Altitude

Low altitude

Mid-altitude

High altitude

Extremely high

altitude

relief

<1000

1000 - 3500

3500 - 5000

>5000

Plain (<30)

Low altitude plain

Mid-altitude plain

High altitude plain

Extremely high altitude plain

Platform > 30

Low altitude

platform

Mid-altitude platform

High altitude platform

Extremely high altitude platform

Hills < 200

Low altitude hills

Mid-altitude hills

High altitude hills

Extremely high altitude hills

Small-relief mountain 200 - 500

Small-relief low

mountain

Small-relief mid-mountain

Small-relief high mountain

Small-relief Extremely high mountain

Mid-relief mountain

500 - 1000

Mid-relief low

mountain

Mid-relief mid-mountain

Mid-relief high mountain

Mid-relief Extremely high mountain

Big-relief mountain 1000 - 2500

Big-relief mid-mountain

Big-relief high mountain

Big-relief Extremely high mountain

Extremely Big-relief mountain > 2500

Extremely Big-relief high mountain

Extremely Big-relief Extremely high mountain