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    Author(s): Howard Stauffer; Nadav Nur
    Date: 2005
    Source: In: Ralph, C. John; Rich, Terrell D., editors 2005. Bird Conservation Implementation and Integration in the Americas: Proceedings of the Third International Partners in Flight Conference. 2002 March 20-24; Asilomar, California, Volume 2 Gen. Tech. Rep. PSW-GTR-191. Albany, CA: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station: p. 734-735
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (64.0 KB)

    Description

    The papers included in the Advances in Statistics section of the Partners in Flight (PIF) 2002 Proceedings represent a small sample of statistical topics of current importance to Partners In Flight research scientists: hierarchical modeling, estimation of detection probabilities, and Bayesian applications. Sauer et al. (this volume) examines a hierarchical model describing attributes and change of aggregates of bird populations using a Bayesian statistical inference approach with WinBUGS. They point out that Win- BUGS provides a user-friendly software environment for hierarchical modeling that more realistically describes many biological contexts. The authors of two papers focus on the issue of detection. Farnsworth et al. (this volume) presents a summary of detection probability estimation procedures, including distance sampling, double observer methods, time-depletion (removal) methods, and hybrid methods that combine these approaches. They conclude by presenting a method that combines distance and removal sampling methods, along with results. Earnst and Heltzel (this volume) describe estimates of detection ratios based upon songbird surveys as a function of species, forest type, and season. They report that detection ratios reflecting detectability differed with species (not surprising), but also with timing of surveys (even a couple of weeks makes a difference) and habitat. Stauffer et al. (this volume) describes a Bayesian interpretation of Akaike weights, useful for assessing the competitiveness of a collection of models with a series of datasets. They illustrate these ideas with habitat selection models for Northern Spotted Owl in California.

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    Citation

    Stauffer, Howard; Nur, Nadav. 2005. Advances in statistics. In: Ralph, C. John; Rich, Terrell D., editors 2005. Bird Conservation Implementation and Integration in the Americas: Proceedings of the Third International Partners in Flight Conference. 2002 March 20-24; Asilomar, California, Volume 2 Gen. Tech. Rep. PSW-GTR-191. Albany, CA: U.S. Dept. of Agriculture, Forest Service, Pacific Southwest Research Station: p. 734-735

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https://www.fs.usda.gov/treesearch/pubs/32057