Ndepụta nke ecoregions na United States (WWF)
Ihe na-esonụ bụ ndepụta nke mpaghara gburugburu ebe obibi na United States dịka World Wide Fund for Nature (WWF) siri kọwaa.  United States bụ obodo megadisasịa nwere ọkwa dị elu n'ofe gburugburu ebe obibi dị iche iche.

Mpaghara gburugburu ebe obibi 
The United States is unique among countries in that its terrestrial ecoregions span three biogeographic realms: the Nearctic, Neotropical, and Oceanian realms.

Steeti iri ise 
Alaska bụ steeti kachasị nwee ụdị dị iche iche nke nwere mpaghara 15 gafee 3 biomes n'otu mpaghara. California na-abịa na nke abụọ na 13 ecoregions gafee 4 biomes n'otu ala. N'ụzọ dị iche, Rhode Island bụ nke kasị nta biodiverse nwere nanị otu ecoregion - North Eastern n'ụsọ oké osimiri ọhịa - gụnyere dum ala.

Mkpesa ụwa nke steeti 50 nke United States bụ ndị a:

Ógbè 5 ndị mmadụ bi 
Mpaghara ecoregions nke mpaghara ise bi na United States bụ ndị a:

Ógbè ndị dị n'oké osimiri 
Mpaghara mmiri nke steeti iri ise nke United States bụ ndị a:

Hụkwa 

 Usoro nkewa ọzọ
 Ndepụta nke ecoregions na United States (EPA)
 Mpaghara WWF nke mba ndị gbara ya gburugburu
 Ndepụta nke ecoregions na Canada (WWF)
 Ndepụta nke ecoregions na Mexico (WWF)

Edensibia 

 Ricketts, Taylor H; Eric Dinerstein; David M. Olson; Colby J. Loucks; na ndị ọzọ (1999). Ecoregions nke North America: Nnyocha Nchekwa. Island Press; Washington, DC