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ESTUDO FITOGEOGRÁFICO DOS CAMPOS DE BUTANTÃ

Aylthon Brandão Joly
Boletim da Faculdade de Filosofia, Ciências e Letras, Universidade de São Paulo. Botânica
No. 8, ESTUDO FITOGEOGRÁFICO DOS CAMPOS DE BUTANTÃ (1950), pp. 5, 7, 9, 11, 13-68
Stable URL: http://www.jstor.org/stable/43601568
Page Count: 76
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ESTUDO FITOGEOGRÁFICO DOS CAMPOS DE BUTANTÃ
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Abstract

Êste trabalho é uma contribuição para o conhecimento da composição florística de campos, brejos e baixadas na região de São Paulo. O autor reúne na Introdução os dados mais importantes para a Ecologia, isto é dados históricos, geográficos, climatológicos e geológicos da região. Na 2ª parte são apresentadas extensas listas da vegetação dos campos, dos brejos, das baixadas, dos limites com matas, das ruderais e das principais plantas cultivadas nos terrenos da futura Cidade Unìversitária. Algumas das plantas, dertre as mais características e interessantes são figuradas em desenhos originais. Na 3ª parte são comparados florísticamente os vários habitats estudados, dando-se especial ênfase aos gêneros mais característicos. É feita menção nesta perte a grande número de plantas provindas de outras regiões fitogeográficas, especialmente de Napaea e Oreas, que aqui são encontradas em seus limites norte e sul respectivamente. A 4ª parte trata de dar pela primeira vez a distinção botânica entre um "campo cerrado", tendo sido tomado por base o de Lagoa Santa descrito por Warming (98), com os campos estudados. Salienta-se e estuda-se a importância do fogo como selecionador. This work is a contribution to the knowledge of the floristic composition of fields, marshy low lands and low lands in the region of São Paulo. In the introduction the most important data for an ecological consideration such as history, geography, climatic and geological information, are presented. The second part gives extensive lists regarding the vegetation of fields, marshy low lands, low lands, borders of forests and of the principal plants cultivated in the region. Some of the plants, among them the most characteristic and interesting ones, are shown in original designs. In the third part the various habitats studied are floristically compared, emphasis being laid upon the most characteristic species. This part also mentions the large number of plants originating from other phytogeographic regions, especially the NAPAEA and OREAS, which are found here in their northern and southern limits respectively. Part four, for the first time, tries to show the floristic differences existing between a "Campo cerrado" — taking as a basis for comparison that of Lagoa Santa described by Warmine (98) — and the region studied. The importance of fire as a selecting agent is pointed out.

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