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Showing 301-350 of 591 records
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

LANDSLIDE PROCESSES- IMPACT ON AUTOMOBILE ROAD CHARACTERISTICS

(STEF92 Technology, 2022-11-15, Ainur Kairanbayeva, Zh. Zhantayev, Gulnara Nurpeissova, Dina Panyukova, A. Kiyalbayev)

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The research is part of the -Design of an intelligent system to forecast landslides' processes and their influence on the roads' technical and operational characteristics- project financed by the Ministry of Education and Science of the Republic of Kazakhstan by AP09260066 program. The research goal is in surveying deformed parts of -Almaty-Cosmostation- automobile road nearby critical slopes to identify in the next phases the causes of pavement degradation and formulate then the recommendation to prevent such deg...

Geodesy and Mine Surveying2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies
Publication

LATITUDINAL VARIATIONS OF VOLCANIC SULFATE AND ITS INFLUENCE ON AIR TEMPERATURE

(STEF92 Technology, 2022-11-15, Yavor Chapanov)

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The climate change is strongly affected by the increase of anthropogenic greenhouse gas emissions, such as carbon dioxide, methane, nitrous oxide, and fluorinated gases. Other important atmospheric factors of climate change are stratospheric sulfur aerosols, whose ability to reflect solar radiation back to the space cause cooling effect. Sulfur aerosols have common natural and anthropogenic origin. The volcanos are a major source of particles in the stratosphere, whose lifetime depends on various atmospheric proce...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

LEGAL MODELS AND PROBLEMS IN PRIVATE AGRICULTURAL LAND USE IN BULGARIA

(STEF92 Technology, 2022-11-15, Bisserka Marinova)

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This paper provides a detailed picture of the existing legislation of agricultural land use by entities who do not own it in Bulgaria and makes specific suggestions to improve it, aiming at creating a legislative framework enhancing productivity and sustainability. The study is briefly considering the historical and economic factors for the development of the case law in line with the legal framework in thiscontext. Attention is also paid to the goals of the European Union (EU) to provide properconditions for tech...

Cartography and GIS2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

LEVELS OF RADIONUCLIDE CONTAMINATION OF FISH OF VERSHYNA LAKE IN THE CHORNOBYL EXCLUSION ZONE

(STEF92 Technology, 2022-12-27, A.E. Kaglyan, D. I. Gudkov, С. И. Киреев, L.P. Yurchuk, M.A. Menkovska)

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The levels of specific activity of 90Sr and 137Cs in fish of one of the most polluted reservoirs of the Chornobyl Exclusion Zone (ChEZ) - Vershyna Lake. During the research period from 2011 to 2021 for all studied fish of the lake. The peak ranges of the specific activity of radionuclides are noted at the level of 32960-213300 (average value 67832-22936) Bq/kg for 90Sr and 838-25907 (4811-569) Bq/kg for 137Cs. It is shown that at the current stage, the specific activity of 90Sr in the ichthyofauna of the lake exce...

Nuclear Technologies2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

LOW-CARBON INDUSTRIAL POLICY IN TURBULENT TIMES: THE CASE OF RUSSIA

(STEF92 Technology, 2022-11-15, O. V. Kudryavtseva, Alexander Kurdin, Ekaterina Yakovleva)

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The impact of anthropogenic greenhouse gas emissions on the increase in the average temperature on the planet and the risk of initiating irreversible processes are recognized by most of the scientific community as real threats to humanity. Many countries have a legal and institutional framework for a consistent industrial policy taking into account the climate and environmental components, including carbon accounting. Russia is a country with high intensity of production-based CO2 emissions. In is well-known that ...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MACRO-MECHANICAL AND MICRO-MICROMECHANICAL PROPERTIES OF NANO-ENHANCED MAGNESIUM OXYCHLORIDE CEMENT

(STEF92 Technology, 2022-11-15, Adam Pivák, Martina Záleská, Zbyšek Pavlík, Milena Pavlíková)

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This study is focused on influence of graphene nanoplatelets as additive in magnesium oxychloride cement (MOC) paste. This material composed of light-burned magnesia, prepared at lower temperatures than ordinary Portland cement (PC), is considered as its eco-efficient low-carbon alternative with properties comparable to high-performance concrete such as high mechanical resistance, stiffness., and low porosity. Two composite pastes were prepared, reference paste and paste enhanced with graphene, and subjected to se...

