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Corpus Systématique Animale

Titre du document

Trophic structure of a neotropical frugivore community: is there competition between birds and bats?

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Springer (journals)
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Mots-clés d'auteur
  • Competition
  • Frugivory
  • Piper
  • Community
  • Structure
  • Seed dispersal
Nom du fichier dans la ressource
  • J. M. Palmeirim 1,2
  • D. L. Gorchoy 3
  • S. Stoleson 4
  • 1) Museum of Natural History, 66045, Lawrence, KS, USA
  • 2) Department of Systematics and Ecology, 66045, Lawrence, KS, USA
  • 3) Department of Biology, University of Michigan, 48109-1048, Ann Arbor, MI, USA
  • 4) 10 Lounsbury Rd., 06611, Trumbull, CT, USA

Dietary overlap and competition between frugivorous birds and bats in the Neotropics have been presumed to be low, but comparative data have been lacking. We determined the diets of volant frugivores in an early successional patch of Costa Rican wet forest over a one month period. Ordination of the diet matrix by Reciprocal Averaging revealed that birds and bats tend to feed on different sets of fruits and that diets differed more among bat species than among bird species. However, there was overlap between Scarlet-rumped Tanagers and three Carollia bat species on fruits of several Piper species which comprised most of the diet of these bats. Day/night exclosure experiments on P. friedrichsthalli treetlets provided evidence that birds deplete the amount of ripe fruit available to bats. These results indicate that distantly related taxa may overlap in diet and compete for fruit, despite the apparent adaptation of animal-dispersed plant species for dispersal by particular animal taxa.

Catégories Science-Metrix
  • 1 - natural sciences
  • 2 - biology
  • 3 - ecology
Catégories INIST
  • 1 - sciences appliquees, technologies et medecines
  • 2 - sciences biologiques et medicales
  • 3 - sciences biologiques fondamentales et appliquees. psychologie
  • 4 - ethologie animale
Catégories Scopus
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Ecology, Evolution, Behavior and Systematics
Catégories WoS
  • 1 - science ; 2 - ecology
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