scholarly journals The current state of the pine shelter belt in the steppe zone of the Krasnoyarsk Territory

2021 ◽  
Vol 20 (1) ◽  
pp. 269-273
Author(s):  
A. I. Lobanov ◽  
V. V Mulyava ◽  
N. A. Konovalova
Keyword(s):  
Arable Land ◽  
Average Diameter ◽  
Steppe Zone ◽  
Forest Belt ◽  
Average Height ◽  
Current State ◽  
Pine Trees ◽  
Shelter Belts ◽  
Forest Belts ◽  
Forest Shelter Belts

xModern forest shelter belts do not fully protect arable land and most often have a different life state. In theseconditions, the preservation of forest belts, their performance of protective functions in the system of agroforestry andother complex measures remains an urgent task. The studies were carried out in a field-protective forest belt located in thevicinity of the Oktyabrsky village of the Krasnoturansky district of the Krasnoyarsk Territory, where a temporary test plotwas laid using generally accepted methods. The aim of the research was to study the current state of this forest belt by identifying the sanitary state and preservation of the stand and growth rates of Scots pine. Analysis of the current state of thestand showed that the average category of the state of trees is 1.3 points. The stand safety is 44.9%. Pine trees at the age of 28after planting have reached an average height of 11.6 m with an average diameter of 19.1 cm. The forest belt has an optimalopenwork-blown design and is capable of self-renewal naturally. To prevent further degradation of arable leached chernozems in treeless areas of the steppe zone of the Krasnoyarsk Territory, it is advisable to create pine forest shelter belts.

scholarly journals INFLUENCE OF FOREST SHELTER BELTS ON THE WATER CONSUMPTION INDICATOR OF SPRING BARLEY

2020 ◽  
Vol 10 (1) ◽  
pp. 69-75
Author(s):  
Ol'ga Ruleva ◽  
Elena Seminchenko
Keyword(s):  
Water Consumption ◽  
Spring Barley ◽  
Grain Filling ◽  
Forest Belt ◽  
Factors Affecting ◽  
Functional Relationships ◽  
Shelter Belts ◽  
Forest Belts ◽  
The Impact ◽  
Forest Shelter Belts

The article presents research materials on the impact of shelterbelts on the growth and development of spring barley. It has been established that the reserves of productive moisture on the inter-strip cell are distributed unevenly and vary depending on the distance from the forest belt. The greatest spring moisture reserve (in the conditions of agroforestry) accumulates in the zone from 5H to 15N from forest shelter belts. The yield of spring barley in the inter-strip space is formed depending on the distance to the forest belt. The distance from the forest belt and its influence on the phases of plant development has been critically evaluated based on mathematical modeling and empirical data. Data on the average daily moisture consumption of barley plants by development phases have been processed to clarify the factors affecting the formation of the crop. Functional relationships have been obtained using STATICTIKA computer program. High correlation between the distance from the forest belt and the phases of barley has been found: tube forming (R = -0.94), booting stage (R = -0.93), blooming period (R = -0.93). The forecast for barley development in the phases of grain filling and ripening is slightly lower and amounted to R = -0.89. The relationship between the coefficient of water consumption and the distance from the forest belt has not been identified. The analysis has showed the influence of the barley water consumption coefficient depending on the distance to the forest belts on the vegetation phases of this crop. The results of the study indicate the important role of forest belts

scholarly journals On the Issue of Research of Information Support of Sustainable Agricultural Landscapes Formation

2020 ◽  
Keyword(s):  
Agricultural Land ◽  
Ecological Impact ◽  
Arable Land ◽  
Agricultural Landscapes ◽  
Information Support ◽  
Erosion Processes ◽  
Shelter Belts ◽  
Forest Belts ◽  
Methodological Approaches ◽  
The Creation

