Fig. 3

Decision tree for the shoreline classification into different permeability classes and their assigned shoreline length (in grey; total combined shoreline length: 2.1 * 106 km). Class names: B1: Sandy shore low waves; B2: Sandy shore mid waves; B3: Sandy shore high waves; P: concreted shore; M2: Mangrove shore; M1: Muddy shore; R: Rocky shore; C: Coral shore; SU: Not assigned shoreline.