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The responses of understorey birds to forest fragmentation, logging and wildfires: An Amazonian synthesis |
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| Authors: | J Barlow CA Peres PC Stouffer JM Wunderle |
| Institution: | a Centre for Ecology, Evolution and Conservation, School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, United Kingdom b Museu Paraense Emílio Goeldi (MPEG), Coordenação de Ciências da Terra e Ecologia, Av. Perimetral 1901, Bairro Terra Firme, Belém-Pará 66077-530, Brazil c School of Renewable Natural Resources, 227 RNR Building, Louisiana State University, Baton Rouge, LA 70803-6202, USA d Biological Dynamics of Forest Fragments Project, Instituto Nacional de Pesquisas da Amazônia, CP 478, Manaus, AM 69011-970, Brazil e International Institute of Tropical Forestry, USDA Forest Service, P.O. Box 507, Palmer, Puerto Rico 00721, United States |
| Abstract: | We combine mist-net data from 24 disturbance treatments taken from seven studies on the responses of understorey Amazonian birds to selective logging, single and recurrent wildfires, and habitat fragmentation. The different disturbance treatments had distinct effects on avian guild structure, and fire disturbance and the isolation of forest patches resulted in bird communities that were most divergent from those in continuous, undisturbed forest in terms of their species composition. Although low-intensity logging treatments had the least noticeable effects, the composition of understorey birds was still markedly different from the composition in undisturbed forest. This analysis demonstrates the importance of preventing habitat fragmentation and the spread of fires in humid tropical forests, and highlights the need for more research to determine the long-term suitability of large areas of degraded forest for forest birds. |
| Keywords: | Tropical forest Forest conservation Wildlife Birds Logging Fragmentation Fire Amazon Brazil Venezuela |
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