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A probabilistic test of the neutral model

Date: 
Thursday 23rd November 2006 - 09:00 to 10:00
Venue: 
INI Seminar Room 1
Session Chair: 
FG Ball
Abstract: 

A neutral model of community dynamics has been built using the hierarchical Bayesian framework and fitted with Markov Chain Monte Carlo methods to three community datasets. To fit the data well, the model would need parameter values that are impossible. This suggests that variation in species abundances cannot be explained solely by random drift between species as suggested by the neutral model.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons