Ecology and Conservation of Neotropical Migrants in the Southern Appalachians

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This study seeks to develop an ecosystem level approach to understanding the conservation needs of Neotropical migratory birds in the southern Appalachians. Great Smoky Mountains National Park (GRSM) is being established as a control site for comparing trends in the distribution and abundance of forest bird populations compared with those from more disturbed habitats in the southern Appalachians. This study will contribute to an evaluation of the... more

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Project location(s):

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Data collection method(s):

Focal taxa:

Vegetation data collected?:

  • Yes

Locations georeferenced?:

  • Yes

Project start and end dates:

Start (Date/Time) End (Date/Time)
  • 1996
  • 1999

Database software:

Results summary:

  • For all years combined we established and censused 4,159 independent plots and conducted 3,414 repeat counts. In total, we recorded 74,797 individuals of 115 species. The increase in the total number of species observed over time is due to increased census coverage of the park, particularly in unique areas such as Cades Cove and The Purchase.
  • We did not detect any major differences in bird community composition or abundance between years. The relative abundance of some species did change from year to year, but these changes are consistent with differences in the sampling locations for each year.
  • In 1998 we combined census data with variables from the GRSM Geographic Information System (GIS) database to develop a logistic regression model for Wood Thrush. The model predicts the probability of detecting a Wood Thrush as a function of several habitat and topographic variables.

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