The article was co-authored by Yu.D. Nukhimovskaya, an employee of the IEE RAS. A century-old history of the development of the largest mesophilic ravine-gully community in the clayey Trans-Volga region on the northwestern coast of Lake Elton has been analyzed. It is shown that modern polydominant tree and shrub communities of the gully are the result of anthropogenic degradation of a ravine forest area. The stages of development of polydominant plantations associated with changes in the intensity of pasture load have been identified. The mechanisms of resistance of polydominant communities to grazing and fires and the conditions for the preservation and reproduction of such communities have been considered. It is shown that a closed massif of a polydominant community is resistant to fire and is restored in several years. However, as a result of grazing, it breaks up into fragments. Herbal vegetation penetrates into the plantation, rags and dead wood accumulate. In a fire, the litter burns out to the mineral layer, and most of the regeneration buds buried in the soil die. Rapid and massive coppice recovery does not occur, and the succession process stretches over decades. Under such conditions, with continued grazing and repeated fire, severe soil erosion may develop, leading to irreversible disturbances of the original habitats and, consequently, to the impossibility of restoration of the polydominant community.

A group of researchers from the A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences (IEE RAS) including Ph.D. O.A. Krylovich, Ph.D. E.A. Kuzmicheva, Doctor of Biological Sciences A.B. Savinetsky and a graduate student of the Samsonov Stanislav Institute on Bering Island, will carry out research in two major areas: the study of ecosystem dynamics over the past 10 thousand years and the study of the remains of Steller's sea cow. In 2020, in the northern part of Bering Island, scientists have already studied the peat bog and taken samples from its layers. This year the study will continue, as we are now able to learn much more about the history of the dynamics of the ecosystems of the Commander Islands over the past 10 thousand years. Using the method of stable isotope analysis of peat, spore-pollen analysis and radiocarbon analysis, scientists will be able to determine even the details of climatic conditions thousands of years ago. Here, a reference collection of pollen from various plant species will be selected for interpretation of the data obtained. Volcanic ash samples will also be taken for further detailed study. IEE RAS scientists will conduct a botanical analysis of peat samples, which will add new details to the history of the vegetation of the Commander Islands. The second and no less important task is to study the history of the Steller's sea cow off the coast of the Commander Islands. Radiocarbon analysis will determine the age of numerous animal remains found on the Commander Islands and stored in the osteological collection of the reserve.

Russian researchers analyzed the factors influencing the inhabitants of the tundra lakes most sensitive to external changes. Thereby, it will be possible to predict the impact of climate change on the ecosystems of the Arctic. The research results were published by the scientific journal Water, the press service of the Russian Science Foundation writes briefly about this. "Scientists studied the crustaceans Cladocera and Copepoda from thermokarst lakes in the Lena River delta and discovered what factors determine the species composition of the inhabitants of the bottom and the water column. <...> In particular, temperature and hydrochemicals are relevant for the inhabitants of the water column, similarly are he properties of water, and for benthic crustaceans - the composition of aquatic vegetation and type of soil. The data obtained will help to assess how climate fluctuations and growing pollution will affect the nature of the Arctic, since freshwater crustaceans are particularly sensitive to environmental changes," the report says.

Currently, an expedition of the A.N. Severtsov Institute of Ecology and Evolution RAS, with the information support of the Institute of Geography RAS is underway in the Tsey gorge. It includes entomologists, an acarologist (tick specialist) and a hydrobiologist. The main goal of the expedition is to study the process of the formation of forest communities as the Tsey glacier retreats. On the surface freed from ice, fireweed seeds sprout almost immediately, beetles and spiders flock on their cobwebs, and long-legged opiliones are drawn to it as well. The expedition is equipped with maps on which the employees of the Institute of Geography have marked lines dividing zones of different ages - from one year to 170 years and more. These dates were obtained by analyzing aerial and satellite images, as well as by drilling cores from the trunks of the Koch pine, which settled a decade after the glacier left. During the work of the ecological expedition, material is collected on soil amoebas, nematode worms, springtails, soil mites, microscopic fungi and algae. Various methods (traps, floating, sifting the bedding) are used to catch beetles, spiders and millipedes. Hundreds of soil samples have been delivered and will still be brought to laboratories in Moscow for analysis of the population of microarthropods after their extraction in special eclectrics.

