Positive effect of seed size on seedling survival in fire-prone savannas of Australia, Brazil and West Africa

G Lahoreau, S Barot, J Gignoux, William Hoffman, Samantha Setterfield, Peter Williams

    Research output: Contribution to journalArticle

    Abstract

    All plant species face a fundamental reproductive trade-off: for a given investment in seed mass, they can produce either many small seeds or few large seeds. Whereas small seeds favour the germination of numerous seedlings, large seeds favour the survival of seedlings in the face of common stresses such as herbivory, drought or shade (Leishman et al. 2000). One mechanism explaining the better survival of large-seeded species is the seedling size effect (SSE) (Westoby et al. 1996): because seeds with large reserves result in bigger seedlings, seedlings from large-seeded species would have better access to light and/or to reliable water supply than seedlings from small-seeded species. Copyright � 2006 Cambridge University Press.
    Original languageEnglish
    Pages (from-to)719-722
    Number of pages4
    JournalJournal of Tropical Ecology
    Volume22
    Issue number6
    Publication statusPublished - 2006

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