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The Azteca‐Cecropia Association: Are Ants Always Necessary for Their Host Plants?
Author(s) -
Fáveri Sarita B.,
Vasconcelos Heraldo L.
Publication year - 2004
Publication title -
biotropica
Language(s) - Portuguese
Resource type - Journals
SCImago Journal Rank - 0.813
H-Index - 96
eISSN - 1744-7429
pISSN - 0006-3606
DOI - 10.1111/j.1744-7429.2004.tb00359.x
Subject(s) - cecropia , biology , amazonian , herbivore , amazon rainforest , myrmecophyte , ecology , pollen , nectar
We assessed the effects of Azteca alfari presence on herbivory and growth of saplings for two Amazonian Cecropia species. For both species, rates of herbivory were low and did not differ between ant‐removed and ant‐maintained plants. Plant growth, measured over six months, was also similar among treatments. This is the first experiment to show that in its native mainland habitat, Cecropia may suffer low incidence of attack by insect herbivores in the absence of associated ants. RESUMEN Nós testamos os efeitos da presença de Azteca alfari sobre a herbivoria e crescimento em arvoretas de duas espécies de Cecropia , na Amazo̧nia. Para ambas espécies, as taxas de herbivoria foram baixas e não diferiram entre plantas que tiveram as formigas removidas ou mantidas. O crescimento das plantas, medido após seis meses, também foi similar entre os tratamentos. Este é o primeiro experimento que mostra que em seu hábitat natural, Cecropia pode sofrer baixa incidȩncia de ataque por herbivoros na ausȩncia das formigas associadas.

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