Black Sea–Caspian Steppe Black Sea–Caspian Steppe The Black Sea-Caspian Steppe is an informal name for that part of the Eurasian Steppe that extends south between the Black and Caspian Seas. It is usually treated as part of the Pontic-Caspian steppe which includes the area north of the Black and Caspian Seas, but there is some reason to treat it as a distinct place. Its natural boundaries are the Sea of Azov and Black Sea on the west, the Caucasus Mountains on the south and the Caspian Sea on the east. Its northern boundary may be taken as the triangle formed by the lower
Kura (Caspian Sea) the Kura no longer reach the river, instead disappearing in the plain many kilometers from their original mouths. Steppe characterizes the arid reaches of the Kura River catchment, while meadows are often found in the alpine areas. The Kura River area is considered as part of the Kura-South Caspian Sea Drainages ecoregion. Some portions of the river flow through a semi-desert environment. Forest cover is sparse. Almost 60 species of fish inhabit the Kura River and its tributaries. Some common families include loach, bleak, trout and nase, and many of these fish are endemic to the region. Among rivers of