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The Center for Native Grasslands Management




Title: The effect of fire spatial scale on bison grazing intensity
Year: 2005
Author(s): Wallace, L. L., Crosthwaite, K. A.
Source Title: Landscape Ecology
Source Type: Journal
pages: 337-349
Original Publication: http://  
Abstract: Accomodation of important sources of uncertainty in ecological models is essential to realistically predicting ecological processes. The purpose of this project is to develop a robust methodology for modeling natural processes on a landscape while accounting for the variability in a process by utilizing environmental and spatial random effects. A hierarchical Bayesian framework has allowed the simultaneous integration of these effects. This framework naturally assumes variables to be random and the posterior distribution of the model provides probabilistic information about the process. Two species in the genus Desmodium were used as examples to illustrate the utility of the model in Southeast Missouri, USA. In addition, two validation techniques were applied to evaluate the qualitative and quantitative characteristics of the predictions.
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