1999
DOI: 10.1590/s0100-84041999000200006
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Number of buried seeds and seedlings emergence in cerradão, cerrado and gallery forest soils at Pedregulho, Itirapina (SP), Brazil

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Cited by 12 publications
(13 citation statements)
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“…This pattern is widely reported for many tropical systems (e.g., Veenendaal et al 1996, Sassaki et al 1999, Andrade 2002. It might result from a negative influence of depth on the detection of germination stimuli (Pearson et al 2002), to the greater probability of seed concentration near the surface, and/or to a decrease of nutrient concentration with depth (Sassaki et al 1999, B. Medina unpublished data).…”
Section: Discussionsupporting
confidence: 68%
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“…This pattern is widely reported for many tropical systems (e.g., Veenendaal et al 1996, Sassaki et al 1999, Andrade 2002. It might result from a negative influence of depth on the detection of germination stimuli (Pearson et al 2002), to the greater probability of seed concentration near the surface, and/or to a decrease of nutrient concentration with depth (Sassaki et al 1999, B. Medina unpublished data).…”
Section: Discussionsupporting
confidence: 68%
“…For instance, the genera Miconia and Tibouchina, which emerged in all physiognomies, have small seeds and photoblastically positive species (Pearson et al 2002) with high dormancy and fast germination after disturbance. These are common genera in the seed banks and in early regeneration in tropical forests and savannas (Sassaki et al 1999, Dupuy & Chazdon 1998, Baider et al 1999, Andrade 2002. The genera of Melastomataceae that emerged from the seed banks of rupestrian fields in "Serra do Cipó" are quite common also in the corresponding mature vegetation (Souza 1997), perhaps resulting in their abundance in our study.…”
Section: Discussionmentioning
confidence: 99%
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“…Ribeiro, dados não publicados; Ribeiro & Haridasan 1984;Haridasan 1987;Haridasan 1992;Sassaki et al 1999;Haridasan 2000;Costa & Araújo 2001;Ruggiero et al 2002). Como os valores dos macronutrientes, alumínio e pH do solo não diferiram entre as áreas, tanto nos perfis quanto nas amostras superficiais, o presente estudo obteve resultados distintos daqueles verificados por Alvim & Araújo (1952), Goodland (1971b), Goodland & Pollard (1973) e Lopes & Cox (1977) em outras localidades do Bioma Cerrado, onde os autores concluíram por uma maior fertilidade nos solos sob cerradão.…”
Section: Resultsunclassified
“…Entretanto, praticamente não há trabalhos que tenham avaliado o banco de sementes em áreas de cerrado nativo, ou mesmo tenham relacionado o efeito da queimada e de sistemas de cultivo sobre o banco de sementes dessas áreas. Na avaliação realizada por Sassaki et al (1999), determinou-se a densidade de sementes em área de cerrado sem queimada, no entanto não se identificaram as espécies. Para isso, faz-se, geralmente, a avaliação do banco de sementes pelo método de emergência de plântulas em casa de vegetação (Ball & Miller, 1989).…”
Section: Introductionunclassified