Обмеление Каспия, добыча лития в регионе и деградация земель - главные темы пленарного заседания 4 конгресса молодых ученых
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![Каспийское море сильно обмелело [МАХАЧКАЛА]](https://sun9-77.userapi.com/DMaS1bW5i-eh1bA4dI4IosYu33RAVa4o7IwnfQ/rq699sLxlTM.jpg)
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