Abstract #301323

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JSM 2002 Abstract #301323
Activity Number: 289
Type: Contributed
Date/Time: Wednesday, August 14, 2002 : 8:30 AM to 10:20 AM
Sponsor: Biometrics Section*
Abstract - #301323
Title: The Estimation of Species Diversity Over Time
Author(s): Christopher Mecklin*+
Affiliation(s): Murray State University
Address: 6A9 Faculty Hall, Murray, Kentucky, 42071, USA
Keywords: Species Diversity ; Gibbs Sampler ; Interval Estimation
Abstract:

Various methods for the comparison of the species diversity index for data collected over multiple periods of time are presented. These methods include the use of frequentist hypothesis testing procedures (e.g., t-test, ANOVA), randomization tests, bootstrap methods, and Bayesian estimation methods. In particular, Markov Chain Monte Carlo, via the Gibbs sampler, is presented as a method of comparing species diversity. Advantages and disadvantages of the various methodologies are given, along with examples concerning the diversity of freshwater mussels in the Ohio River and of dinosaurs in the late Cretaceous period.

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Revised March 2002