Linked from
The 13 pages that link to Stratosphere, each with the reason it gives.
Ozone layerNarrower topic: The ozone layer occupies part of this broader atmospheric region.
TroposphereCompared with: Its contrasting temperature profile separates it from the troposphere.
Polar vortexNarrower topic: The best-known polar vortex occupies this layer during winter.
MesosphereRelated: It directly underlies the mesosphere and helps define its lower boundary.