Gleb Zaitsev

Institute of Biology Ufa Science Center · Laboratory of Forestry

Key message Fir undergrowth under forest canopy forms the xylorhizome, which allows a long time to exist in pessimal conditions and to compete with nemoral species. Abstract This work is devoted to studying features of Siberian fir (Abies sibirica Ledeb.) in the first stages of ontogeny in different forest conditions. We have shown that in determi...

In this paper, Scots pine (Pinus sylvestris L.) roots grown in soils with and without contamination from emission of a plant steel were analyzed for Fe and Mn, as well as the shoots and needles with and lacking pollution. The aim was to assess the content of Fe and Mn in soils under given conditions, and the interaction between pine plant and soil...

The accumulation of cadmium and zinc in aboveground and belowground organs of Scots pine (Pinus sylvestris L.) and the metal migration extents in the soil–plant system were analysed for the stands growing in contaminated areas from metallurgical plant emissions. The pine stands of the comparable age (38–45 years old), and a similar structure, selec...

The study examined the growth characteristics of the Siberian spruce (Picea obovata Ledeb.) under the canopy of coniferous forests in early ontogeny. We revealed that spruce undergrowth in adverse conditions is suppressed, is slow to grow and has xylorhizomes. The result is a significant difference in height, age and stage of ontogeny that affects...

Citation: Rakhmatullina, I.; Rakhmatullin, Z.; Zaitsev, G.; Davydychev, A.; Gilmanova, G.; Komissarov, M. The Green Space Availability in Ufa City Metropolis. Abstract: For the administrative districts of the city of Ufa (the capital of the Republic of Bashkor-tostan, Russia), the distribution of green spaces, including public green spaces, the deg...

This study investigated carbon sequestration potential in reforesting agricultural lands with prevalence of Scots pine (Pinus sylvestris L.) in the “Nasibash” site of the Eurasian Carbon Polygon, located in the Republic of Bashkortostan, Russia. The research focused on analyzing carbon stocks in different ecosystem components (tree stand, herbaceou...

Most chemical pesticides, in addition to their main functions (protection against diseases, weeds, and pests), also have a noticeable inhibitory effect on target crops. In a laboratory experiment and two-year field experiments (Russia, Trans-Urals), a study was made of the effect of the biopreparation Azolen® (Azotobacter vinelandii IB-4) on plants...

Studying the soils in the periodical flood zone of three reservoirs is of promising importance for their subsequent return to economic activities. Research on the bacterial and archaeal communities of soils that are periodically or continuously flooded by reservoirs is still insufficient. To evaluate the chemical status of soils and their microbiot...

Due to the global increase in CO2 in the atmosphere, studies focusing on the carbon balance in forest ecosystems are currently particularly relevant. Abandoned agricultural lands could provide an important contribution to carbon sequestration in many parts of the world. In the broad-leaved forest zone of the Cis-Ural (Southern Ural region, Russia),...

The correlation between the yield of Siberian spruce (Picea obovata Ledeb.) and Siberian fir (Abies sibirica Ledeb.) cones and radial wood increments was examined using long-term data (47 years) from direct observations. Broad-leaved coniferous woods of the Ufa Plateau (PreUral), which are located inside the Ufa River's water protection zone, make...

Traditional land-use systems can be modified under the conditions of climate change. Higher air temperatures and loss of productive soil moisture lead to reduced crop yields. Irrigation is a possible solution to these problems. However, intense irrigation may have contributed to land degradation. This research assessed the ameliorative potential of...

In the city of Lipetsk, the peculiarities of nickel accumulation in the above-ground organs of Scots pine have been determined. The research was conducted in pine stands ranging in age from 40 to 50 years. Sampling and research were carried out in the vegetation dynamics for two years (2019 and 2020). The nickel content in the needles and shoots of...

The anthropogenic impact on the flight activity of bees in the conditions of the Lipetsk region was studied. The effect of pesticides on bee colonies was assessed. The characteristics of the effect of pesticides of different hazard classes on the viability and productivity of bee colonies are given. An analysis of the impact of beekeepers on bees i...

Plants can absorb nearly all the chemicals present in the environment in large or small quantities. Chemical inputs as a result of industrial emissions accumulate primarily in the leaves of woody plants. This study compares the metal content of cleaned and dirty leaves of balsam poplar (Populus balsamifera L.) under Sterlitamak Industrial Centre co...

The ecological value of ectomycorrhizal associations is not restricted to the organism level. They play an essential role in plant communities as key to the diversity and sustainability of species. The sustainability of forest stands in urbanised areas depends on preserving mycorrhizal communities' structural and functional organisation. Reducing s...

Studies aimed at studying copper and zinc in the three-year-old needles of Scotch pine (Pinus sylvestris L.) were carried out from 2019 to 2021. The experiments were laid on 8 test sites. Trial plots No. 1-4 - in the Lipetsk industrial center and trial plots No. 5-8 - in the Yelets industrial center. The studies were carried out in vegetation dynam...

