Ib lub suab puam yog ib qho toj roob hauv pes uas nag los me ntsis tshwm sim thiab, yog li ntawd, cov neeg nyob ib puag ncig tsim tshwj xeeb biomes thiab ecosystems. Qhov tsis muaj cov nroj tsuag nthuav tawm qhov tsis muaj kev tiv thaiv saum npoo av rau denudation. Kwv yees li ib feem peb ntawm thaj av ntawm lub ntiaj teb yog arid lossis semi-arid. Qhov no suav nrog ntau thaj tsam qaum teb, qhov twg nag los me ntsis tshwm sim, thiab qee zaum hu ua Polar deserts lossis "cov suab puam txias". Cov suab puam tuaj yeem raug cais los ntawm cov dej nag uas ntog, los ntawm qhov kub thiab txias, los ntawm qhov ua rau desertification lossis los ntawm lawv qhov chaw nyob.
Ntawm no yog 20 cov suab puam loj tshaj plaws hauv ntiaj teb.
nyob qib | Suab puam | hom | Cheeb Tsam |
1. | Antarctic suab puam | Polar ice thiab tundra | 14,200,000 km2 (5,482,651 m²) |
2. | Arctic suab puam | Polar ice thiab tundra | 13,900,000 km2 (5,366,820 m²) |
3. | Sahara suab puam | Toj roob hauv pes | 9,200,000 km2 (3,552,140 m²) |
4. | Great Australian | Toj roob hauv pes | 2,700,000 km2 (1,042,476 m²) |
5. | Arabian suab puam | Toj roob hauv pes | 2,330,000 km2 (899,618 m²) |
6. | Gobi Suab puam | Lub caij ntuj no txias | 1,295,000 km2 (500,002 m²) |
7. | Kalahari Suab puam | Toj roob hauv pes | 900,000 km2 (347,492 m²) |
8. | Patagonian Suab puam | Lub caij ntuj no txias | 673,000 km2 (259,847 m²) |
9. | Syrian suab puam | Toj roob hauv pes | 500,000 km2 (193,051 m²) |
10. | Yawm Lub Tuam Txhab | Lub caij ntuj no txias | 492,098 km2 (190,000 m²) |
11. | Chihuahuan Suab puam | Toj roob hauv pes | 453,248 km2 (175,000 m²) |
12. | Karakum Suab puam | Lub caij ntuj no txias | 350,000 km2 (135,136 m²) |
13. | Colorado Plateau | Lub caij ntuj no txias | 337,000 km2 (130,116 m²) |
14. | Sonoran Suab puam | Toj roob hauv pes | 310,000 km2 (119,692 m²) |
15. | Kyzylkum Suab puam | Lub caij ntuj no txias | 300,000 km2 (115,831 m²) |
16. | Taklamakan Suab puam | Lub caij ntuj no txias | 270,000 km2 (104,248 m²) |
17. | Ogaden Suab puam | Toj roob hauv pes | 256,000 km2 (98,842 m²) |
18. | Thar Suab puam | Toj roob hauv pes | 238,254 km2 (91,990 m²) |
19. | Puntland Suab puam | Toj roob hauv pes | 200,000 km2 (77,220 m²) |
20. | Ustyurt Plateau | Temperate | 200,000 km2 (77,220 m²) |