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The Caspian Sea is the largest enclosed inland body of water on Earth. It is situated between Europe and Asia, bordered by five countries: Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan. Its unique geographical features make it a significant area for ecological and geopolitical reasons.
Geographical Characteristics of the Caspian Sea
The Caspian Sea covers approximately 371,000 square kilometers, making it larger than many countries. It has a maximum depth of around 1,025 meters, with a relatively shallow northern part and a deeper southern basin. The sea’s salinity varies, with the northern regions being less salty than the southern parts.
Surrounding Mountain Ranges and Plains
The Caspian Sea is bordered by several mountain ranges and plains. The Caucasus Mountains lie to the southwest, forming a natural barrier between the sea and the rest of Eurasia. To the east, the vast Central Asian plains extend into Kazakhstan and Turkmenistan, providing flat terrain that influences regional climate and ecosystems.
Unique Ecological Features
The Caspian Sea hosts a diverse range of species, including the endangered Caspian seal. Its unique environment supports various fish species, such as sturgeon, which produce caviar. The sea’s varying salinity and temperature create distinct ecological zones that support this biodiversity.
- Largest enclosed inland body of water
- Varied salinity levels across regions
- Bordered by five countries
- Home to the endangered Caspian seal
- Surrounded by mountain ranges and plains