Lichens as indicators of forest ecosystems in the Center of European Russia

2015 ◽  
Vol 5 (3) ◽  
pp. 65-75 ◽  
Author(s):  
Мучник ◽  
Eugenia Muchnik
Keyword(s):  
Indicator Species ◽  
Forest Ecosystems ◽  
Steppe Zone ◽  
European Russia ◽  
Forest Steppe ◽  
Habitat Conditions ◽  
Central Russia

The main are high demands to the habitat conditions (stenotopic or not) and confinedness only to oldgrowth and undisturbed forests and bogs as well as old parks. The lists of indicator species for biologically valuable forest landscapes in the coniferous-broadleaved, broadleaved forests subzones and forest-steppe zone of the Central Russia are given.

scholarly journals Detection of disturbed forest ecosystems in the forest-steppe zone using reflectance values

2019 ◽  
Vol 43 (3) ◽  
pp. 412-418
Author(s):  
E.A. Terekhin
Keyword(s):  
Discriminant Analysis ◽  
Forest Ecosystems ◽  
Steppe Zone ◽  
Short Wave ◽  
Automated Detection ◽  
Forest Steppe ◽  
Forest Land ◽  
Disturbed Forest ◽  
Spectral Ranges ◽  
Central Chernozem

This paper presents results of the assessment of discriminant analysis potentialities for detecting disturbed forest ecosystems in the forest-steppe zone using their reflectance spectrum properties. A new method is proposed for the automated detection of disturbed forest stands among forest-covered lands, based on the discriminant analysis of the magnitude of changes in the reflectance in various spectral ranges. Using experimental data from 1836 forest areas typical of the forest-steppe zone of the Central Chernozem region, we propose equations that allow a specific forest area to be classified as disturbed or undisturbed forests in an automated mode. The accuracy of disturbed forest detection is about 90%. It is found that variations in the short-wave infrared reflectance are most informative for disturbed forest land detection when compared with the reflectance variations detected by the Landsat sensors in the other spectral ranges.

Evaluation of the Possible Role of Ixodid Ticks in Natural Tularemia Foci in the Forest-Steppe Zone of European Russia

2021 ◽  
Vol 101 (2) ◽  
pp. 265-272
Author(s):  
M. I. Kormilitsyna ◽  
E. I. Korenberg ◽  
T. V. Mikhaylova ◽  
Yu. V. Kovalevskii ◽  
A. V. Amirkhanyan ◽  
...  
Keyword(s):  
Steppe Zone ◽  
European Russia ◽  
Ixodid Ticks ◽  
Forest Steppe

The genesis, classification, and melioration of gleyed podzolic chernozem-like soils in the north of the forest-steppe zone of European Russia

2014 ◽  
Vol 69 (2) ◽  
pp. 62-68
Author(s):  
F. R. Zaidelman ◽  
L. V. Stepantsova ◽  
A. S. Nikiforova ◽  
V. N. Krasin ◽  
S. B. Safronov
Keyword(s):  
Steppe Zone ◽  
European Russia ◽  
Forest Steppe ◽  
The North

scholarly journals Current carbon storage in forests of two ecoregions of Russia

2021 ◽  
Author(s):  
В.А. Усольцев ◽  
В.Ф. Ковязин ◽  
И.С. Цепордей
Keyword(s):  
Global Warming ◽  
Forest Inventory ◽  
Forest Ecosystems ◽  
Carbon Deposition ◽  
Steppe Zone ◽  
Forest Steppe ◽  
Taiga Zone ◽  
Biomass Expansion Factors ◽  
Comparison Of The Results

