Results of the analysis

<b>1. Figures (folder)</b>: Manuscript figures<b>2.</b> <b>maps_abd (folder)</b>: Raster maps of the prediction of abundances for selected species<b>3. no_mod_selec: </b>3. 1 sps_traits_correlations_convex: Results for correlations between population abundance and niche-centroid distances for the first 3 principal components."Species": Species ID"SciName": Scientific name"n_train": Number of data points to train the niche-centroid distance models."n_abundance": Number of abundance points to test the relationship between population abundance and niche-centroid distance."Aquatic": Is it aquatic"Migratory": Is it migratory"BodyMass": Body Mass"PercentBBS": Percent of the distribution sampled in the Bird Breathing Survive."folder": Folder with the occurrence and abundance data for a species"Longitud": Decimal longitude"Latitud": Decimal latitude"n_test": Number of abundance data to test model predictions."PC1": Value for the 1 Principal Componet as extracted from Principal Components Raster Layers"PC2": Value for the 2 Principal Componet as extracted from Principal Components Raster Layers"PC3": Value for the 3 Principal Componet as extracted from Principal Components Raster Layers"in_convex3d": inside the 3-dimensional convex hull"covex_3d_euc": Ecuclidean distence to niche-centroid using 3 variables (using the first 3 PCs)"in_convex2d": inside the 2-dimensional convex hull"covex_2d_euc": Ecuclidean distence using 2 variables (using the first 2 PCs)"mahala_dist_3d": Mahalanobis distance to niche-centroid (using the first 3 PCs)"in_ellipsoid_2d": inside the 2-dimensional ellipsoid"ellipsoid3d_volume": 3 dimensional Ellipsoid volume (niche width)"mahala_dist_2d": Mahalanobis distance to niche-centroid (using the first 2 PCs)"in_ellipsoid_3d": inside the 2-dimensional ellipsoid"Abundance": Population abundance"rho_convex_3d": Rho value of the correlation between Euclidean distance (using the first 3 PCs) to niche-centroid and population abundance"pval_convex_3d": P-value of the correlation between Euclidean diarance (using the first 3 PCs) to niche-centroid and population abundance."rho_convex_2d": Rho value of the correlation between Euclidean distance (using the first 2 PCs) to niche-centroid and population abundance"pval_convex_2d": P-value of the correlation between Euclidean distance (using the first 3 PCs) to niche-centroid and population abundance."rho_mahalanobis_3d": Rho value of the correlation between Mahalanobis distance (using the first 3 PCs) to niche-centroid and population abundance"pval_mahalanobis_3d":P-value value of the correlation between Mahalanobis distance (using the first 3 PCs) to niche-centroid and population abundance"rho_mahalanobis_2d": Rho value of the correlation between Mahalanobis distance (using the first 2 PCs) to niche-centroid and population abundance"pval_mahalanobis_2d": P-value of the correlation between Mahalanobis distance (using the first 2 PCs) to niche-centroid and population abundance<br><b>4. plots:</b> Plots used to produce manuscript figures<b>5. selec_mods:</b> Tables of the results for each species analyzed using MVE model selection protocol. All the csv tables have the following columns:<br>"sp_name": Species name"fitted_vars": Variables used to generate the MVE."p_val": p-value of the rank correlation."omr_train": Omission rate for the training data set"omr_test": Omission rate for the testing data set<b>6. tables</b>: Multiple regression table for rho values as function of species traits