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Full-Text Articles in Life Sciences
Response Of Bird Populations To Long-Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan, Robert A. Askins, Chad C. Jones
Response Of Bird Populations To Long-Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan, Robert A. Askins, Chad C. Jones
Biology Faculty Publications
We analyzed data from a woodland site for a 59-year period to determine whether changes in bird populations are related to changes in the diversity and relative abundance of woody plant species even when vegetation structure, degree of forest fragmentation in the surrounding landscape, and regional changes in bird populations are taken into account. Principal component analyses generated vegetation factors encompassing variables such as total basal area, shrub density, basal area of common tree species, and measures of tree and shrub species diversity. We also calculated a forest edge/ forest area index based on GIS analysis of the landscape within …