Green Buildings Technologies and Materials2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MACROMYCETES AND PLANTS FROM AREAS AFFECTED BY ANTIMONY MINING - BIOCONCENTRATION FACTORS

(STEF92 Technology, 2022-11-15, Ivona Kautmanová, Eliška Gbúrová Štubňová, Bronislava Lalinská‐Voleková, Tomáš Faragó)

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Species of macrofungi were collected from extremely polluted sampling spots in the vicinity of abandoned antimony mines in Slovakia. Concentrations of potentially toxic elements in plants and fungi were determined by ICP-MS and in soils and sediments by both ICP-MS and ICP-ES. Of the edible species the highest values of arsenic and cadmium were recorded in Agaricus arvensis, lead in Imleria badia and representatives of the genera Boletus, Leccinum and Suillus accumulated high levels of mercury. Suillus species als...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems
Publication

MARITIME AGENDA AS AN ANCHOR OF RESEARCH COLLABORATION IN THE BALTIC SEA BASIN

(STEF92 Technology, 2022-11-15, Andrey S. Mikhaylov, Anna A. Mikhaylova)

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From time immemorial, the oceans, seas and their coasts have been the cradle of human civilization and still play a vital role in the lives of millions of people, indirectly affecting all of humanity. The phenomenon of coastalization suggests that our reliance on and dependence from marine and maritime sectors will grow, and their sustainable development is a topical challenge. The Blue growth strategy addresses this issue on a Pan-European level, fostering research and innovation with regards to marine environmen...

Marine and Ocean Ecosystems2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

MEASURING AND EVALUATION OF THE ECHOGENICITY GRADE OF SUBSTANTIA NIGRA IN MRI SEQUENCES VS B-MODE ULTRASOUND IMAGING USING THE SAME ALGORITHM: PILOT COMPARISON STUDY

(STEF92 Technology, 2022-11-15, Jiří Blahuta, Tomáš Soukup, Jan Lavrinčík, Lukáš Pavlík, Jiří Kozel)

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Diagnostic ultrasound (US) and magnetic resonance imaging (MRI) are important medical imaging methods in modern radiology. Our research is focused on imaging brain structures in neurology. In this paper we present differences of digital image analysis of the substantia nigra (SN) between US and MRI using the same algorithm. In the past, we developed an application for analyzing substantia nigra echogenicity in BMODE US images. Our developed application is based on a principle of binary thresholding in Region of In...

Informatics2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MECHANICAL BEHAVIORS OF POLYESTER RESINS REINFORCED WITH UNIFILO FIBERGLASS

(STEF92 Technology, 2022-11-15, Diana-Irinel Băilă, Răzvan Păcurar, Ancuța Păcurar)

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In the last years, composite materials are increasingly used in automotive, aeronautic, aerospace, construction applications. Composite materials have been used in aerospace in applications such as engine blades, brackets, interiors, nacelles, propellers/rotors, single aisle wings, wide body wings. The fields of use of composite materials have multiplied with the improvement of material properties, such as stability and adaptation to the environment, mechanical tests, wear resistance, moisture resistance, etc. The...

Micro and Nano Technologies2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MECHANICAL PROPERTIES AND MICROSTRUCTURAL ANALYZES OF EPOXY RESINS REINFORCED WITH SATIN TISSUE

(STEF92 Technology, 2022-11-15, Diana-Irinel Băilă, Răzvan Păcurar, Ancuța Păcurar)

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Although the volumes of fiber reinforced polymer composites (FRPs) used for aircraft applications is a relatively small percentage of total use, the materials often find their most sophisticated applications in this industry. In aerospace the performance criteria placed upon materials can be far greater than in other areas - key aspects are lightweight, high-strength, high-stiffness and good fatigue resistance. Composites were first used by the military before the technology was applied to commercial planes. Nowad...

