Ferguson zones

 

Ferguson or UV-zones are sun exposure groups with a range of UVI waarden in which species of reptiles can be allocated based upon it's basking behaviour in their natural environment.

 

Zone Characteristics Zone range uvi Max uvi
Ferguson zone 1 Crepuscular or shade dweller, thermal conformer 0 - 0,7 0,6 - 1,4
Ferguson zone 2 Partial sun/occasional basker, thermoregulator 0,7 - 1,0 1,1 - 3,0
Fergoson zone 3 Partial or full sun basker, thermoregulator 1,0 - 2,6 2,9 - 7,4
Ferguson zone 4 Mid-day sun basker, thermoregulator 2,6 - 3,5 4,5 - 9,5