The superfamily of carnivorous gastropods Buccinoidea, the trumpeter, has a worldwide distribution in the World Ocean in the entire depth range, from the littoral to the ultra-abyssal, and is one of the most diverse taxa of marine mollusks. According to the latter classification, the superfamily included 8 families with several subordinate tribes and subfamilies. For the first time, the monophilia of the superfamily and the relationship between its constituent taxa were tested on the basis of molecular data (sequences of five genetic markers), supplemented by data on morphology and anatomy. The analysis confirmed the monophilia of the superfamily. Relationships between subordinate taxa have been critically reassessed and a new classification of Buccinoidea has been proposed, which includes 20 families and 23 subfamilies. Five new families and one subfamily have been described. The radiation of the superfamily in high latitudes - the Arctic and Antarctic - is considered in more detail. The study was carried out by scientists from the A.N. Severtsov Institute of Ecology and Evolution RAS, National Museum of Natural History of France (MNHN), University of Tokyo (AORE) and Museum of Natural History of Santa Barbara (SBMNH) and published in the Zoological Journal of the Linnean Society.

Conducted at the Glubokoye Ozero N.Yu. Zograf hydrobiological station of IEE RAS, the school-conference was a continuation of a series of seminars-schools on the taxonomy and faunistics of cladocerans (the first school-seminar was held in 2008, the second - in 2013, the third - in 2018). On the other hand, it was a continuation of a series of conferences on cladocerans and other crustaceans of continental waters, held on the basis of the I. D. Papanin Institute for Biology of Inland Waters of RAS. In 2021, it was decided to transform the school-seminar into a school-conference, because of the restrictions due to the COVID19 epidemic, no other large events specifically dedicated to cladocerans are planned in the near future, and the presentation of the latest results on them for fellow carcinologists looks quite appropriate. Unlike previous schools, the 2021 school conference was attended almost exclusively by specialists for whom cladocerans are the primary object of their professional activity. The school-seminar was attended by 12 people - employees of IEE RAS (M.A. Aksenova, O.S. Boykova, P.G. Garibyan, A.G. Ibragimova, N.M. A. Neplyukhin), the Faculty of Biology of Moscow State University (A.Yu.Sinev, E.S. The participants were somewhat contingently divided into “teachers” and “students”, since in many cases the “students” were able to explain important aspects of the cladocera identification process to their colleagues themselves. The main purpose of the event was to acquaint the participants with the latest achievements, problems and methods of work in the field of taxonomy and faunistics of this group of micro-crustaceans.

Fyodor Vitalievich Lishchenko, a researcher at the Laboratory of Morphology and Ecology of Marine Invertebrates at IEE RAS, has become a co-chairman of the strategic initiative to integrate young scientists into the work of the International Council for the Exploration of the Sea (ICES). Fyodor's candidacy was approved by the ICES Secretariat for the period from July 1, 2021 to December 31, 2024. The main activities of the strategic initiative are to popularize the participation of young scientists in the work of the International Council for the Exploration of the Sea, unite and coordinate young scientists from various scientific communities engaged in ocean research, support young experts-members of the working groups of the International Council for the Exploration of the Sea, and form interdisciplinary research groups. As part of the work in these areas, annual meetings (during the meetings of the scientific and advisory councils of ICES), as well as conferences, courses and trainings on topical issues will be held for young scientists. Congratulations from the institute to Fyodor Vitalievich on his position!

This year, the Hydrobiological Station at Lake Glubokoye celebrates its 130th anniversary. The hydrobiological station on Lake Glubokoe, the first in Russia and one of the first scientific freshwater stations in the world, was established in 1891 under the auspices of the Imperial Russian Society for the Acclimatization of Animals and Plants, a public organization that existed and operated almost exclusively on private donations. Professor N.Yu. Zograf, the founder of the station, was at that time chairman of the Ichthyology Department of the Society. Lake Glubokoye was assigned the role of a model reservoir, “where the invertebrate fauna and other components of the biota will be studied in all details and in relation to the fish population, for this knowledge to be transferred to other reservoirs”. Moreover, the biological station was assigned the role of an experimental and acclimatization base. The presentation on the history of the biostation is available through this LINK.

