Data/hora: 13/06/2024 08:50:00

Provedor de dados: 	39	
País: 	Brazil	
Título: 	Effects of gut passage on the germination of seeds ingested by didelphid marsupials in a neotropical savanna	
Autores: 	Lessa,Leonardo Guimarães; Geise,Lena; Costa,Fabiane Nepomuceno.	
Data: 	2013-09-01	
Ano: 	2013	
Palavras-chave: 	Cerrado; Frugivory; Scarification; Seed dispersal; Zoochory.	
Resumo: 	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 germinated seeds), indicating that didelphid gut passage does not always benefit seed germination. The average germination time of consumed seeds ranged from 12 days (Cipocereus minensis (Werderm.) Ritter) to 171 days (Cordiera sessilis (Vell.) Kuntze). The small number of seeds destroyed after gut passage and the results obtained during the germination experiments underscore the importance of didelphid marsupials to the dynamics of plant reproduction, especially those of small-seeded cerrado species.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000300009	
Editor: 	Sociedade Botânica do Brasil	
Relação: 	10.1590/S0102-33062013000300009	
Formato: 	text/html	
Fonte: 	Acta Botanica Brasilica  v.27 n.3 2013	
Fonte: 	info:eu-repo/semantics/openAccess