Resource Details

Patch size effects on avian foraging behaviour: implications for tropical forest restoration design

Literature: Journal Articles

Morrison, E. B., Lindell, C. A., Holl, K. D., & Zahawi, R. A. 2010. Patch size effects on avian foraging behaviour: implications for tropical forest restoration design. Journal of Applied Ecology, vol. 47 no. 1, pp. 130-138.

Contact Info

Corresponding author: ebmorris@msu.edu

Affiliations

  • Department of Zoology, Michigan State University, 203 Natural Science Bldg, East Lansing, MI 48823, USA
  • Center for Global Change and Earth Observations, Michigan State University, 218 Manly Miles Bldg, East Lansing, MI 48823, USA
  • Department of Environmental Studies, University of California, Santa Cruz, CA 95064, USA
  • Organization for Tropical Studies, Apdo 73-8257, San Vito de Coto Brus, Costa Rica

Link(s)

Journal of Applied Ecology

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Species Info

  • Terminalia amazonica
  • Vochysia guatemalensis
  • Erythrina poeppigiana
  • Inga edulis

Description

  • This study looks at bird behavior in restoration sites in southern Costa Rica. While multiple studies examine the presence of birds in restored forest, few studies examine behavior in these sites.
  • The restoration sites were 4-5 years old, planted with Terminalia amazonica, Vochysia guatemalensis, Erythrina poeppigiana, andInga edulis. Initial planting were conducted in restoration patches of 50m x 50m, planted either entirely or in small mini-patches, but patches were reclassified at the time of study into smaller (100s of square meters) and larger (1000s of square meters).
  • Four species of insectivorous and omnivorous bird species were monitored: Cherrie’s tanager (Ramphocelus costaricensis), rufouscapped warbler (Basileuterus rufifrons), common tody-flycatcher (Todirostrum cinereum) and plain wren (Thryothorus modestus)
  • Researchers found greater foraging success (higher prey attack rate and lower search effort) in larger patches for three of the four bird species monitored.
  • Arthropod abundance was higher in the larger patches (measured by gram of arthropod biomass / gram of clipped vegetation). Researchers also examined bird vigilance (in response to perceived predation), but results were less conclusive.
  • Authors conclude that limited resources in small patches could have long term effects on the fitness of birds, and that restoration activities should focus on larger patches when possible.

Geographical Region

  • Southern Central America
  • Country

  • Costa Rica
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