Purpose. To characterize the methodological approaches that we develop in the formation of a system of information support for the creation and maintenance of the functioning of modern sustainable agricultural landscapes and to show the results of their implementation on the example of the territory of some agricultural enterprises of the Kharkiv region. Methods. Cartographic, geoinformation analysis, calculation, statistical and mathematical. Results. Some results of the work of the collective on the issues of information support for the creation and maintenance of the functioning of modern sustainable agricultural landscapes. Namely, verification of erosion models, studies of the functionality of shelter belts, the formation of an agroeconet (an extensive network of natural and quasi-natural landscapes) on agricultural land massifs, which ensures the maintenance of stable functioning of meso and macrolevel agrolandscapes, as well as the experience of using magnetic prospecting methods to verify the results of mathematical modeling of erosion processes. Conclusions. A number of methodological approaches to information support of the formation of sustainable agricultural landscapes in the natural and socio-economic conditions of Ukraine have been developed. They relate to the functioning of anti-erosion measures of permanent action, the processes of modern transformation of agro-landscapes, the ecological impact of erosion processes on the environment. The connection between the length of forest belts per unit of arable land and soil erosion is shown. A methodical approach has been developed to estimate the amount of soil washed away from arable land and to calculate the measures necessary to eliminate its harmful effects on the environment.

scholarly journals Dynamics of the agroecological state of typical chernozem under forest belts depending on the location in the relief (Kursk region, Russia)

2020 ◽  
Vol 10 (1) ◽  
pp. 40-62
Author(s):  
Tatyana I. Pankova
Keyword(s):  
Agricultural Landscape ◽  
Southern Slope ◽  
Typical Chernozem ◽  
Maximum Increase ◽  
Humus Substances ◽  
Arable Farming ◽  
Shelter Belts ◽  
Forest Belts ◽  
Kursk Region ◽  
Forest Shelter Belts

Features of fertility dynamics indicators of typical chernozem determining agroecological state soil under these ecosystems are established under differentage forest shelter belts located on various slope exposures on the territory of the experimental field of All-Russia Research Institute of Arable Farming and Soil Erosion Control (Kursk Region, Medvensky District). The study period was 16 years, the age of the forest shelter belts is 20 and 36 years. It is found out that longterm growth of woody plants on typical chernozem results in an increase in its fertility. Moreover, there is the variation of soil properties differs in intensity in forest shelter belts that differ by location in the relief. In all forest shelter belts, regardless of the location in the relief, there is an improvement in the agrophysical state of the soil, an increase in the content of humus, mobile humus substances, mobile potassium, and phosphorus. However, the intensity of changes varies depending on the exposure of the forest shelter belt on the slope. So, on the southern slope there was a maximum increase in the content of humus, mobile phosphorus, exchange bases, and water-flow aggregates. In the soil of the watershed plateau, there was a significant increase in the content of humus, the degree of humification, mobile humus substances, but their qualitative composition and content of agronomically valuable aggregates have not changed. On the northern slope, there was the maximum increase in the criterion of water resistance of soil. With increasing age of forest belts, the aboveground herbaceous phytomass increases with an increase in its share of green biomass and the amount of accumulated litter decreases. The highest phytomass productivity was in the offshore forest belt of the southern slope. Studies have shown that long-term growth of forest shelter belts improves the agroecological state of the soil, regardless of their position in the terrain, which contributes to an increase in the ecological potential of the agricultural landscape. A correct understanding of the direction of changes in the agroecological state of the soil will optimize the structure and functioning of the agricultural landscape.

scholarly journals Flow-regulating capacity of forest belts in connection with their taxation characteristics

2021 ◽  
Author(s):  
V. M. Ivonin ◽  
Keyword(s):  
Soil Erosion ◽  
Forest Canopy ◽  
Robinia Pseudoacacia ◽  
Average Diameter ◽  
Cross Sectional Area ◽  
Average Height ◽  
Sectional Area ◽  
Cross Sectional ◽  
Trunk Diameter ◽  
Forest Belts

