Table 3.xls (5.5 kB)

Model selection analysis relating total bird species richness in summer to transect habitat; constant model (Null), Fire (2 levels), Grazing (3 levels), Fire + Grazing, Grass cover, Grass height, Dead grass and Grass cover + Grass height.

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posted on 05.10.2016 by David H. Maphisa, Hanneline Smit-Robinson, Les G. Underhill, Res Altwegg

The models were generalised linear mixed models assuming a Poisson response and log link function. Transect was treated as a random effect in all models. K is the number of parameters in a model, Delta AIC is the differences in AICs.