1999
DOI: 10.1590/s0034-71081999000100017
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Fern spore bank at Pedregulho (Itirapina, São Paulo, Brazil)

Abstract: This paper presents an analysis of pteridophyte spore bank the site of Pedregulho, in Itirapina, state of São Paulo, Brazil. The samples of soil were collected in February (rainy season) and August (dry season) in four localities: open cerrado, cerradão, gallery forest and a disturbed area at depths of 0-5, 5-10 and 10-15 cm.The samples were collected in duplicate. Of the duplicates, one was used for spore counting and the second one for spore germination. In the cerrado, cerradão and gallery forest soil sampl… Show more

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Cited by 8 publications
(7 citation statements)
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“…The demonstration of viable spores in several other persistent soil banks creates possibilities for new approaches to conservation, including the restoration of populations by promoting germination of spores stored in soil (Dyer & Lindsay 1996). The present results plus the findings of spores of this species in samples of soils in two different cerrado regions in the state of São Paulo (Simabukuro et al 1998c(Simabukuro et al , 1999 show the potential of storage in soils (or soil banks) to recover viable spores of Cyathea delgadii. But it must be remembered that much more information on the ecology of gametophytes and sporeling establishment is also needed (Dyer & Lindsay 1996).…”
Section: Storagesupporting
confidence: 70%
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“…The demonstration of viable spores in several other persistent soil banks creates possibilities for new approaches to conservation, including the restoration of populations by promoting germination of spores stored in soil (Dyer & Lindsay 1996). The present results plus the findings of spores of this species in samples of soils in two different cerrado regions in the state of São Paulo (Simabukuro et al 1998c(Simabukuro et al , 1999 show the potential of storage in soils (or soil banks) to recover viable spores of Cyathea delgadii. But it must be remembered that much more information on the ecology of gametophytes and sporeling establishment is also needed (Dyer & Lindsay 1996).…”
Section: Storagesupporting
confidence: 70%
“…The high acidity and high aluminium concentration could be toxic to spores affecting their viability. However, these characteristics of the soil samples as well as the soil texture being either medium sandy or clayey (Sassaki et al 1999, Simabukuro et al 1999) did not inhibit the germination of C. delgadii spores although germination was low in some samples.…”
Section: Resultsmentioning
confidence: 89%
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“…É relativamente recente o conhecimento de uma situação semelhante ocorrendo nas samambaias e licófitas, que podem formar um banco de esporos, um reservatório de esporos de viáveis, mas dormentes, enterrado no solo. A maioria dos estudos ocupa-se apenas da quantidade de esporos viáveis encontrados nas amostras de solo, ao passo que poucos têm abordado com profundidade a composição de espécies representadas no solo, a estrutura do solo e a relação com população de samambaias e licófitas (Esteves & Dyer, 2003;Lindsay, 1995;Rydgren & Hestmark, 1997;Simabukuro et al, 1998bSimabukuro et al, , 1999. O conhecimento sobre o número de espécies e a maneira como estão representadas nos bancos do solo é um elemento essencial na descoberta do seu papel na natureza e ponto de partida para começar a entender a dinâmica dos bancos de esporos das samambaias e licófitas (Dyer & Lindsay, 1992;Esteves & Dyer, 2003).…”
Section: Introductionunclassified