Publication details

Analysis of plant abundances of a savanna woodland in Zimbabwe using generalized linear model



Year of publication 2005
Type Article in Periodical
Magazine / Source South African Statistical Journal
MU Faculty or unit

Faculty of Economics and Administration

Field Applied statistics, operation research
Keywords bundance; herbivores; multi-species; woody; Poisson distribution; generalized linear model; link function
Description It has been verified that Poisson distribution with parameters depending on soil and stocking rate covariates can be used for modelling the number of plants of considered species. The generalized linear model was used for the evaluation of influence of large herbivores on the number of plants of considered species. Results are presented graphically and in tables. The model works well and it highlighted the importance of which herbivore species are present and their relative stocking rates as well as the importance of the stocking rate of all animals present in determining the numbers of plants a woody plant species is present in.
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