List of ecoregions in Iran

The following is a list of ecoregions in Iran as identified by the World Wide Fund for Nature (WWF).

Terrestrial ecoregions

Iran is in the Palearctic realm. Ecoregions are listed by biome.^[1]

Temperate broadleaf and mixed forests

• Caspian Hyrcanian mixed forests
• Zagros Mountains forest steppe
• Caucasus mixed forest

Temperate coniferous forests

• Elburz Range forest steppe

Temperate grasslands, savannas, and shrublands

• Eastern Anatolian montane steppe
• Middle East steppe

Flooded grasslands and savannas

• Tigris-Euphrates alluvial salt marsh

Montane grasslands and shrublands

• Kopet Dag woodlands and forest steppe
• Kuh Rud and Eastern Iran montane woodlands

Deserts and xeric shrublands

• Arabian desert
• Azerbaijan shrub desert and steppe
• Badghyz and Karabil semi-desert
• Baluchistan xeric woodlands
• Caspian lowland desert
• Central Persian desert basins
• Kopet Dag semi-desert
• Mesopotamian shrub desert
• Registan–North Pakistan sandy desert
• South Iran Nubo-Sindian desert and semi-desert

Freshwater ecoregions

• Baluchistan
• Caspian Highlands
• Esfahan
• Helmand-Sistan
• Kavir and Lut Deserts
• Kura-South Caspian Drainages
• Namak
• Northern Hormuz Drainages
• Orumiyeh
• Lower Tigris and Euphrates
• Upper Tigris and Euphrates
• Turan Plain
• Upper Amu Darya