Pavel Barsukov

Institute of Soil Science and Agrochemistry, Novosibirsk, Russia · lab of agrochemistry

Composting is an environmentally friendly process, turning animal waste into fertilizer. Chicken litter compost (CLC) improves soil properties, increasing crop yields. However, the CLC effect on the soil microbiome is understudied. This study aimed to compare bacteriobiome diversity in fallow arable Chernozem with and without CLC addition in a fiel...

The aim of the study was to evaluate the effect of deicing reagents on soil properties of the roadside lawns in Novosibirsk. Location and time of the study. Roadside lawns and a public green square in the central part of the Novosibirsk city. Field and laboratory work was performed in late 2023–early 2024. Methods. Soil samples were analyzed accord...

Потепление климата может привести к сильной трансформации многих криогенных геосистем мира. Особенно уязвимы высокогорные мерзлотные торфяные массивы пальза, имеющие сравнительно небольшую площадь. Нами были изучены четыре таких массива, почвы которых диагностируются как Cryosols, в пределах Арабельского плато Центрального Тянь-Шаня. Показано, что...

Microeukaryotes are vital for maintaining soil quality and ecosystem functioning, however, their communities are less studied than bacterial and fungal ones, especially by high throughput sequencing techniques. Alveolates are important members of soil microbial communities, being consumers and/or prey for other microorganisms. We studied alveolate...

Managing soil biodiversity using reduced tillage is a popular approach, yet soil bacteriobiomes in the agroecosystems of Siberia has been scarcely studied, especially as they are related to tillage. We studied bacteriobiomes in Chernozem under natural steppe vegetation and cropped for wheat using conventional or no tillage in a long-term field tria...

The aim of our study is to assess changes in soil macroinvertebrate biodiversity when conventional tillage (CT) is replaced by no-tillage (NT) in agroecosystems of the southern part of the West Siberian forest steppe. The research was conducted in the Novosibirsk region at the end of May 2017, May 2018, and in June 2018. The agricultural plots with...

Managing soil biodiversity by reduced or no tillage is an increasingly popular approach. Soil mycobiome in Siberian agroecosystems has been scarcely studied; little is known about its changes due to tillage. We studied mycobiome in Chernozem under natural steppe vegetation and cropped for wheat by conventional or no tillage in a long-term field tri...

The aim of research: Study the possibility of using a mixture of sodium salts of mono- and dicarboxylic acids as a plant growth stimulant for pre-sowing treatment of spring wheat seeds. Location and time of the study. West Siberia, 2016. Methodology. Evaluation of the effectiveness of alkaline effluent from caprolactam production (AECP) on germinat...

Since 1995 soil field courses across bioclimatic zones in West Siberia were organized by a group of scientists from Siberia and Germany. These were soon transformed into annual (once a year) ecological field courses, which we believe successfully promote ecological education among students and young scientists from different countries. The courses...

The aim of the study. To find a method to estimate plant available potassium for soil testing that does not require expensive flame photometry or atomic absorption spectrometry. Location and time of the study. Southern parts of West and Central Siberia, 2016-2019. Methodology. Comparison the potassium pool, extractable by 0,1M MgSO4 solution, with...

Understanding how climate and soil hydrology control tree growth is critical to predict the response of Siberian ecosystems to climate change. The general aim of this study was to (i) characterize the soil water budget and identify the factors controlling aspen (Populus tremula L.) radial growth in south-western Siberia, and (ii) assess its potenti...

Nitrogen (N) made available through the decomposition of organic matter is a major source for plants in terrestrial ecosystems. N cycling in Siberia is however poorly documented despite the region representing a substantial surface area of the globe.We studied the influence of pedo-climate (using two forest-steppe and two southern taiga sites) and...

Цель исследования: Оценка возможности применения геофизических методов при исследовании строения и свойств почв черноземного ряда. Место и время проведения. Полевые исследования выполнены в период июнь – октябрь 2018 г. на пахотных почвах (агрочернозем и агростратозем) Буготакского мелкосопочника, который является частью Предсалаирской денудационно...

Southwest Siberia encompasses the forest-steppe and sub-taiga climatic zones and has historically been utilized for agriculture. Coinciding with predicted changes in climate for the region is the pressure of agricultural development; however, a characterization of the soil water and carbon dynamics is lacking. We assessed current soil water propert...