В связи с глобальным потеплением климата оценка углеродного цикла в лесных экосистемах приобрела особое значение. Один из методов определения депонированного в лесах углерода основан на использовании конверсионных коэффициентов биомассы (ККБ) и данных Государственного учета лесного фонда (ГУЛФ). Путем объединения моделей ККБ с данными ГУЛФ в двух экорегионах России – таежном и лесостепном – было установлено, что за 20–25- летний период накопление органического углерода в таежной зоне значительно меньше (5%) по сравнению с лесостепной зоной (39%). Несмотря на существующие риски стихийных бедствий в лесостепном экотоне, за четверть века наблюдается значительный рост депонированного углерода. Это произошло вследствие высокой доли молодняков в начале анализируемого периода, обладающих повышенным приростом по отношению к спелым древостоям. Сопоставимые результаты были получены одним и тем же методом в разных экорегионах планеты: от 8% за 5 лет в Китае до 68% за 50 лет в Японии. Сравнение результатов, полученных предложенным методом и методом IIASA (Австрия), показало минимальное расхождение (3%), что дает основание считать полученные оценки депонирования углерода близкими к реальности. Однако сохраняется неопределенность, связанная с качеством данных ГУЛФ и депонированием углерода в почве. Due to the global warming of the climate, the assessment of the carbon cycle in forest ecosystems has become particularly important. One method for determining deposited carbon is based on the use of biomass expansion factors (BEF) and State Forest Inventory (SFI) data. By combining BEF models with SFI data in two ecoregions of Russia – taiga and forest-steppe – it was found that over a 20–25-year period, accumulating the carbon deposition in the taiga zone is significantly less (5%) compared to the forest-steppe zone (39%). Despite the existing risks of natural disasters in the forest-steppe ecotone, there is a significant increase in carbon deposition over a quarter of a century. This was due to the high proportion of young stands at the beginning of the analyzed period, which have increased growth in relation to old stands. Comparable results were obtained by the same method in different ecoregions of the planet (from 8% in 5 years in China to 68% in 50 years in Japan). A comparison of the results obtained by the proposed method and the IIASA (Austria) method showed a minimal discrepancy (3%), which gives reason to consider the above estimates of carbon deposition close to reality. However, uncertainties remain related to the quality of the SFI data and the carbon deposition in the soil.

Steppificated broad-leaved forests of the alliance Aceri tatarici–Quercion Zólyomi 1957 on the Middle-Russian Upland

2014 ◽  
pp. 101-123 ◽  
Author(s):  
Yu. A. Semenishchenkov ◽  
A. V. Poluyanov
Keyword(s):  
Eastern Europe ◽  
Quercus Robur ◽  
Steppe Zone ◽  
Forest Steppe ◽  
Acer Pseudoplatanus ◽  
Central European ◽  
East European ◽  
Diagnostic Species ◽  
Central Russia ◽  
Quercus Species

Steppificated oak forests — the unique relic natural complexes of the Eastern Europe remained in Central Russia by small fragments. These forests are important elements of forest-steppe natural complexes and the reserves of rare plant species. In the European scientific literature the questions of their syntaxonomy, features of structure and dynamics are discussed (Mucina at al., 1993; Chytrý, 1997; Chytrý, Horak, 1997; Roleček, 2005, 2007; Kevey, 2008; etc.). The data on phytocoenotic diversity of such forests in Central Russia were obtained only recently but they are fragmented and insufficient. According to the Braun-Blanquet approach these forests belong to the subcontinental forest-steppe alliance Aceri tatarici–Quercion Zólyomi 1957. Such forests are described within the areas of distribution of two important edificator species — Acer tataricum and A.campestre which the northeast areal border generally corresponds to the northeast border of the forest-steppe zone. On the basis of geobotanical data collected by the authors on the Middle-Russian Upland (Belgorod, Kursk, Tula regions) the 4 new associations within the alliance Aceri tatarici–Quercion Zólyomi 1957 are described. Floristic differentiation of new syntaxa from the Central-European syntaxa is demonstrated by the DCA-ordination. Authors propose an original combination of the diagnostic species for this alliance, for the area studied. Taking into account the floristic specificity of the forests of the region, we suggest uniting of the established associations into the new suballiance Crataego curvisepalae–Quercenion roboris. This alliance represents the East European mesoxerophyte broad-leaved (with Quercus robur) forests of forest-steppe zone of the Middle Russian subprovince of the East European forest-steppe province. The diagnostic species of the suballiance are following: Quercus robur, Acer platanoides, Chamaecytisus ruthenicus, Crataegus curvisepala, Frangula alnus, Melampyrum nemorosum, Sorbus aucuparia, Tilia cordata, Vibur­num opulus. The suballiance is diagnosed by absence of thermophilous ous Quercus species, in particular, Q.petraea, Q.pubescens, Q.cerris, etc., their hybrid forms, and also some Central European and Sub-Mediterranean trees and shrubs: Acer pseudoplatanus, Carpinus betulus, Crataegus laevigata, C.monogyna, Cornus mas, Fagus sylvatica, Ligustrum vulgare, Sorbus aria, S.tomentosa, Tilia argentea, T.plathyphyllos, Viburnum lantana, Ulmus minor. Results of the research spread our knowledge on distribution of the steppificatedbroad-leaved forests in the Central Russia. and geography of the alliance Aceri tatarici–Quercion in Eastern Europe.

scholarly journals Micromorphological characteristics of sandy forest soils recently impacted by wildfires in Russia

2017 ◽  
Author(s):  
Ekaterina Maksimova ◽  
Evgeny Abakumov
Keyword(s):  
Forest Soils ◽  
Steppe Zone ◽  
Fire Effects ◽  
Forest Steppe ◽  
Calcium Carbonates ◽  
Surface Fires ◽  
Central Russia ◽  
Sandy Forest ◽  
Green Zone ◽  
Soil Pores

Abstract. Two fire affected soils have been studied using micromorphological methods. The objective of the paper is to assess and compare fire effects on micropedological organization of soils in a forest steppe zone of the Central Russia (Volga Basin, Togljatty city). Samples were collected in the green zone of Togljatti city. The results showed that both soils were rich in quartz, feldspar. Mica was highly present in soils affected by surface fires, while calcium carbonates were identified in the soils affected by crowns. The type of plasma is humus-clay, but the soil assemblage is plasma-silt with the prevalence of the silt. Angular and subangular grains are the most dominant in soil particulates. No evidence of intensive weathering was detected. There was a decreasing of the porosity in soils affected by fires as consequence of soil pores filled with ash and charcoal.

scholarly journals The phenological observations as the basis for the formation of the database of phenological spectrums of woody plants

2020 ◽  
pp. 77-84
Author(s):  
O. Yu. Emelyanova ◽  
М. F. Tsoy ◽  
L. I. Masalova
Keyword(s):  
North American ◽  
Woody Plants ◽  
Practical Interest ◽  
Weather Conditions ◽  
Growing Season ◽  
Steppe Zone ◽  
Climatic Conditions ◽  
Seasonal Development ◽  
Forest Steppe ◽  
Central Russia

Relevance. A study of the seasonal (phenological) phenomena and natural connections between them on the background of the relevant environmental conditions is of great scientific and practical interest. Knowledge of the dynamics of the seasonal development of woody plants helps in the selection of species and their assessment from an aesthetic and sanitary points of view, as well as in the development and implementation of measures to increase the sustainability of urban green spaces. Materials and methods. The purpose of these studies is to create a database of the dynamics of seasonal development of North American woody plants based on the results of many years of phenological monitoring (2003-2017). The 20 species and forms of North American woody introducers e of the VNIISPK arboretum genetic collection were the objects. Results. It was revealed that the growing season of woody North American plants corresponds to the climatic conditions of the forest-steppe zone of central Russia. The species with the earliest beginning of the growing season (the third decade of March) were distinguished. There were Mahonia pinnata, M. aquifolia, Betula lenta and B. lutea. On the basis of phenological calendars, phenological spectrums have been constructed. These consist of three lines (the development of leaves, shoots, flowers and fruits) with the corresponding color symbols. It has been revealed that phenospectrums vary depending on the conditions of the year. As a result, the database of 20 species and forms of North American woody plants was formed in the form of phenological spectrums against the background of registration of weather conditions in the forest-steppe zone of Russia. The database includes three options for the possible dynamics of the seasonal development of introduced North American plants. The created database allows observing, comparing, evaluating and forecasting changes in the seasonal rhythm of the studied species of introduced North American plants.

