Effects of basic real network features in model degree of fit as expressed by the NME.

Multiple regression analyses results reporting the F-statistics (F), degrees of freedom (df), determination coefficient (r2) and the partial regression coefficients of each of the following factors: animal species richness (A), plant species richness (P), connectance (C), relative nestedness (N*) and relative modularity (M*). Traces mean that the factor was not included in the best regression. The significance of each factor and the model as a whole is represented as follows:******NME for nestedness and the last for modularity.