Table 7.

Characterization of snail traits according to Falkner et al. 2001 [50]

Trait	Explanation	Unity
Shell size	Maximal height of an oblong shell or the maximal diameter of a depressed shell in mm; in case of globose/conical shells, whichever measure has the greater value is considered	mm
Number of offspring	Numbers of eggs/juveniles per clutch	1–10, 11–100, > 100
Light preference	Degree to which species occur in direct sunlight or shaded conditions	Deep shade, light shade, no shade, indifferent
Humidity preference	Degree to which species occur at wet or dry conditions	Wet, moist and dry
Drought resistance	Degree to which species can survive dry periods	Hours, days, weeks, months
Inundation tolerance	Degree to which species are tolerant to inundation	Low, moderate, high