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The role of historical and ecological factors on initial survival of Copaifera langsdorffii Desf. (Fabaceae) Acta Botanica
Fagundes,Marcílio; Costa,Fernanda Vieira da; Antunes,Suélen Ferreira; Maia,Maria Luiza Bicalho; Queiroz,Antônio César Medeiros de; Oliveira,Leonardo Queiroz; Faria,Maurício Lopes de.
The plant population dynamic is affected by ecological and evolutionary processes that operate at all stages of the plant life cycle. The aim of this study was to characterize the seed and seedling performance of Copaifera langsdorffii by testing four hypotheses: the resource concentration hypothesis; the relationship between seed size and germinability hypothesis; the relationship between seed size and seedling vigor hypothesis; and the intraspecific seedling competition hypothesis. All seeds used in the experiments were collected from 35 C. langsdorffii plants located in a fragment of the Brazilian cerrado (savanna). The number of fruits per plant negatively affected Rhinochenus brevicollis attacks on C. langsdorffii seeds. Therefore, this result does...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plant competition; Predation; Rhinochenus brevicollis; Seed size; Seedling development.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000400005
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