scholarly journals Ranunculus polyphyllus Willd. still grows in Slovakia

2021 ◽  
Vol 31 (2) ◽  
Author(s):  
Daniel Dítě ◽  
Miloš Balla ◽  
Zuzana Dítě
Keyword(s):  
Central Europe ◽  
Agricultural Land ◽  
Steppe Zone ◽  
Rice Fields ◽  
Distribution Range ◽  
Forest Steppe ◽  
Habitat Conditions ◽  
Natural Wetlands ◽  
Secondary Habitats ◽  
Recent Occurrence

Ranunculus polyphyllus is a Eurosiberian species of the Eurasian forest-steppe zone, extremely rare in the western part of its distribution range, in Central Europe. In Slovakia, this lowland semiaquatic plant has its westernmost border, where only a few historic locations are known, and which have not been confirmed since 1965: one on the Podunajská nížina Lowland and three on the Východoslovenská nížina Lowland. These records, however, do not include any vegetation data. The species has been recently rediscovered in Slovakia on the Východoslovenská nížina Lowland: one historical site was confirmed in 2020 in the periodically inundated pasture near Strážne settlement, and a second site was found in 2021 near Zemplínske Hradište in a flooded depression in intensively used agricultural land which was formerly used as rice fields. In its European range, this species has been observed only in natural wetlands, and its ability to occupy secondary habitats has not yet been reported. Here we provide new data on the recent occurrence of Ranunculus polyphyllus in Slovakia with regard to its vegetation and habitat conditions.

scholarly journals Occurrence of the insectivores and rodents in the Samarskaya Luka (European Russia)

2021 ◽  
Vol 9 ◽  
Author(s):  
Nadezhda Kirillova ◽  
Alexander Kirillov ◽  
Victoria Vekhnik ◽  
Anastasia Klenina
Keyword(s):  
Small Mammals ◽  
Small Mammal ◽  
Steppe Zone ◽  
European Russia ◽  
Russian Plain ◽  
Forest Steppe ◽  
Mammal Species ◽  
Volga River ◽  
In The Wild ◽  
Samarskaya Luka

In this paper, we present our dataset containing up-to-date information about occurrences of small mammals (Erinaceomorpha, Soricomorpha and Rodentia) on the territory of Samarskaya Luka. It is a bend of the Volga River in the southern part of the forest-steppe zone of the Russian Plain (European Russia). This unique territory is surrounded on almost all sides by water. The dataset summarises small mammal occurrences noted in long-term studies in Samarskaya Luka from 2000 to 2020. A major part of the dataset was obtained during our helminthological study of small mammals. Besides, some data were attained when studying the ecology of tree-dwelling rodents. Our studies of small mammals were conducted by trap lines and direct observations in the wild. The dataset includes 8147 records of erinaceomorphs, soricomorphs and rodents of 26 species (of total 28) belonging to three orders, nine families and 21 genera. It is based on the research of the staff of the Institute of Ecology of the Volga River Basin of the Russian Academy of Sciences and the Zhiguli State Nature Reserve. The distribution of erinaceomorphs, soricomorphs and rodents in Samarskaya Luka has not been completely studied and further investigation may well discover new small mammal habitats. Our dataset contains new information on occurrences of erinaceomorphs, soricomorphs and rodents in Samarskaya Luka (European Russia). All occurrence records of 26 mammal species with georeferencing are published in GBIF for the first time. The occurrence data are stored in our field journals and we would like to make them available to all researchers.

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