| In fact, this subzone had more in common with Priorat than the rest of the Tarragona region. |
| In this subzone, herbaceous dicots, grasses, rushes, and cryptogams are dominant, and woody plants and sedges are absent. |
| On the north the Trans-Alai subzone is bounded by the deep Trans-Alai fracture, separating the Pamirs from the Alai system. |
| It is separated from the Trans-Alai subzone by the Karakul fracture, through which flows the Kyzylsu-Surkhob-Vakhsh river system. |
| The Paleozoic subzone of the northern Pamirs is a huge uplift with a complex internal structure. |
| Within these two zones, a subzone is recognized as the Railway Development Zone. |
