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    Avian density and productivity studies and analysis on the Pawnee Site in 1972

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    http://hdl.handle.net/10217/15970
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    Abstract
    Accuracy of several avian census methods was investigated on ten 8.1-ha plots and along a 39.4-km roadside count. Methods included spot-mapping, flushing, total counts, ratios, and roadside and Emlen strip count procedures. Another index of breeding activities was obtained through live-trapping, banding, and color-marking. Data were gathered on nesting success, nesting phenology, nest site selectivity, and growth dates for nestlings.
    Author(s)
    Porter, David K.; Ryder, Ronald A.; Colorado State University. Natural Resource Ecology Laboratory; U.S. International Biological Program. Grassland Biome

    Date Issued
    1974
    Format
    born digital; technical reports
    Collections
    • Technical Reports - International Biological Program (IBP)

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