a SSP is the abbreviation of Shared Socio-economic
Pathways. b-k were the short name for following
species distribution models. They are Artificial Neural Network (ANN),
Classification Tree Analysis (CTA), Flexible Discriminant Analysis
(FDA), Generalized Additive Model (GAM), Generalized Boosting Model
(GBM), Generalized Linear Model (GLM), Multiple Adaptive Regression
Splines (MARS), Maximum Entropy (MAXENT), Random Forests (RF) and
Surface Range Envelop (SRE).