School Seminars and Colloquia

Statistical Approaches to Estimating Species Richness and Other Biodiversity indices

BELZ Lecture Series

by Anne Chao

Institution: Institute of Statistics, National Tsing Hua University, Hsin-Chu, Taiwan
Date: Tue 14th February 2006
Time: 3:15 PM
Location: Loew Theatre, Redmond Barry Building

Abstract: In this talk, statistical models and estimation procedures for estimating a variety of biodiversity indices are reviewed. The following topics are included:
(1) Species richness estimation: estimating the number of species in a community (or assemblage) based either on observed species frequencies or on multiple incidence data.
(2) Shared species richness: estimating the number of shared species for two communities based on sample data from each community.
(3) Prediction: predicting the number of new species that would be discovered in a second survey, based on frequency data from an initial survey.
(4) Diversity indices: estimating various diversity indices including Shannon’s entropy index and Simpson’s index in a community.
(5) Similarity indices: estimating various similarity indices for two communities. The incidence-based indices include the classic Jaccard and Sorenson indices, and the abundance-based indices include the Bray-Curtis, Morisita-Horn and two newly developed abundance-based Jaccard and Sorenson indices by Chao, Colwell, Chazdon and Shen (2005).
Program SPADE (Species Prediction And Diversity Estimation) is introduced to analyse the soil ciliates data collected from five continents and discussed in Chao, Li, Agatha and Foissner (2006).

The lecture will run for 2 hours.

For More Information: Richard Huggins,