Table 1.

Description of the variables used in this study.

Variable	Unit of Measure	Range	Description
Wetland size	hectares	13.3–2048
Isolation	meters	296–54,472
Distance to the coastline	meters	0–2050
Mean water level	dimensionless	1–11	1 = from 0 to 10 cm; 2 = from 10 to 20 cm; 3 = from 20 to 30 cm, etc.
Water salinity	dimensionless	0–3	0 = absent; 1 = localized; 2 = scattered; 3 = widespread
Water diversions	dimensionless	0–3	0 = absent; 1 = localized; 2 = scattered; 3 = widespread
Water discharges	dimensionless	0–2	0 = absent; 1 = localized; 2 = scattered
Tourism pressure	dimensionless	0–3	0 = absent; 1 = localized; 2 = scattered; 3 = widespread
Anthropization	dimensionless	0–2	0 = absent; 1 = localized; 2 = scattered
Number of species	dimensionless	2–32