The influence of the hive's design and material on the development and productivity of bee colonies have been studied. Reducing the size of honey cases has positively impacted the bee family's development. In this case, it is simpler for bees to develop without honey in the nest and regular expansion of the beehive with honey cases. Based on a deta...

A high level of environmental pollution identifies Sterlitamak industrial center (PreUral, Russia). Among human-made emissions, particulate matter (including heavy metals), nitrogen dioxide, ammonia and formaldehyde dominate. We studied the water regime of littleleaf linden (Tilia cordata Mill.) trees in habitats with diverse pollution levels from...

Mycorrhiza formation plays a key role in the adaptation of light-coniferous species of urbanized territories, since the fungal symbiont acts as a barrier against technogenic impact. The article presents the study of mycorrhiza formation of Pinus sylvestris and Larix sukaczewii in urbanized ecosystems of the Strelitamak industrial center, Republic o...

The industrial and transport effect on the environment is distinguished most significantly by the formation of technogeneous geochemical anomalies in the urban landscape. This study was conducted within the boundaries of urban agglomeration (Penza city) for two years (2014 and 2015) during the summer (June to August). To determine the effect that t...

The paper presents the results of the study of seasonal changes in the morphological parameters of leaves of the silver birch (Betula pendula Roth). The investigation was carried out in the plantations within the Ufa industrial center. Permanent sample plots were selected taking into account the level of pollution and were laid in the zone of the d...

In 1980-1984, reforestation of the dumps of the Kumertau brown coal deposit (Republic of Bashkortostan, Russia) was carried out. Birch stands were created on the dumps of overburdened rocks. The authors studied the agrochemical properties of soils, described the state of birch stands and established the patterns of metal accumulation in birch organ...

The present research will analyse the technogenic load influence on chlorophylls a and b and carotenoid maintenance in Preural coniferous forest-forming trees during the vegetative period by using spectophotometery; it will also reveal species-specific reactions. The ecological species-specificity of the adaptations of pine, spruce and larch pigmen...

Introduction. Materials on the distribution of heavy metals in the organs of Larix sukaczewii Dyl are presented in the conditions of the pollution of the industrial center of Sterlitamak. Material and methods. Using the atomic absorption method, the content of copper, lead, and cadmium in the soil cover, needles, branches, and roots was determined...

Представлен обзор природного комплекса уникальных памятников природы Республики Башкортостан - шиханов Тратау и Юрактау. Подробно рассматриваются особенности геологии, почвенного и лесного покрова, флоры и растительности. Обсуждаются вопросы сохранения этого уникального природного наследия.

В монографии представлены результаты дендроэкологических исследований, выявлены особенности естественного возобновления, формирования подроста и древесного полога в контрастных лесорастительных условиях Уфимского плато, где в качестве экстремального природного фактора выступает многолетняя почвенная мерзлота. Показано высокое синтаксономическое раз...

В монографии приводится дендроэкологическая характеристика сосны обыкновенной, произрастающей в техногенных ландшафтах Предуралья (Уфимский промышленный центр). Рассмотрены реакции сосны обыкновенной на действие нефтехимического загрязнения, выявлены адаптивные реакции надземной и подземной части сосны, направленные на снижение негативного воздейст...

Without Abstract

Conifers that have perennial needles can play a role of plant filters in the city throughout the year. Many coniferous trees, including Scotch pine, are characterized by high gas-consuming capacity (Kulagin, 1974; Getko et al. , 1978). The state of trees and their resistance to the effects of industrial pollution depend not only on the state of the...

The development of broad-leaved species was studied under the canopy in water-regulation forests near the Pavlovskii Reservoir. In extreme forest-growing conditions, the normal growth of trees was slowed down. In the first subgroup of virginal age state, the formation of xylorhizome (linden, elm, and maple) and xylopodium (oak) was also retarded. T...

In conclusion, note that petrochemical environmental pollution in the UIC impairs the vital state of L. sukaczewii stands but does not destroy the forest stands entirely. The increase in soil root density may be regarded as one of the adaptive mechanisms increasing the resistance of L. sukaczewii to technogenic factors. This agrees with the adaptat...

A relative life state of Scots pine (Pinus sylvestris L.) plantations is characterized. The data on the soil root saturation and specific features of developing the root system in pine trees of sanitaryÐprotective plantations in the Ufa industrial center were obtained. In conditions of oil pollution, the root saturation of the soils becomes higher,...

Alga groups with predominance of Chlorophyta species were revealed in the root-inhabiting layer of soils under coniferous stands in the territory of the Ufa industrial center (Cis-Ural region). The distribution of algae alongsoil profile is related to the root saturation in the soil. Under pollution, the species diversity of green, yellowgreen alga...