Purpose: to investigate the flow-regulating role of forest belts in connection with their taxation characteristics. Methods: artificial sprinkling of soils under the forest belts canopy. Results. Pseudoacacia robinia prevails in the forest belts in Rostov region (basin of the Kundryuchya river, ordinary chernozems). By the age of 35, this species can reach an average height of 12 m, an average diameter of 12 cm. Regression equations for the relationship of the runoff coefficients with the average height of Robinia pseudoacacia and its average diameter, wood reserves of forest belts and cross-sectional areas of trunks were obtained. These taxation characteristics determine the precipitation absorption intensity through the tree waste bulk and forest flor, root saturation, water-physical and chemical properties of the topsoil, which change with the age of plantings. When the age of 20 years is exceeded, the forest belts will completely absorb high intensity rainfall. At this age, the Robinia pseudoacacia will exceed the average height of 9.4 m, and its average trunk diameter will approach 10 cm. At the same time, the stock of raw wood in the forest belt will reach 57 m³/ha, and the cross-sectional area of the trunks – 11 m²/ha. The functional relationship between soil erosion and runoff coefficients confirms the close relationship between soil erosion and the main taxation characteristics of forest belts. The analysis of these relationships showed that storm erosion of soil under the forest canopy is completely absent when the taxation indicators reach the following values: the average Robinia height is 9 m, the average trunk diameter is 9.2 cm, the stock of wood is 46 m³/ha, the cross-sectional area of the trunks is 10.2 m²/ha. Conclusions. By the age of the forest belts 20 years, the runoff under the forest canopy will be completely regulated, and there will be no soil erosion. Forest belts older 20 years need to enhance their flow-regulating capacity by combining them along the lower edge with the simplest hydraulic structures.

scholarly journals RECREATIONAL INFLUENCE ON THE CONDITION AND STRUCTURE OF FOREST SHELTER BELTS

2018 ◽  
pp. 84-93
Author(s):  
N. Y. Vysotska ◽  
S. V. Sydorenko ◽  
S. H. Sydorenko
Keyword(s):  
Stand Structure ◽  
Average Diameter ◽  
Condition Index ◽  
Health Condition ◽  
Health State ◽  
Green Ash ◽  
Steppe Species ◽  
Shelter Belts ◽  
Long Term Impact ◽  
Forest Shelter Belts

The influence of recreation of varying intensity on the health condition and structure of forest shelter belts formed by common oak (Quercus robur L.) and green ash (Fraxinus lanceolata Borkh.) is estimated. The long-term impact of recreational pressure on shelterbelts that were identical at the time of creation was evaluated. It was found that the long recreational influence of different intensity leads to a significant decrease in the stocking of the tree stand (by 27.5%), changes in the stand structure, deterioration of health condition (in the S-2 section, the health condition index was І.7 and in the S-1 section, ІІ.3) and a decrease in the average diameter of the trees (by 20.5 %). In addition, such an effect led to a significant reduction in the density, both for advance growth (by 73.5 %) and undergrowth (71.3 %), which ultimately affected the change in the openness of the vertical profile of the shelterbelt. Frequently, uncontrolled burning of refuse and dry grass by recreators provoked the emergence of surface fires and additional weakening of the trees in the stand (the health state of damaged trees fluctuated within the 3-4 category of health condition) as well as partial destruction of the advance growth and undergrowth. Cenomorphic analysis of forest phytocoenoses by Belgard revealed the predominance of ruderants. Sylvants (typical species for the forest) and Pratants (steppe species) are represented by three species and have occurred seldomly.

scholarly journals FEATURES OF ULMUS PUMILA L. SEEDLING COPPICE ON ARABLE LANDS IN THE STEPPE ZONE OF KHAKASSIA

2018 ◽  
Vol 13 (4) ◽  
pp. 61-65 ◽  
Author(s):  
Марина Мартынова ◽  
Marina Martynova
Keyword(s):  
Arable Land ◽  
Steppe Zone ◽  
Dry Mass ◽  
Windward Side ◽  
Leeward Side ◽  
Optimal Size ◽  
Ulmus Pumila ◽  
Crown Density ◽  
Grass Stand ◽  
Shelter Belts