Micro and Nano Technologies2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MEDICINAL FUNGI OF THE GENERA OPHIOCORDYCEPS SINENSIS AND PAECILOMYCES HEPIALI

(STEF92 Technology, 2022-11-15, Anna Uhrinová, Lucia Ungvarská Maľučká, Martin Pavlík)

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Various secondary metabolites isolated from Ophiocordyceps sinensis, the Chinese caterpillar fungus, have been reported to possess high therapeutic potential. Paecilomyces hepiali has even more biologically important chemical components with interesting pharmacological activity. Traditional Chinese medicine uses Ophiocordyceps sinensis to treat lung and respiratory system problems, hyposexuality, hypolipidemia kidney, or liver, heart, and immune system conditions. In addition, it has been used to treat various for...

Advances in Biotechnology2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

METHOD FOR RAPID VERIFICATION OF THE PRESENCE OF AMMONIUM SALTS IN FLY ASH AT A CONCRETE PLANT

(STEF92 Technology, 2022-11-15, Daniel Dobiáš, Stanislav Řeháček, Petr Huňka, Karel Hurtig, David Čítek)

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Requirements relating to the quality of the flue gases produced have become more and more stringent in recent years. This is why the electricity producers, especially those using coal-fired units, have been forced to introduce additional environmental technologies. However, most of the coal-fired power plants and waste incineration plants in the Czech and Slovak Republics are following the same path, in particular for economic reasons. They are introducing the selective non-catalytic reduction of nitrogen oxides (...

Green Buildings Technologies and Materials2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Nano, Bio, Green and Space - Technologies For a Sustainable Future, VOL 22, ISSUE 6.2
Publication

METHODOLOGY FOR EVALUATING COMPONENTS IN THE PRODUCTION OF GREEN CONCRETE

(STEF92 Technology, 2022-12-27, Lilita Ābele, Anna Muhina)

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The construction sector generates more than a quarter of all carbon dioxide emissions, which contributes to the deterioration of the environmental situation in the world. This article describes one of the ways to reduce carbon dioxide emissions from construction by changing the type of concrete components. In this research, a comparison analysis of various criteria of Portland cement and Ground granulated blast-furnace slag (GGBS) was carried out. The main method for solving the problem of this study is the Multic...

Green Buildings Technologies and Materials2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

METHODS OF ACHIEVEMENT THEMATIC MAPS

(STEF92 Technology, 2022-11-15, Roxana Claudia Herbei, Mihai Valentin Herbei)

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A thematic map contains a spatial database that allows the user to add new information to that database. The ability to combine a variety of datasets in a variety of ways makes any GIS a useful tool for almost any field of knowledge. From routinely performing work-related tasks to scientifically exploring the complexity of our world, GIS offers people the geographic advantage of becoming more productive, more aware, and more receptive to the planet Earth. A GIS can be defined as a system designed to capture, store...

Cartography and GIS2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MICROBIAL COMPOSITION OF NATURAL Fe OXYHYDROXIDES AND ITS INFLUENCE ON ARSENIC AND ANTIMONY SORPTION

(STEF92 Technology, 2022-11-15, Bronislava Lalinská‐Voleková, Hana Majerová, Ivona Kautmanová, Tomáš Faragó, Dana Szabóová, Jana Brčeková)

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The presented paper represents a comprehensive analysis of hydrous ferric oxides (HFOs) precipitated from Fe rich drainage waters contaminated by arsenic and antimony. Ochre samples from three abandoned Sb deposits were collected in three different seasons and were characterized from the mineralogical, geochemical, and microbiological point of view. They were formed mainly by poorly crystallized 2-line ferrihydrite, with the content of arsenic in samples ranging from 0.7 wt.% to 13 wt.% and content of antimony ran...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Nano, Bio, Green and Space - Technologies For a Sustainable Future, VOL 22, ISSUE 6.2
Publication

