Network structure in dry forest and rainforest in relation to null
models
Contrary to our predictions (Table 1), when data from seasons were
pooled we found that El Niño was associated with similar changes to
network structure in relation to the null models for both dry forest and
rainforest (Figures 2-3). Compared to their respective null models,
networks were more compartmentalized (Rainforest – mean= 1.38; SD=
0.59; p-value< 0.05; Dry forest – mean= 1.14; SD= 0.36;
p-value< 0.01), less nested (weighted NODF) (Rainforest –
mean= 20.92; SD= 0.08; p-value< 0.01; Dry forest – mean=
22.37; SD= 3.61; p-value= 0.01), less connected (weighted connectance)
(Rainforest – mean= 0.12; SD= 0.01; p-value< 0.01; Dry forest
– mean= 0.14; SD= 0.01; p-value= 0.01), and more modular (Rainforest –
mean= 0.35; SD= 0.07; p-value= 0.01; Dry forest – mean= 0.41; SD= 0.02;
p-value= 0.00) (Table 2).