In the 90s of the last century, the volume of spontaneous conservation of arable land in Central Siberia amounted to 1.1 million hectares. Unproductive land with forest melioration facilities, which are used as pastures, underwent spontaneous conservation. Currently, there is an active overgrowing of fallow fields with elm trees and shrubs. In order to use forest forests effectively, it is necessary to remove excess tree-shrub vegetation. Studies of the characteristics of the seed renewal of Ulmus pumila L., growing on spontaneously conserved, highly degraded lands used as pastures, were carried out in 2013–2017. in the steppe zone in the territory of Khakassia. The term conservation of arable land is 17 years. Conditions for the growth of natural renewal Ulmus pumila adverse. 47% of the undergrowth of Ulmus pumila belonged to the category of sanitation - weakened. The main part, 73%, of the undergrowth was small and did not exceed 50 cm in height. On interband lanes, natural renewal was unevenly distributed. On the leeward side of the parental forest shelter belts at a distance of up to 20 m, 65% grew; on the windward side at the same distance - 18% of all existing Ulmus pumila. The optimal size of Ulmus pumila at the age of 10 years was from 1.0 to 2.5 thousand units per hectare, since with these indicators the maximum productivity of grass stand was obtained - 12.7 kg per hectare of air-dry mass. In order to increase the productivity of the grass stand at the forest pasture, it is necessary to carry out a radical improvement in the destruction of excessive shrub vegetation. Woody plants of less than 2.5 thousand units per hectare should be left on the fields, provided that they are evenly distributed over the territory so that Ulmus pumila, having reached its adult state, forms plantations with optimum crown density, which should not exceed the value of 0.2.

scholarly journals Decoding of forest belts using satellite images

2021 ◽  
Vol 875 (1) ◽  
pp. 012065
Author(s):  
A V Koshelev ◽  
N A Tkachenko ◽  
M O Shatrovskaya
Keyword(s):  
Forest Belt ◽  
Visual Interpretation ◽  
Administrative District ◽  
Horizontal Projection ◽  
Space Images ◽  
Current State ◽  
Volgograd Region ◽  
Forest Belts ◽  
Protective Forest ◽  
Remote Sensing Methods

Abstract The paper presents the results of decoding the current condition of protective forest plantations of the Volgograd region and their digital inventory mapping on the basis of remote sensing methods and GIS technologies. We have applied a three-level analysis of the system of forest belts located within an administrative district, a farmstead, and a single forest belt. The laboratory visual interpretation of space images has allowed us to analyze the horizontal projection of the forest belts canopy and crowns, their placement in the canopy, as well as pattern and structure. We have also deciphered the signs of the prevailing patterns of tree species mixing. As a result of the research, we have created digital cartographic models of forest belts, compiled digital standards of elm stands in a given age period, assesse taxation and reclamation features of the current state of plantations. The results obtained can be used to monitor the state of plantings and create a local agroforestry GIS.

THE EFFECT OF ALTITUDE ON THE STRUCTURE OF ALEPPO PINE TREES IN THE CHETTABA FOREST (ALGERIA)

2021 ◽  
Author(s):  
Haddad Amar ◽  
Rached-Kanouni Malika
Keyword(s):  
Stand Structure ◽  
Average Diameter ◽  
Aleppo Pine ◽  
Average Height ◽  
Management Measures ◽  
Spatial Systems ◽  
Disturbed Areas ◽  
Pine Trees ◽  
Wide Variability ◽  
Relationship Of

