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Effect of seed removal by ants on the host-epiphyte associations in a tropical dry forest of central Mexico.
Vergara-Torres, Carmen Agglael; Corona-López, Angélica Ma; Díaz-Castelazo, Cecilia; Toledo-Hernández, Víctor Hugo; Flores-Palacios, Alejandro.
Afiliação
  • Vergara-Torres CA; Centro de Investigación en Biodiversidad y Conservación (CIByC), Universidad Autónoma del Estado de Morelos, Av. Universidad, Col. Chamilpa, Cuernavaca, Morelos, México.
  • Corona-López AM; Centro de Investigación en Biodiversidad y Conservación (CIByC), Universidad Autónoma del Estado de Morelos, Av. Universidad, Col. Chamilpa, Cuernavaca, Morelos, México.
  • Díaz-Castelazo C; Red Ecología Funcional, Instituto de Ecología, A. C. Carretera Antigua a Coatepec, El Haya, Xalapa, Veracruz, México.
  • Toledo-Hernández VH; Centro de Investigación en Biodiversidad y Conservación (CIByC), Universidad Autónoma del Estado de Morelos, Av. Universidad, Col. Chamilpa, Cuernavaca, Morelos, México.
  • Flores-Palacios A; Centro de Investigación en Biodiversidad y Conservación (CIByC), Universidad Autónoma del Estado de Morelos, Av. Universidad, Col. Chamilpa, Cuernavaca, Morelos, México.
AoB Plants ; 10(5): ply056, 2018 Oct.
Article em En | MEDLINE | ID: mdl-30338050
Seed depredation is recognized as a determining factor in plant community structure and composition. Ants are primary consumers of seeds influencing abundance of epiphytes on trees. This study was conducted in two subunits of a tropical dry forest established on different soil substrates in San Andrés de la Cal, Tepoztlán, in Morelos, Mexico, and experimentally tested whether seed removal activity is higher in tree species with smaller epiphyte loads compared to those with greater epiphyte loads. Five trees were selected at random from six species of trees with high (preferred hosts) or low (limiting hosts) epiphyte loads. Seed removal differed among hosts and different soil substrates in the forest. On relating seed removal to the abundance of arboreal ants, the most consistent pattern was that lower seed removal was related to lower ant abundance, while high seed removal was associated with intermediate to high ant abundance. Epiphyte seed removal by ants influences epiphyte abundance and can contribute considerably to a failure to establish, since it diminishes the quantity of seeds available for germination and establishment.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Risk_factors_studies País/Região como assunto: Mexico Idioma: En Revista: AoB Plants Ano de publicação: 2018 Tipo de documento: Article País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Risk_factors_studies País/Região como assunto: Mexico Idioma: En Revista: AoB Plants Ano de publicação: 2018 Tipo de documento: Article País de publicação: Reino Unido