MICROBIOLOGICAL PREPARATIONS IN AGRICULTURE - ALTERNATIVE AND ECONOMIC BENEFIT

(STEF92 Technology, 2022-12-27, Baiba Rivža, Vivita Viksnina)

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The European Union and its Member States have set themselves to achieve climate neutrality across the EU by 2050. The agricultural sector is one of the emitters of greenhouse gases (GHG). To achieve its climate neutrality goals of reducing the increase in global temperature to below 2-C and limiting it to 1.5-C, the EU has adopted the Green Deal and the Farm to Fork Strategy based on it. These goals create the need for the development and implementation of innovations. The agricultural sector will experience sever...

Advances in Biotechnology2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MICROENCAPSULATED POLYUNSATURATED FATTY ACIDS USED AS NUTRACEUTICALS

(STEF92 Technology, 2022-11-15, Cristina Emanuela Enăşcuţă, Elena-Emilia Oprescu, Elena Radu, Raluca Şomoghi, Vasile Lavric)

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Fish oils with a high content of polyunsaturated fatty acids (PUFAs) are gaining increasing interest in the food and nutraceutical industry, due to their important functional properties for human beings- health improvement. The most important PUFAs have at least two double bonds placed on the carbon chain. These include ?-linolenic acid (ALA), eicosapentaenoic acid (EPA) and docosahaxaneoic acid (DHA). Microencapsulation is a technique used to protect the bioactive compounds from oxidative damage, to ensure their ...

Advances in Biotechnology2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MICROSTRUCTURE, MINERALOGY AND PHYSICAL PROPERTIES OF KAOLIN & METAKAOLIN GEOPOLYMERS USED FOR SOLIDIFICATION AND STABILIZATION OF OIL AND GAS DRILLING WASTE OPERATIONS

(STEF92 Technology, 2022-12-27, Laila Houd Ben Giuma, Muna Hassan Bek)

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The production of oil and gas includes drilling a number of wells for exploration or production activities. During drilling operations, large volumes of drilling fluids are used to facilitate the process. In Libya, after completion of drilling operations drill cuttings and waste drilling fluids are typically discharged close to the oil fields without treatment. This can result in negative ecological impacts on the surrounding environment e.g. through infiltration of toxic constituents into soils and underground wa...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining
Publication

MINERAL DEPOSIT PLACEMENT IN THE OLIGOCENE-PLIOCENE SEDIMENTS OF THE TORGAI TROUGH AND THEIR PROSPECTS

(STEF92 Technology, 2022-11-15, Dinmukhammed Shamsutdin, Shattyk Miniskul, Saltanat Assubayeva, Gulnara Omarova, Shyryn Kisseyeva)

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The aim of this study is to determine the prospects of the region for the identification of new objects. For this purpose, it was necessary to solve the tasks of analyzing and summarizing all available geological data on the Torgai trough and based on this, to make forecast maps and determine the prospects for identifying deposits. Analysis of extensive factual data and outcomes of the sedimentary cover minerals was followed by interpretation of sections at the basic outcrops and wells. All this work resulted in c...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

MINERALIZING ACTIVITY OF THE SOIL MICROBIAL COMMUNITY OF THE CARBON POLYGON -CARBON POVOLZHIYE-

(STEF92 Technology, 2022-12-27, Natalia Danilova, Lilya Biktasheva, Laysan Shaimardanova, Polina Kuryntseva, Polina Galitskaya)

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The problem of carbon dioxide emission from the soil is relevant, since it affects the reduction of the soil organic carbon pool, thereby reducing its fertility and productivity. In addition, carbon dioxide emissions from the soil are a significant contributor to the greenhouse effect. The aim of this work was to evaluate the mineralizing activity of the microbial community of the soil of a new point of observation of carbon dioxide emissions, located in the previously little-studied territory of Russia, using suc...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems
Publication

MINIMUM RIVER FLOW ESTIMATIONS - TUNDZHA RIVER, BULGARIAN CASE STUDY

(STEF92 Technology, 2022-11-15, Elena Bozhilova, Plamen Ninov)

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River hydrology is a key component in river resources planning and river engineering. Our recent study is focused on flow metrics that best describe the registered flow regime and hydrological characteristics of rivers within the Tundzha watershed located in South Bulgaria. The flow regime will be described using 5 broad categories: magnitude of river flow; frequency; duration; timing and rate of change. A special attention in the research was given to the low flows. Thirteen hydrometrics stations were selected fo...

