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Population status and variation of the rare species Dactylorhiza viridis (L.) R. M. Bateman, Pridgeon & M. W. Chase (Orchidaceae) under anthropogenic load conditions in the meadow phytocenoses of the Central Caucasus

We studied the variation of morphological characters, ontogenetic structure and vitality of seven cenopopulations of Dactylorhiza viridis (L.) R. M. Bateman, Pridgeon & M. W. Chase within the Kabardino-Balkar Republic in 2015–2019. The studies were conducted in the meadow plant communities under different conditions of anthropogenic load (recreation and grazing). The species presents medium phytocenotic plasticity of morphological characters (I p=36–70%) and high variation of morphological characters (CVх–ср=18,55–45,22%) under changeable conditions of growth.

Phytoplankton primary production in the lake Kenon (Zabaykalsky krai, Russia)

Located in the Amur watershed, Lake Kenon is an urban reservoir that hosts recreational and commercial fishery activity. The current status of the lake is connected with the Chita Thermal Power Plant No 1, the basin’s human population, and the density of railways as well as highways within the basin. From the start of the thermal power plant’s operation, the reservoir’s ion composition significantly changed from largely sodium and bicarbonate species to sulfate, bicarbonate, chloride, sodium, calcium, and magnesium chemical species.

Anniversary of Shtykov Sergey Nikolaevich

The article is dedicated to the anniversary of Shtykov Sergey Nikolaevich.

The Centennial of Sofya Borisovna Pirkes

The article provides a short biographic excourse and description of scientific and academic achievements of Sofya Borisovna Pirkes, the former associate professor of the Department of General and Inorganic Chemistry of the Institute of Chemistry of Saratov State University.

Anniversary of Elena Grigoryevna Kulapina

Elena G. Kulapina — Doctor of Chemistry, Professor, Honorary Worker of Higher Professional Education of the Russian Federation, Laureate of the Prize of the Council of Ministers of the USSR, Professor of the Department of Analytical Chemistry and Chemical Ecology of Saratov National Research State University named after N. G. Chernyshevsky (SSU). Elena Grigoryevna is a well-known scientist and analyst, who is actively working in the field of scientific developments and the practical application of potentiometric sensors in the analysis of organic compounds.

Юбилей Светланы Петровны Муштаковой

Светлана Петровна Муштакова – доктор химических наук, профессор, заслуженный работник высшей школы Российской Федерации, заведующий кафедрой общей и неорганической химии с 1988 по 2017 г., проректор по учебной работе Саратовского государственного университета имени Н. Г. Чернышевского с 1996 по 2003 г. Светлана Петровна – известный в широких кругах российской научной общественности ученый-аналитик, активно работающий в области разработки спектроскопических методов анализа с использованием методов компьютерного прогнозирования свойств и многомерных методов обработки данных.

Early start and short life of an entomologist (110th Anniversary of Andrey Andreevich Richter)

At the end of 2019 an old collection of insects was found in the Zoological Museum of Saratov State University. It was collected in the vicinity of Saratov, in the Lower Volga region, as well as in the North Caucasus and Transcaucasia, by young Andrey A. Richter while he was studying at school and Saratov University (1926–1930). The collection (185 specimens) was not processed, with most insects left unidentified. Nevertheless, it has been well preserved. Its examination has already produced first results important for better understanding of A. A. Richter biography.

Science is the highest pilotage of intuition at the junction of art and logic: dedicated to the memory of Doctor of Biological Sciences, Professor Anischenko Tatiana Grigorievna

The article is dedicated to the blessed memory of Tatyana Grigorievna Anishchenko, Doctor of Biological Sciences, professor, who used to hold the position of head of the Department of Human and Animal Physiology of the Biological Faculty of the Saratov State University from 1995 to 2015. This is a look back at the memories of some of her students and a message for new generations about great prospects in obtaining a golden ticket to life and the wonderful world of science.

110 years of Zoological Department of Saratov State University

The paper shows the history of formation and development of Zoological departments of the Saratov State University – from the creation of the first Department of Zoology at the opening of the University in 1909 to the modern period. The role of the heads of department and their employees in the formation of the educational and scientific process, providing the departments with the necessary equipment and establishing of the Zoological Museum is considered in historical aspect.

110 years of Botanical Department of Saratov State University

The article provides information about the history of the Botanical Department, which was opened simultaneously with the foundation of the Saratov University in 1909. The role of such heads of Department as A. A. Gordyagin, A. M. Levshin, D. E. Yanishevsky, A. D. Fursaev, N. P. Avdulov, A. A. Chiguryaeva, T. P. Ryabova, A. O. Tarasov, V. A. Boldyrev in the development of the Department and scientific research is highlighted. The role of the Department’s employees in the formation of the herbarium of SSU is observed.