Specialists of the project to restore the population of the Central Asian leopard in North Ossetia began to apply new methods of animal monitoring. The new technique was applied in connection with the need to search for the female Agura. In March, the GPS information from her collar stopped working, and before that the collar of the male Baksan stopped sending signals. Satellite transmitters could be damaged while hunting wild ungulates, or they could have had technical problems. But on both collars, radio beacons continue to work, the signals from which scientists have recorded from time to time during ground monitoring. Therefore, it was decided to search for animals using a radio signal from the air. For this, special equipment was selected to amplify the signal, and with the help of a light aircraft, flights were carried out over the territory of North Ossetia. On the plane, on both sides of the board, special antennas were fixed, which makes it possible to pick up the signal both to the left of the flight route, and to the right, as well as in front. This arrangement of equipment increases the likelihood of detecting animals.

On May 26, the editorial office of Komsomolskaya Pravda hosted a press conference "Marine mammals and fishing - how to maintain a balance of interests." The speakers at the conference were Deputy Head of the Federal Agency for Fisheries Vasily Sokolov, Academician of the Russian Academy of Sciences Vyacheslav Rozhnov, Deputy Director for Research of the Federal State Budgetary Scientific Institution VNIRO Vyacheslav Bizikov, as well as Tatyana Shulezhko, an expert of the Association of Longline Fishing, who joined the discussion via video link from Kamchatka.

Chunkov Magomed Magomedrasulovich and his scientific advisor Kamil Zubairovich Omarov, Doctor of Biological Sciences, Associate Professor, Chief Researcher of the Laboratory of Animal Ecology of the Caspian Institute of Biological Resources - a separate subdivision of the Federal State Budgetary Scientific Institution of the DPhIC RAS On Tuesday, May 25, 2021, in the conference hall of the A.N.Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences (Leninsky Prospekt, 33) Chunkov Magomed Magomedrasulovich defended a thesis for the degree of candidate of biological sciences on the topic of "Features of the ecology of the Radde hamster (Mesocricetus raddei avaricus) in the changing nature of land use in Gorny Dagestan." The defense of the thesis was successful. Congratulations to Magomed Magomedrasulovich! The dissertation abstract is available here.

Olga Shpak, specialist in marine mammals, researcher at the A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences (IEE RAS) took part in the online meeting "Whales. Disappearing Giants". The Sea of Okhotsk, at the latitude of Moscow, is home to an unusual population of bowhead whales, or polar whales, and is endangered. Would you like to know more about the peculiarities of these whales and the means of their preservation? Video recording of the webinar is available.

Why do we sleep? What is the brain doing during sleep? What happens to our consciousness when we sleep? Mankind has been asking these questions for thousands of years and is still looking for answers. But today somnology is developing at an incredible pace. But dreams remain a mystery to us, and the more we study it, the more confusing and interesting this mystery becomes. Sleep is the most ancient and, apparently, a vital state that originated at the dawn of evolution. An analogue of slow human sleep - a "dreamlike" state of rest - appears already at the level of annelids and insects. Recently there was an article by British authors describing a study on fruit flies. Among almost a thousand female fruit flies, sleeping on average 5 hours a day, scientists have found not only a handful of flies in a “sleeplike” state, but even three individuals sleeping 15, 14 and even 4 minutes a day! By all accounts, they should have died very soon. But they live day after day, week after week without problem. And the life of the fruit fly is about 40 days. Therefore, this sensation is being discussed by the entire scientific world. This study again posed a question that seemed to have been answered long ago - can a person live without sleep? For now, the answer seems to be no. A mammal, especially a human, is not a fly. Physiologically, we need sleep, moreover, we vitally need both of its phases - slow and fast sleep, without them a person cannot think, his consciousness unable to function.

