How RUDN University ecologists conducted an expedition to Baskunchak

Translation. Region: Russian Federal

Source: Peoples'Friendship University of Russia –

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The Institute of Ecology has had a student popular science travel club for 5 years, opened by NSO GreenLab. With the support of teachers, students organize independent expeditions – scientific research trips with the implementation of a set scientific task, as well as popular science and educational trips.

"GreenLab does not go on hikes just like that. Each of our outdoor events has a scientific or educational purpose. We see a request from students to participate in such scientific expeditions. Most are not interested in just walking or driving a route to see something beautiful and take a photo for the sake of it – they need something to take with them, in addition to vivid impressions. New knowledge, skills necessary for a future career, understanding of the structure of various ecosystems and natural processes. We select those who are in solidarity with our values and are ready not only to travel, but also to study. So not only students from other RUDN departments go with us, but also from other universities," – Daniil Mironov, GreenLab outdoor manager, student of the Institute of Ecology (Applied Mathematics and Computer Science, 1st year).

During the existence of the NSO, students have been on expeditions not only within Russia, but also abroad. The young researchers have worked in Kamchatka Krai, Murmansk Oblast, the Republic of Dagestan, Kalmykia, Karelia, Primorsky Krai, as well as in the regions of Kazakhstan, Uzbekistan, Italy and the Czech Republic.

One of the latest expeditions took place in the Astrakhan region. A group of students went to the vicinity of Lake Baskunchak. This is not only a famous salt lake, but also karst caves and chalk quarries with various minerals and ancient fossils.

"The goal of the expedition is to study steppe ecosystems, as well as the geological features of Lake Baskunchak and Mount Bogdo. Bogdo is only 150 meters high, but it is the highest point of the Caspian lowland. Few people know, but this mountain is a real salt dome covered with sedimentary rocks. The salt layers below gradually squeeze it out, causing it to grow by several millimeters per year, promising to erupt in millions of years as real salt lava," Daniil Mironov, GreenLab outdoor manager, student at the Institute of Ecology ("Applied Mathematics and Computer Science", 1st year).

"We got acquainted with the local flora and fauna – we saw menacing solpugs, anxious snakes and numerous dung beetles. We experienced the changeability of the weather in the steppes – we conducted radial walks under the scorching sun, and in the evenings we cooked dinner and listened to lectures in the rain. We managed to walk along the surface of Baskunchak and in its brine (salt solution of lake water), the bottom of which is covered with the mineral halite – the same table salt that we use and which is mined here on an industrial scale," – Lada Yaseneva, a student of the Institute of Ecology (Ecology and Nature Management, 2nd year).

Lake Baskunchak itself is fed by 19 springs, of which only 2 are fresh. Underground water passes through layers of salt, becoming saturated and then flowing into Baskunchak itself. The concentration of salt in the lake is about 250 ml/l, which makes it one of the saltiest in Russia and in the world. Salt is not the only mineral that can be found in the vicinity of Baskunchak. There are chalk quarries around – active and exhausted, in which you can find minerals and ancient fossils, such as vertebrae of fish that lived more than 200 million years ago. Participants were able to take away samples of gypsum and feldspars.

"In a few days, we managed to visit the most interesting places: we climbed Mount Bogdo with its incredible views, visited a gypsum quarry where the land resembled alien landscapes, and, of course, we reached Lake Baskunchak. We had to walk 10 km to the lake, but it was worth it! Walking on salt was painful – my legs cut like broken glass – but the feeling of standing in the middle of an endless white desert was unforgettable. And as souvenirs, we brought home salt crystals and gypsum," – Daria Dobrova, a student at the Institute of Ecology ("Energy and Resource-Saving Processes in Chemical Engineering, Petrochemistry and Biotechnology", 1st year).

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