1993
DOI: 10.2307/2845636
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The Significance of Historical Factors and Ecological Preference in the Distribution of African Pteridophytes

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1993
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Cited by 41 publications
(41 citation statements)
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“…This more direct relationship between climate and distribution makes ferns especially useful biogeographic tools. This relationship is often narrowly circumscribed, as both Given (1993) and KornaS (1993) have documented.…”
Section: Introductionmentioning
confidence: 99%
“…This more direct relationship between climate and distribution makes ferns especially useful biogeographic tools. This relationship is often narrowly circumscribed, as both Given (1993) and KornaS (1993) have documented.…”
Section: Introductionmentioning
confidence: 99%
“…Sua resistência ao fogo resulta de uma série de traços morfológicos e fi siológicos, que usualmente são reconhecidos como características das xerófi tas (Kornás, 1993). Poucas pteridófi tas estão aptas a persistir em ambientes sujeitos a intensas queimadas, sendo que somente algumas destas podem ser reconhecidas, devido a uma série de adaptações, como verdadeiras pirófi tas (Kornás, 1978 A base dos pecíolos e a densa camada de raízes adventícias na base do cáudice de C. atrovirens podem contribuir de maneira signifi cativa, para que os indivíduos atingidos pelo fogo não venham a perecer frente aos danos causados pela queimada.…”
Section: Resultsunclassified
“…They provide us a lot of information about the evolution of plants, their components and on evolutionary aspects of biogeography (Tryon and Tryon, 1982). Generally, the pteridophytes are distributed along a latitudinal gradient, with the highest diversity in the tropics (mainly in mountainous areas) (Kornas, 1993). The most common environmental variables related to floristic composition from local to regional scales are soil characteristics (nutrients content and texture), topography, (Vormisto and Svenning, 2004), moisture availability and the length of the dry period (Engelbrecht et al, 2005;Zuquimet al, 2009).…”
Section: Introductionmentioning
confidence: 99%