp.) was the family with the highest number
of species, followed by Rubiaceae (50 spp.), Melastomataceae (28 spp.), Bignoniaceae and Orchidaceae (27
spp. each) and Myrtaceae (25 spp.). Once the survey was concluded, a comparison between it and the floristic
composition of other nine areas (3 of seasonal and 6 of dense ombrophilous forest) was performed through
multivariate analysis. These 9 sites were chosen as their surveys also included all angiosperm habits rather 
than only woody plants. Each analysis was processed for the all habits and then for each one of the following 8
habits: trees (including treelets), shrubs, climbers (woody and herbaceous), ground-dwelling herbs, rupicolous
herbs, epiphytes, hemiepiphytes, and parasites. Multivariate analysis suggested that the longitudinal, latitudinal
and altitudinal gradients interfere in different ways over the species richness of diverse habits. The reduced
number of species shared between areas, associated to the high regional richness of certain habits shows the
importance of conserving forest fragments in different geographical areas of the Atlantic Forest in order to
maximize the conservation of the biodiversity within this Domain.

Key words: floristic composition, Atlantic Forest Domain, Zona da Mata.</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">COMPOSI&#xC7;&#xC3;O BOT&#xC2;NICA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">MATA ATL&#xC2;NTICA</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">ZONA DA MATA</subfield>
  </datafield>
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    <subfield code="0">709</subfield>
    <subfield code="9">348695</subfield>
    <subfield code="d">Rio de Janeiro-RJ Jardim Botanico do Rio de Janeiro 1935</subfield>
    <subfield code="o">2025-1188</subfield>
    <subfield code="t">Rodrigu&#xE9;sia (Brazil)</subfield>
    <subfield code="x">0370-6583; 2175-7860 on-line</subfield>
    <subfield code="g">v. 65(2) p. 275-292; (2014)</subfield>
    <subfield code="w">BR2024004881</subfield>
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    <subfield code="u">https://www.scielo.br/j/rod/a/m7RbhCScffZmymd9j97xnwt/?format=pdf&amp;lang=pt</subfield>
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    <subfield code="c">ANA</subfield>
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