This paper is devoted to assessing the gas industry impacts on surrounding tundra ecosystems. The relevant loading of pollutants emitted by production activity of gas company “Gazprom Dobycha Yamburg LLC” is accounted using both the retrospective pollutant emission database and field monitoring results. Perennial analyses of emitted pollutant loadi...

On a basis of field monitoring of modern biogeochemical cycling in gas industry impacted areas was shown the absence of any strong remarkable alterations in studied biogeochemical system: surface waters-bottom sediments-plants. In the contrary, the paper results indicate very significant influence on the productivity of lichens and, in general, on...

This paper shows the specific reaction of biota to gas industry environmental pollution in tundra ecosystems, such as alteration of tree-ring size of Siberian larch, changes in biodiversity of plant components, and accumulation of biological elements (nitrogen and phosphorus) on biogeochemical barriers in plants in the impacted areas of facilities...

The paper results showed that in field studies in gas industry impacted tundra ecosystems the positive relationship between the level of atmospheric pollutants and the rate of emission as carbon dioxide and methane from zonal ecosystem has not been established. The values of fluxes of these greenhouse gases confirm the high spatial and temporal var...

The ecological interactions in biogeochemical cycles of carbon and nitrogen were the aim of this paper. The evidence that a stable soil organic matter is preferably decomposed at high temperatures can be extremely important for predicting the impact of climate change on the carbon cycle in the Northern ecosystems. Two points are the mostimportant:...

This chapter is devoted to assessing the in situ emission of gases in tundra ecosystems using outdoor chambers with experimental elevated temperature and control plots. The rate of CO2 emissions is greatly increased due to warming and leads to a net loss of carbon from the “soilplant” system at elevated temperatures compared with normal temperature...

At the base of outdoor chamber method the effect of experimental elevated temperature on tundra ecosystem productivity was studied. Furthermore, using ¹⁵N techniques, it was found that higher vascular plants of tundra ecosystems, in contrast to more southern ecosystems, have developed an adaptive mechanism to the predominant absorption isnot nitrat...

The given paper was aimed to establish the spatial regularities of the heterogeneous distribution of reserves of different forms of nitrogen and carbon in soils of tundra ecosystems depending on the meso- and microrelief and depth in the soil profile. It was shown that at small scale, the temperature, of course, controls the dynamics of nitrogen in...

Siberia has experienced significant transformations over the past 70 years and particularly since the introduction of the market economy 25 years ago. This has caused implications for landscape processes and for the status of terrestrial and aquatic ecosystems. We review the role of science and technology in monitoring, understanding and developing...

Climate change is particularly strong in northern Eurasia and substantial ecological changes are expected in this extensive region. The reshaping and migration northwards of bioclimatic zones may offer opportunities for agricultural development in western and central Siberia. However, the bioclimatic vegetation models currently employed for project...

Aims Forest-steppe and sub-taiga, two main biomes of southwestern Siberia, have been predicted to shift and spread northward with global change. However, ecological projections are still lacking a description of belowground processes in which fine roots play a significant role. We characterized regional fine root patterns in terms of length and mas...

Siberia is the backbone of the economy of modern Russia due to huge reserves of gas, oil, land and water. Not only resource extracting and processing industries, but also forestry and agriculture capitalize these resources with implications for local and global processes of nature and society. We analysed the state of land and water resources with...

Climate change is particularly strong in Northern Eurasia and substantial ecological changes are expected in this wide region. The reshaping and the migration northward of bioclimatic zones may offer opportunities for agriculture development in western and central Siberia. However, the bioclimatic vegetation models currently employed for projection...

Atmospheric emissions from gas pre-treatment centers of the Gazprom Dobycha Yamburg LLC influenced the community of oribatid mites in southern tundra ecosystems. It was evidenced by changing the ratio of the ecological groups of the oribatid mites rather than its total abundance. The euedaphic oribatid mites prevailed essentially in the mites commu...

Since 1995, soil-ecological field courses across climatic zones in West Siberia have been organized by scientists from Russia and Germany to meet growing demands for better land use practices. They are focused on virgin landscapes and soils undisturbed by anthropogenic influences to facilitate the learning processes by excluding concealing changes...

Rising temperatures in the Arctic can affect soil organic matter (SOM) decomposition directly and indirectly, by increasing plant primary production and thus the allocation of plant-derived organic compounds into the soil. Such compounds, for example root exudates or decaying fine roots, are easily available for microorganisms, and can alter the de...

