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The Caspian lowland desert ecoregion (WWF ID: PA1308) covers the north and southeast coasts of the Caspian Sea, including the deltas of the Volga River and Ural River in the northern region. While the region gets relatively low amounts of precipitation (less than 200 mm/year), wildlife is supported by the river estuaries and the sea itself.
The North Caspian depression is part of the continental or semi-arid desert biome. The area receives 300 mm (12 in) of rain per year, on average, and less than 10% of the region is irrigated. The Caspian Depression is below sea level, consisting of large areas of marshlands in the eastern region.
The Caucasus (/ ˈ k ɔː k ə s ə s /) or Caucasia [3] [4] (/ k ɔː ˈ k eɪ ʒ ə /), is a region spanning Eastern Europe and Western Asia.It is situated between the Black Sea and the Caspian Sea, mainly comprising Armenia, Azerbaijan, Georgia, and parts of Southern Russia.
The Central Asian southern desert ecoregion (WWF ID: PA1312) is an arid but ecologically active region between the east coast of the Caspian Sea and steppes at the base of the mountains of central Asia. Most of Turkmenistan and eastern Uzbekistan is in this ecoregion.
The Pontic–Caspian steppe covers an area of 994,000 km 2 (384,000 sq mi) of Central and Eastern Europe, that extends from northeastern Bulgaria and southeastern Romania, through Moldova, and southern and eastern Ukraine, through the Northern Caucasus of southern Russia, and into the Lower Volga region of western Kazakhstan, to the east of the Ural Mountains.
The South Caucasus spans the southern portion of the Caucasus Mountains and their lowlands, straddling the border between the continents of Europe and Asia, and extending southwards from the southern part of the Main Caucasian Range of southwestern Russia to the Turkish and Armenian borders, and from the Black Sea in the west to the Caspian Sea coast of Iran in the east.
A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
This is a list of the largest deserts in the world by area. It includes all deserts above 50,000 km 2 (19,300 sq mi). Some of Earth's biggest non-polar deserts.