2013
DOI: 10.1016/j.actao.2012.10.008
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Spatio-temporal variation in a seed bank of a semi-arid region in northeastern Brazil

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Cited by 31 publications
(33 citation statements)
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“…Costa and Araújo (), Mamede and Araújo () and Silva et al . () claimed that the seed bank in the Caatinga is temporary and richer in herbaceous than in tree species. To estimate the seed bank, they used only the emergence method, that is, the counting of emerged seedlings in greenhouse trays.…”
Section: Discussionmentioning
confidence: 99%
“…Costa and Araújo (), Mamede and Araújo () and Silva et al . () claimed that the seed bank in the Caatinga is temporary and richer in herbaceous than in tree species. To estimate the seed bank, they used only the emergence method, that is, the counting of emerged seedlings in greenhouse trays.…”
Section: Discussionmentioning
confidence: 99%
“…The vertical distribution of the seed bank is derived from the action of different biotic and abiotic mechanisms for incorporation of seeds into the soil (Garwood, 1989). Most studies indicate higher seed abundance in the most superficial soil layers (Baider et al, 2001;Bossuyt et al, 2002;Costa & Araújo, 2003;Luzuriaga et al, 2005;Wang et al, 2009;Santos et al, 2010;Silva et al, 2013;Savadogo et al 2017), which is favored by constant seed replacement, which determines the maintenance of the species in the plant community (Bossuyt et al, 2002). However, few studies have shown variations in richness (Korb et al 2005;Wang et al, 2009;Jia et al, 2017), mainly due to the difficulty of species identification.…”
Section: /9mentioning
confidence: 99%
“…This species is a small shrub, 0.5-1.0 m, widely distributed and common in disturbed areas (Bovini et al, 2001). In addition, the Malvaceae family was also listed among the most representative in other studies that evaluated the seed bank in riparian forest (Tres et al, 2007) and Caatinga vegetation (Silva et al, 2013).…”
Section: /9mentioning
confidence: 99%
“…Também pode ocorrer maior dessecação das sementes no período seco diminuindo a riqueza e o quantitativo de sementes (WILLIAMS et al, 2005;. Outras Pesquisas também vêm descrevendo que, em alguns locais a densidade de sementes e a riqueza de espécies podem ser maiores em períodos secos (SANTOS et al, 2013;SILVA et al, 2013). Desta forma, tal fato está relacionado à persistência do banco de sementes do solo (ONAINDIA e AMEZAGA, 2000) e, por conseguinte, ao acúmulo da produção de sementes do ano anterior (SILVA et al, 2013) e dispersão de sementes quiescentes de espécies que frutificam apenas na estação seca.…”
Section: Fundamentação Teóricaunclassified