In the fall of 2020, a group of scientists from IEE RAS led by Ph.D. Olga Shpak departed for Wrangel Bay with an interesting task: to install satellite transmitters on whales in order monitor their migration routes and winter habitats, test a new way of taking a biopsy - using a drone, replenish the photo catalog of whales and try to assess the influence of tourists on the population under threat of extinction. It was planned to put satellite tags on animals in an unusual way - from a motorized paraglider. It turned out to be not at all easy, as the pilot Alexander Bogdanov vividly tells. This is a film about an amazing place - the Shantar Islands. This place is one of the few on the planet where people can come into contact with whales in the literal sense of the word. Expedition organizers: Institute of Ecology and Evolution A.N. Severtsov Russian Academy of Sciences (IEE RAS), Project “Trace to Preserve”: Understanding the Seasonal Distribution of Threatened Bowhead Whales to Identify Potential 'Areas of Conflict' with Economic Activities The project was supported by the Ocean Park Conservation Foundation Hong Kong (OPCFHK) The film was shot with the support of the “Splav” company https://www.splav.ru/ and the “Far Eastern Expeditions” http://fetravels.ru/.  

A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, will sign an agreement on cooperation within the framework of the world-class Marine Scientific Center. On June 3, in the hall of the board of the Federal Agency for Fishery, an organizational meeting of the World-class Marine Scientific Center (NCMU) took place. The event was attended by the heads of scientific and educational organizations of the Federal Agency for Fishery and the Russian Academy of Sciences, as well as the technical partner of the NCMU - GC "Antey". The establishment and activities of the Center are regulated by the Decree of the Government of the Russian Federation. The project was supported by Russian President Vladimir Putin. "Breakthrough solutions for creating an advanced fishing industry can only be found through joint efforts of academic and applied science with the involvement of high-tech companies. The Marine Science Center will become an organizational form of this integration," said Ilya Shestakov, head of the Federal Agency for Fishery. The NCMU is faced with the tasks of developing new promising technologies for the extraction and processing of Antarctic krill, fish and invertebrates, algae, technologies for industrial aqua and mariculture, technologies for the production of medicinal food products. A promising direction will be the decoding of the genomes of deep-sea organisms with a unique metabolism in order to be used for marine pharmacology, aquaculture and agriculture. During the meeting, an agreement on cooperation will be signed between all participants of the NCMU: - All-Russian Research Institute of Fisheries and Oceanography (VNIRO)

Sofia Borisovna Rosenfeld, senior researcher at IEE RAS, took part in the film "Red-breasted Goose. Flying over Manych", which is now available for viewing. The life of the red-breasted goose is subject to strict laws of movement, reproduction and nutrition. They raise their offspring on a limited patch of tundra of Russia, and fly to wintering sites and back along the beaten paths of heaven with obligatory long stops for feeding. And one of these stops is the Kumo-Manych depression. What dangers await them on the way and how they are studied will be described by experts.

The project aimed at environmental education of the population initiated by the IEE RAS in North Ossetia within the framework of the Leopard Restoration Program in the Caucasus (Leopard Restoration in Ossetia) was evaluated and became a finalist for the Crystal Compass award in the Enlightenment nomination. The project is being implemented jointly by the IEE RAS and the Ministry of Natural Resources of the Republic of North Ossetia-Alania with the participation of regional media and the support of RusHydro. The VIII and IX Crystal Compass awards ceremonies took place at the Moscow International House of Music on May 27, 2021. The prize has been awarded since 2012 for outstanding achievements and unique projects of our time, which are aimed at preserving natural, historical and cultural heritage. The motto of the award is “Protect the Future”. The authors of the nominee project are A. Yachmennikova, A. Alibekov, M. Slanova, A. Dzhenikaeva, V. Tokhsyrov, M. Nagoga. The award for the project at the ceremony of presenting the national prize was accepted by a senior researcher at the A.N. Severtsov Institute of Ecology and Evolution RAS Anna Yachmennikova.

The film "Where Goes The Wild Northern Deer", in which Sophia Borisovna Rosenfeld, Senior Researcher, IEE RAS, took part, is available for viewing. The wild reindeer is nearing extinction. The questions of why this is happening and what to do next should be answered by a detailed scientific study of the remaining populations.