The Siberian forest is a tremendous repository of terrestrial organic carbon (C), which may increase owing to climate change, potential increases in ecosystem productivity and hence C sequestration. Phosphorus (P) availability could limit the C sequestration potential, but tree roots may mine the soil deep to increase access to mineral P. Improved...

The Russian boreal forest, which mainly consists of extensive forests in Siberia, is the largest continuous forest region on Earth and represents 70 % of the world's boreal forest. Siberian forest is a tremendous repository of terrestrial organic carbon (C), which may increase owing to climate change, potential increases in ecosystem productivity a...

В августе 2011 г. в подзоне южной тундры Западной Сибири ( ключевой участок « Ямбург», 67.97° с.ш., 75.4° в.д. ) были проведены измерения удельного потока СН 4 статическим камерным методом из мерзлых плоскобугристых болот. Несмотря на то, что мерзлотные бугры являются вторым по распространённости типом болотных микроландшафтов в тундровой зоне Запа...

Phosphorus is one of the most limiting nutrients in many ecosystems and mineral reserves available for fertilizer production are forecasted to last for no more than 100 yrs. Crop requirements for P are often lower in forests than in agriculture and P fertilization to forest ecosystems is not very common on a global scale. In southern Siberia, expec...

The aim of this study was to assess initial effects of warming on the CO2 balance of a lichen-rich dwarf shrub tundra, a widespread but little studied ecosystem type in the Arctic. We analyzed whole ecosystem carbon exchange rates as well as nutrient dynamics, microbial and plant community composition and biomass after 2years of experimental temper...

The characteristics of the long-term use of organic and mineral fertilizers on sod-podzolic soil are revealed. It is shown that the systematic 40-year application of moderate fertilizer doses has a favorable impact on the indices of its potential and effective fertility and ecological balance is maintained in the environment.

Cryoturbation (mixing of soil layers due to repeated freeze-thaw processes) is a major soil forming process in arctic regions, which may contribute to long-term storage of C in soils of northern latitudes. Our goal was to determine the effect of subduction of organic matter by cryoturbation on microbial decomposition processes in tundra soils. Buri...

An 1800-km South to North transect (N 53°43′ to 69°43′) through Western Siberia was established to study the interaction of nitrogen and carbon cycles. The transect comprised all major vegetation zones from steppe, through taiga to tundra and corresponded to a natural temperature gradient of 9.5°C mean annual temperature (MAT). In order to elucidat...

totals 1500 × 109 tons. Soil cover of Siberia makes up 7.3% of the total soil cover, while soil organic carbon (SOC) reserve of Siberia amounts to 13.1%. Transfer of virgin ecosystems into agricultural ones is accompanied by the dramatic decrease of SOC contents and results in significant increase of emission of the most important greenhouse gas -...

Earth hummocks constitute the most common Surface structures of Arctic regions. In hummock undra ecosystems, small mounds of earth alternate with depressions, the so-called interhummock areas. This study aimed at elucidating how differences in microtopography and associated variations ill abiotic and biotic factors control biogeochemical cycles in...

This study examines the carbon and nitrogen stocks of soils and vegetation in different frost-boil tundra microsites (rims, troughs and bare soil patches) and aims at elucidating differences in controls of organic matter turnover. Troughs, the wettest microsite, stored the greatest part of soil C and N (23.9 and 1.7 kg m−2, respectively), while dri...

Soils of high latitudes store approximately one-third of the global soil carbon pool. Decomposition of soil organic matter (SOM) is expected to increase in response to global warming, which is most pronounced in northern latitudes. It is, however, unclear if microorganisms are able to utilize more stable, recalcitrant C pools, when labile soil carb...

Climatic conditions in arctic regions have been favorable for carbon sequestration in the geologic and historic past and an estimated 14% of the earth's terrestrial carbon is found in soils of tundra ecosystems. Climatic warming may change (or may have recently changed) tundra ecosystems from a sink to a source of CO2. Up to now, little information...

Budget parameters of mineral fertilizer nitrogen were established upon the cultivation of annual (vetch-oat mixture and Sudan grass) and perennial fodder cultures (alfalfa and Hungarian brome over three years of growing) under irrigated conditions in western Siberia. The consumption of exogenic nitrogen by plants, including accumulation in root and...

The effect of fertilization history on the soil nitrogen cycle was studied in short-term incubation and pot experiments. Three treatments from a long-term experiment at the Narymskaya State Selection Station (NSSS) (without fertilizers, with mineral fertilizers, and with a combination of organic and mineral fertilizers) were studied. The main proce...