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International Journal of Ecology
Volume 2015 (2015), Article ID 324048, 12 pages
Research Article

Recuperation of the Terra Firme Forest Understory Bird Fauna Eight Years after a Wildfire in Eastern Acre, Brazil

1Graduate Program in Ecology and the Management of Natural Resources, Acre Federal University, 69.915-900 Rio Branco, AC, Brazil
2Center for Biological and Natural Sciences, Laboratory of Ornithology, Acre Federal University, 69.915-900 Rio Branco, AC, Brazil

Received 26 March 2015; Revised 24 July 2015; Accepted 5 October 2015

Academic Editor: Panos V. Petrakis

Copyright © 2015 Tatiana Lemos da Silva et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The present study evaluated the characteristics of the understory bird fauna of four fragments of terra firme forest in eastern Acre, Brazil, that were impacted by wildfires in 2005. The study investigated the species richness and the composition of trophic guilds using mist-netting on eight transects (four in burned plots and four in control plots in the same forest fragments). Eight plots (0.12 ha) were also established parallel to each transect to record the number of live trees (DBH ≥ 10 cm), palms, and dead trees. Bamboo stems were quantified in 0.024 ha subplots. No significant difference was found between burned and control plots in the species richness or abundance of birds, nor was any significant pattern found in the NMDS ordination of the composition of the communities or guilds. The Principal Components Analysis (PCA) found that the burned plots were physiognomically distinct, due principally to the number of bamboo stems and dead trees. Multiple regressions based on the PCA scores and bird species richness and abundance found no significant trends. The findings of the present study indicate that the understory bird assemblage of the areas affected by a single wildfire in 2005 had almost totally recuperated eight years after this event.