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Type: Artigo de periódico
Title: Seed dispersal of Solanum thomasiifolium Sendtner (Solanaceae) in the Linhares Forest, Espirito Santo state, Brazil
Author: Vasconcellos-Neto, J
de Albuquerque, LB
Silva, WR
Abstract: (Seed dispersal of Solanum thomasiifolium Sendtner (Solanaceae) in the Linhares Forest, Espirito Santo state, Brazil). The aim of this study was to analyse seed dispersal and establishment of Solanum thomasiifolium in all area of "nativo" vegetation in Espirito Santo state oil the southeastern Brazilian coast. Ten species of birds, the crab-eating fox (Cerdocyon thous), and one species of lizard (Tropidurus torquatus) fed oil S. thomasiifolium fruits and dispersed viable seeds in their faeces. The proportional contribution of each of these groups to seed dispersal was 77% (birds), 19% (crab-eating fox) and 4% (lizards). Ants also contributed to seed dispersal. More seeds were deposited in vegetation islands than ill the Surrounding open areas. Germination rates of seeds collected directly from fruit (control), bird droppings, the faeces of crab-eating foxes and lizards were, respectively, 64, 64, 53, and 80 %. Differences among these rates were all significant, except between birds and control. Lizards were important as seed carriers between nearby islands and they expelled a higher proportion of viable seeds. Birds and the crab-eating foxes did not enhance seed germination, but promoted seed dispersal over a wider area. Plant architecture, fruit productivity, fruit characteristics and the diversity of frugivores are important for the success of S. thomasiifolium in habitat colonization.
Subject: birds
crab-eating fox
seed deposition
Country: Brasil
Editor: Soc Botanica Brasil
Rights: aberto
Date Issue: 2009
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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