Ecoregions

102 WWF terrestrial ecoregions

Biodiversity Heatmap

Species count by biogeographic realm and taxonomic class

Realm	Acidimicrobiia	Acidobacteriae	Aconoidasida	Actinomycetia	Actinopterygii	Aenigmatarchaeia	Agaricomycetes	Alphaproteobacteria
Afrotropic	—	—	1	—	—	—	1	—
Australasia	—	—	—	—	1	—	—	—
Indomalaya	—	—	—	—	1	—	1	—
Nearctic	—	—	—	—	—	—	—	—
Neotropic	—	—	—	—	—	—	1	—
Oceania	—	—	—	—	1	—	—	—
Palearctic	—	—	—	—	1	—	1	—
Antarctic	—	—	—	—	—	—	—	—

Low

High

Deserts & Xeric Shrublands (102)

Carnarvon xeric shrublands

Australasia 84302 km²

Central Ranges xeric scrub

Australasia 287406 km²

Gibson desert

Australasia 156294 km²

Great Sandy-Tanami desert

Australasia 823779 km²

Great Victoria desert

Australasia 422466 km²

Nullarbor Plains xeric shrublands

Australasia 197228 km²

Pilbara shrublands

Australasia 178231 km²

Simpson desert

Australasia 583937 km²

Western Australian Mulga shrublands

Australasia 461958 km²

Tirari-Sturt stony desert

Australasia 308047 km²

Aldabra Island xeric scrub

Afrotropic 159 km²

East Saharan montane xeric woodlands

Palearctic 27776 km²

Eritrean coastal desert

Afrotropic 4576 km²

Hobyo grasslands and shrublands

Afrotropic 13389 km²

Ile Europa and Bassas da India xeric scrub

Afrotropic 22 km²

Kalahari xeric savanna

Afrotropic 685551 km²

Djibouti xeric shrublands

Afrotropic 236721 km²

Gariep Karoo

Afrotropic 251666 km²

Kaokoveld desert

Afrotropic 33158 km²

Nama Karoo shrublands

Afrotropic 161740 km²

Namaqualand-Richtersveld steppe

Afrotropic 52849 km²

Southwest Arabian coastal xeric shrublands

Afrotropic 41303 km²

Southwest Arabian Escarpment shrublands and woodlands

Afrotropic 100313 km²

Southwest Arabian highland xeric scrub

Afrotropic 32523 km²

Madagascar spiny thickets

Afrotropic 43294 km²

Succulent Karoo xeric shrublands

Afrotropic 57022 km²

Madagascar succulent woodlands

Afrotropic 79496 km²

Namib Desert

Afrotropic 79231 km²

Namibian savanna woodlands

Afrotropic 102793 km²

Red Sea coastal desert

Palearctic 58827 km²

Socotra Island xeric shrublands

Afrotropic 3803 km²

Somali montane xeric woodlands

Afrotropic 63604 km²

Deccan thorn scrub forests

Indomalaya 339068 km²

Indus Valley desert

Indomalaya 19479 km²

Thar desert

Indomalaya 238254 km²

Aravalli west thorn scrub forests

Indomalaya 487535 km²

Godavari-Krishna mangroves

Indomalaya 6980 km²

Baja California desert

Nearctic 77590 km²

Central Mexican matorral

Nearctic 59195 km²

Chihuahuan desert

Nearctic 501897 km²

Colorado Plateau shrublands

Nearctic 283435 km²

Great Basin shrub steppe

Nearctic 300878 km²

Gulf of California xeric scrub

Nearctic 23537 km²

Meseta Central matorral

Nearctic 124975 km²

Mojave desert

Nearctic 127338 km²

Snake-Columbia shrub steppe

Nearctic 193188 km²

Sonoran desert

Nearctic 224486 km²

Tamaulipan matorral

Nearctic 16237 km²

Tamaulipan mezquital

Nearctic 125091 km²

Wyoming Basin shrub steppe

Nearctic 132682 km²

Araya and Paria xeric scrub

Neotropic 5260 km²

Atacama desert

Neotropic 104904 km²

Cuban cactus scrub

Neotropic 3256 km²

Galápagos Islands xeric scrub

Neotropic 7978 km²

Guajira-Barranquilla xeric scrub

Neotropic 31477 km²

La Costa xeric shrublands

Neotropic 68181 km²

Malpelo Island xeric scrub

Neotropic 8 km²

Motagua Valley thornscrub

Neotropic 2328 km²

San Lucan xeric scrub

Neotropic 3867 km²

Sechura desert

Neotropic 184213 km²

Tehuacán Valley matorral

Neotropic 9862 km²

St. Peter and St. Paul Rocks

Neotropic 6 km²

Caribbean shrublands

Neotropic 3118 km²

Paraguaná xeric scrub

Neotropic 15909 km²

Afghan Mountains semi-desert

Palearctic 13682 km²

Alashan Plateau semi-desert

Palearctic 674351 km²

Azerbaijan shrub desert and steppe

Palearctic 64090 km²

Badghyz and Karabil semi-desert

Palearctic 133646 km²

Baluchistan xeric woodlands

Palearctic 288424 km²

Caspian lowland desert

Palearctic 267975 km²

Central Afghan Mountains xeric woodlands

Palearctic 139333 km²

Central Asian northern desert

Palearctic 663852 km²

Central Asian riparian woodlands

Palearctic 88800 km²

Central Asian southern desert

Palearctic 567376 km²

Central Persian desert basins

Palearctic 580655 km²

Eastern Gobi desert steppe

Palearctic 282368 km²

Gobi Lakes Valley desert steppe

Palearctic 139713 km²

Great Lakes Basin desert steppe

Palearctic 157706 km²

Junggar Basin semi-desert

Palearctic 304941 km²

Kazakh semi-desert

Palearctic 680441 km²

Kopet Dag semi-desert

Palearctic 26285 km²

Mesopotamian shrub desert

Palearctic 204457 km²

Paropamisus xeric woodlands

Palearctic 92609 km²

Qaidam Basin semi-desert

Palearctic 192144 km²

Registan-North Pakistan sandy desert

Palearctic 276999 km²

South Iran Nubo-Sindian desert and semi-desert

Palearctic 350891 km²

Taklimakan desert

Palearctic 742657 km²

Tibesti-Jebel Uweinat montane xeric woodlands

Palearctic 82012 km²

West Saharan montane xeric woodlands

Palearctic 257460 km²

Arabian desert

Palearctic 815596 km²

Arabian sand desert

Palearctic 713576 km²

Arabian-Persian Gulf coastal plain desert

Palearctic 121500 km²

East Arabian fog shrublands and sand desert

Palearctic 17607 km²

East Sahara Desert

Palearctic 1537722 km²

North Arabian desert

Palearctic 467584 km²

North Arabian highland shrublands

Palearctic 8080 km²

North Saharan Xeric Steppe and Woodland

Palearctic 1598649 km²

Red Sea-Arabian Desert shrublands

Palearctic 313943 km²

Saharan Atlantic coastal desert

Palearctic 39817 km²

South Arabian plains and plateau desert

Palearctic 371277 km²

South Sahara desert

Palearctic 2915174 km²

West Sahara desert

Palearctic 743607 km²