Micro-scale habitat associations of woody plants in a neotropical cloud forest

Alicia Ledo*, David F. R. P. Burslem, Sonia Condés, Fernando Montes

*Corresponding author for this work

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Questions: Species-habitat associations may contribute to the maintenance of species richness in tropical forests, but previous research has been conducted almost exclusively in lowland forests and has emphasized the importance of topography and edaphic conditions. Is the distribution of woody plant species in a Peruvian cloud forest determined by microhabitat conditions? What is the role of environmental characteristics and forest structure in habitat partitioning in a tropical cloud forest? Location: Cloud Forest, north Peruvian Andes. Methods: We examined species-habitat associations in three 1-ha plots using the torus-translation method. We used three different criteria to define habitats for habitat partitioning analyses, based on microtopography, forest structure and both sets of factors. The number of species associated either positively or negatively with each habitat was assessed. Results: Habitats defined on the basis of environmental conditions and forest structure discriminated a greater number of positive and negative associations at the scale of our analyses in a tropical cloud forest. Conclusions: Both topographic conditions and forest structure contribute to small-scale microhabitat partitioning of woody plant species in a Peruvian tropical cloud forest. Nevertheless, canopy species were most correlated with the distribution of environmental variables, while understorey species displayed associations with forest structure.

Original languageEnglish
Pages (from-to)1086-1097
Number of pages12
JournalJournal of Vegetation Science
Volume24
Issue number6
Early online date20 Dec 2012
DOIs
Publication statusPublished - Nov 2013

Keywords

  • Andes
  • Dispersal limitation
  • Habitat partitioning
  • Montane tropical forest
  • Peru
  • Spatial pattern
  • Species co-existence

ASJC Scopus subject areas

  • Ecology
  • Plant Science

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