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Effects of gut passage on the germination of seeds ingested by didelphid marsupials in a neotropical savanna Acta Botanica
Lessa,Leonardo Guimarães; Geise,Lena; Costa,Fabiane Nepomuceno.
We analyzed the effects that passage through the guts of seven didelphid species had on the seed germination of 10 plant species. This study was conducted in an area of riparian woodland in a cerrado (savanna) reserve in southeastern Brazil. We found seeds of 23 angiosperm species in 427 fecal samples obtained from seven didelphid species. The plant families most often represented by the seeds found in the fecal samples were Melastomataceae (5 species) and Rubiaceae (4 species) . Most gut-passed seeds showed no significant difference in germinability when compared with the hand-extracted seeds. Among the ingested seeds, only those of Clidemia urceolata DC. (Melastomataceae) and Myrcia sp. (Myrtaceae) showed an increase in germinability (final proportion of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado; Frugivory; Scarification; Seed dispersal; Zoochory.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000300009
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