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Deserts & Grasslands

Geography · रेगिस्तान और घास के मैदान

📋Quick Overview

Deserts are regions receiving less than 25 cm (10 inches) of rainfall annually. They can be hot (Sahara, Thar) or cold (Antarctic, Gobi). Grasslands are vast open areas dominated by grasses with few trees, found in both tropical and temperate zones. Different continents have their own grasslands with unique names.

Antarctic Desert is the LARGEST desert in the world (14 million sq km) — it is a COLD desert. Sahara is the largest HOT desert.

Atacama Desert (Chile) is the DRIEST place on Earth — some areas have had NO rainfall in recorded history

📖Major Deserts of the World

DesertLocationTypeArea (approx.)Key Facts
AntarcticAntarcticaCold14 million km²Largest desert in the world (by area), polar desert
ArcticArctic regionCold13.9 million km²Second largest desert, polar desert
SaharaNorth AfricaHot9.2 million km²Largest HOT desert, spans 11 countries, Nile is its only permanent river
ArabianArabian PeninsulaHot2.3 million km²Covers Saudi Arabia, Yemen, Oman, UAE; Rub' al Khali (Empty Quarter) is its largest sand desert
GobiMongolia & ChinaCold1.3 million km²Largest desert in Asia, cold desert, rain shadow of Himalayas
KalahariSouthern AfricaHot0.9 million km²Covers Botswana, Namibia, South Africa; San Bushmen inhabit it
PatagonianArgentinaCold0.67 million km²Largest desert in South America, cold desert in rain shadow of Andes
Thar (Great Indian)India & PakistanHot0.2 million km²India's largest desert, in Rajasthan; also called Marusthali; Luni is the only river
AtacamaChileHot/Coastal0.1 million km²DRIEST desert on Earth, some parts no rain ever recorded, rich in copper & lithium
NamibNamibiaCoastal0.08 million km²Oldest desert in the world (~55 million years), Skeleton Coast

📖Grasslands of the World

GrasslandLocationTypeKey Characteristics
PrairiesNorth America (USA, Canada)TemperateBread basket of the world, wheat farming, flat terrain
PampasSouth America (Argentina, Uruguay)TemperateCattle ranching, cowboys called 'Gauchos', fertile soil
SteppesCentral Eurasia (Russia, Ukraine, Mongolia)TemperateLargest temperate grassland, cold winters, nomadic herding
SavannaAfrica (Kenya, Tanzania, etc.)TropicalScattered trees, large wildlife (lion, elephant, zebra), Serengeti famous
VeldSouth AfricaTemperatePlateau grassland, mining region, three types: Highveld, Middleveld, Lowveld
DownsAustraliaTemperateSheep rearing, wool production, Murray-Darling basin region
CanterburyNew ZealandTemperateSheep farming, South Island
LlanosVenezuela & ColombiaTropicalOrinoco river basin, cattle ranching

📖Tropical vs Temperate Grasslands

📝Memory Tricks

📝Exam Corner — Most Asked Questions

📝Quick Revision — 15 One-Liners