Hydrology and Water Resources2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

MINING SECTOR DIGITALIZATION IN KOSOVO

(STEF92 Technology, 2022-11-15, Sami Duraku, Emilia Todorova)

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Based on data from the last decade, institutions have faced an increasing number of applications for licenses and permits for raw materials, construction, industrial and metallic minerals. Receipt of applications and accompanying documents for licenses and permits is currently performed as a manual process and submitted by enterprises in hard copy format. Institutional officials consistently face with the difficulties in manually processing all data from applications and accompanying documents submitted, causing d...

Informatics2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

MITIGATION OF GREENHOUSE GAS EMISSIONS IN SOME CULTIVATED MINERAL SOILS FROM ROMANIA

(STEF92 Technology, 2022-12-27, Olga Vizitiu, Irina Calciu)

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The effect of management practices lead to significant variations of the net C balance of agricultural soils, and in this paper is estimated the impact of long-term cultivation on the soil organic carbon stocks. This paper also evaluates the potential of carbon sequestration of mineral soils through management practices in temperate agricultural systems, under dry climate regime. For fulfilling of the objective of this study, the -stock-difference method- was used for estimating the soil organic carbon stocks betw...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MOBILE MANIPULATOR-ROBOT FOR INSPECTION OF INCLINED WATER PIPELINES

(STEF92 Technology, 2022-12-27, Kamil Gajewski, Aleksander Skrzypiec, Mateusz Swierczek, Tymoteusz Turlej)

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Currently, many emphases are placed on the possibility of limiting excavation works in the event of water pipelines or sewage systems failure. For this purpose, various types of inspection and repair robots/manipulators are used, which can enter the installation's interior without the need to get into the pipe physically (e.g. with an excavator). Mobile robots allow you to diagnose the problem (or provide information on which section the failure occurred) and in some cases, to repair (unplug) the installation with...

Hydrology and Water Resources2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MOBILITY, TRANSPORT AND SUSTAINABLE URBAN ENVIRONMENT

(STEF92 Technology, 2022-11-15, Michal Kraus)

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The paper deals with the current state and development of smart cities in the Czech Republic in the context of sustainable mobility and transport and the improvement of the quality of life inhabited by small-scale cities. Today, cities are exposed to many challenges and are looking for new efficient transport solutions that will ease existing infrastructure, improve public space, and promote sustainable modes of transport. The growth of individual car traffic has caused numerous social conflicts and environmental ...

Green Design and Sustainable Architecture2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

MODELING AND DESIGN OF THE GEODATABASE OF THE CADASTRE OF NATURAL HEALING RESOURCES OF UKRAINE

(STEF92 Technology, 2022-11-15, Eugen Zakharchenko, Olexandr Svitlychnyi, Anatoliy Lyashchenko)

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The basis of the natural resource base of the resort and recreational sphere is made up of natural healing resources (mineral waters, mud, brine of lakes and estuaries). In the context of the introduction of the concept of sustainable development, special attention is paid to the assessment of natural conditions and resources, systematization and monitoring of data on natural healing resources of the country. The State Cadastre of natural healing resources is being developed to systematize data, knowledge and info...

