ibi12127-sup-0001-AppendixS1-S4.docxWord document383K

Appendix S1. Correlations between the climatic variables considered in this study (r-values are shown)

Appendix S2. (A) Eigenvalues and percentage of variance explained by a Principal Component Analysis performed to reduce the size of the set of climatic variables. (B) Correlations between raw climatic variables and the first two PCA factors (PC1 and PC2)

Appendix S3. CERES plots of the variables included in the best GAMMs testing for variation in Water Pipit density

Appendix S4. List of the 15 models tested to explain Water Pipit density. Models were ranked by AIC (in bold, models within 2AIC of the minimum)


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