This a list of ecoregions in Iraq. Terrestrial ecoregions Iraq is in the Palearctic realm. Ecoregions are listed by biome. Temperate broadleaf and mixed forests Zagros Mountains forest steppe Temperate grasslands, savannas, and shrublands Middle East steppe Flooded grasslands and savannas Tigris-Euphrates alluvial salt marsh Mediterranean forests, woodlands, and shrub Eastern Mediterranean conifer–sclerophyllous–broadleaf forests Deserts and xeric shrublands Arabian Desert Mesopotamian shrub desert Persian Gulf desert and semi-desert South Iran Nubo-Sindian desert and semi-desert Freshwater ecoregions Arabian Interior Lower Tigris and Euphrates Upper Tigris and Euphrates Marine ecoregions Persian Gulf References Iraq Ecoregions