Knowledge of vegetation characteristics is necessary for the management of disturbed areas. The aim of this study was to investigate the effect of elevation on tree structure in Aleppo pine spatial systems in the Chettaba forest, located in northeastern Algeria. An inventory of trees of P. halepensis forest formations was conducted based on dendometric parameters (tree diameter and height) which were measured on 4 plots (30 m × 30 m). The results obtained showed that the average height varies from 7.79 cm to 9.71 cm, while the average diameter appears from 24.39 cm to 30.61 cm, respectively. The height-diameter relationship of the trees varies with the altitude horizons (774 m to 1023 m). The Weibull theoretical distribution was used to characterize stand structure, due to its flexibility and the wide variability of distribution shapes it produces. Management measures, such as full protection of forest relics, will have to be implemented.

scholarly journals Health condition of the Scots pine (Pinus sylvestris) in Kampinos National Park – preliminary studies

2016 ◽  
Vol 58 (4) ◽  
pp. 240-245
Author(s):  
Łukasz Tyburski ◽  
Paweł Przybylski
Keyword(s):  
Scots Pine ◽  
National Park ◽  
Average Diameter ◽  
Good Health ◽  
Health Condition ◽  
Forest Monitoring ◽  
Average Height ◽  
Crown Condition ◽  
Tree Crowns ◽  
Pine Trees

Abstract In 2015 in Kampinos National Park (KNP), monitoring of tree crown condition was conducted in specimens of the Scots pine, which is the dominant tree species in the park (73.3%). The monitoring was aimed at providing information about the health of pine trees in the national park area. The monitoring was conducted on 26 plots throughout the park. The stands where the pine is not a dominant species were omitted. On each plot, 20 trees were subjected to assessment. In total, 520 pine trees were examined. The monitoring was conducted by the assessment of tree crowns based on the adapted forest monitoring methodology conducted as part of National Environmental Monitoring. On the basis of the monitoring, it was found that 75.4% of the trees are characterised by slight defoliation and 94.4% of the specimens were not found to have discoloration of the assimilation apparatus. No differences were found between areas situated closer and further from the administrative borders of Warsaw. On the basis of the monitoring, it was found that the pine trees in KNP are in a good health condition. Dendrometric measurements show that the average diameter at breast height (DBH) of the analysed trees is 26.6 cm. The average height of the trees is 20.4 m. The average age of the examined tree stands is 84. The monitoring will be continued in subsequent years in order to record the changes taking place in tree crowns.

scholarly journals Conservancy of forest shelter belts in Russia and the Rostov region as one of the factors of transition to a green economy

2021 ◽  
Vol 273 ◽  
pp. 08110
Author(s):  
Maria Rodina
Keyword(s):  
Forest Cover ◽  
Sustainable Growth ◽  
Green Economy ◽  
Natural Death ◽  
Rostov Region ◽  
Shelter Belts ◽  
Forest Belts ◽  
Protective Forest ◽  
Destructive Processes ◽  
Forest Shelter Belts

Today forestry in Russia is going through one of the most difficult periods in its history, which has resulted in decades of extensive wasteful land use. So, change of climate can bring desertification of some territories and various forms of degradation (desertification) cover about 60 percent of the land in the Rostov region, and the rest is potentially dangerous in this regard. The reasons are anthropogenic impact, drought, erosion, deflation. Despite the fact that in recent years Russia has been developing forestry legislation and has taken a course towards the development of sustainable growth and "green" one, the regions are taking measures aimed at protecting lands from degradation and preserving soil fertility, soil-destructive processes and desertification are increasing many times over. An inventory of forest resources in Russia was carried out in 2019 and it showed that the forest cover in Russia tends to decrease, and on the territory of the Rostov region, forest inventory was carried out in 2006, only 40% of all forests were taken into account - about 240 thousand hectares of protective forest plantations, from of them 125.8 thousand hectares are shelter belts. It’s imperative to enact urgent measures for reforestation and landscaping of territories and annually reconstruct forest belts and create new ones to improve environmental conditions in regions with low forest cover, otherwise in 10-15 years their mass natural death may occur.

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