Ecoregions
19 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
Temperate Grasslands, Savannas & Shrublands (19)
California Central Valley grasslands
NA0801
Nearctic
46490 km²
Canadian Aspen forests and parklands
NA0802
Nearctic
327663 km²
Edwards Plateau savanna
NA0806
Nearctic
74964 km²
Montana Valley and Foothill grasslands
NA0808
Nearctic
100079 km²
Nebraska Sand Hills mixed grasslands
NA0809
Nearctic
59123 km²
Texas blackland prairies
NA0814
Nearctic
43382 km²
Central US forest-grasslands transition
NA08387
Nearctic
228324 km²
Central Tallgrass prairie
NA08388
Nearctic
342467 km²
Central-Southern US mixed grasslands
NA08389
Nearctic
274963 km²
Cross-Timbers savanna-woodland
NA08390
Nearctic
88188 km²
Flint Hills tallgrass prairie
NA08392
Nearctic
27932 km²
Mid-Atlantic US coastal savannas
NA08393
Nearctic
78476 km²
Northern Shortgrass prairie
NA08396
Nearctic
719348 km²
Northern Tallgrass prairie
NA08397
Nearctic
82919 km²
Palouse prairie
NA08398
Nearctic
83923 km²
Southeast US conifer savannas
NA08399
Nearctic
521305 km²
Southeast US mixed woodlands and savannas
NA08400
Nearctic
28 km²
Western shortgrass prairie
NA08402
Nearctic
487149 km²
Willamette Valley oak savanna
NA08403
Nearctic
14885 km²