Cartography and GIS2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

MODELING AND SIMULATION OF BIOMASS PYROLYSIS AND GASIFICATION PROCESSES

(STEF92 Technology, 2022-12-27, Pedro Maldonado, Giane Gonçalves Lenzi, Hélder Gomes, Paulo Brito)

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For many years, oil derivatives, natural coal, and natural gas were used and still are, as primary energy supply due to their calorific potential, and their great availability on the planet. However, the utilization of these feedstocks causes greenhouse effects and helped in global warming, creating a general concern about this issue, and leading to the creation of urgent measures to overcome these problems. Hence, guidelines and public policies were granted to guarantee the reduction of emissions and increase the...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies
Publication

MODELING OF NONLINEAR STABILITY OF AUTOMATIC CONTROL SYSTEMS OF PELTIER THERMOELECTRIC MODULES

(STEF92 Technology, 2022-11-15, Gleb Vasilyev, Oleg R. Kuzichkin, Dmitry Surzhik, K. V. Bondarik)

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The high performance characteristics of Peltier thermoelectric modules (TEM) in comparison with compressor cooling systems are determined by the convenience of their use for both cooling and heating, technological advantages due to the absence of moving parts, etc. To effectively regulate the temperature conditions of TEM, it is necessary to develop automatic control systems with specified characteristics. Modeling and design of such systems is complicated by the essentially nonlinear properties of the constituent...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Nano, Bio, Green and Space - Technologies For a Sustainable Future, VOL 22, ISSUE 6.2
Publication

MODELLING AND SIMULATION OF CLOUD-BASED DIGITAL TWINS IN SMART FARMING

(STEF92 Technology, 2022-12-27, Kristina Dineva, Tatiana Atanasova)

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Digital Twins can be seen as powering the next generation of IoT-connected solutions. Digital Twins model the real world by using historical and real-time data to represent the past and present and simulate the predictable future. Digital twins are related to a set of concepts such as digital representation and 3D visualization, integration, monitoring, control, computation, prediction, and decision-making. They are digital replicas of physical objects having bidirectional data flow. The physical object and its di...

Advances in Biotechnology2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Informatics, Geoinformatics and Remote Sensing
Publication

MODELLING BARLEY BIOMASS FROM PHENOCAM TIME SERIES WITH MULTI-OUTPUT GAUSSIAN PROCESSES

(STEF92 Technology, 2022-11-15, Dessislava Ganeva, Milen Chanev, Darina Valcheva, Lachezar Filchev, Georgi Jelev)

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Biomass is monitored in many agricultural studies because it is closely related to the growth of the crop. The technique of digital repeat photography that continuously capture images of a given area with an RGB or near-infrared enabled cameras, Phenocams, has been used for more than a decade mainly to estimate phenology. Studies have found a relationship between Phenocam data and above-ground dry biomass. In this context we investigate the modeling of barley fresh above and underground biomass with Green chromati...

Informatics2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems
Publication

MODELLING OF THE HYDROLOGICAL REGIME OF THE TEICHI NATURE RESERVE

(STEF92 Technology, 2022-11-15, Irīna Eglīte, Kaspars Krauklis, Inta Lāce)

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Teichi bog is largest intact moss bog in the Baltics states. The article considers the hydrological exchange process of the bog and surrounding areas. It plays an important role in the ecosystem, as well as a factor in stabilizing the water level, as bog peat in its natural state contains 88%-97% water. It belongs to raised bogs, since its upper layer is located above the surrounding relief. Replenishment of water resources in the Teichi Nature Reserve occurs mainly due to precipitation. In turn, the bog with surf...

Hydrology and Water Resources2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MODELS FOR DESCRIBING THE DYNAMICS OF FOREST VEGETATION BASED ON REMOTE SENSING TECHNIQUES

(STEF92 Technology, 2022-12-27, Ciprian Buzna, Marinel Nicolae Horablaga, Mihai Valentin Herbei, F. Sala)

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The study analyzed forest vegetation in the "Bazos Dendrological Park" area, Timis County, Romania, in order to describe the seasonal variation of the vegetation through imaging analysis based on satellite images (Sentinel 2). The study took place in the period 2021-2022, and each year 7 sets of images (T1 - T7) were taken between the months of April and August. NDMI, NDVI and NBR indices were calculated from the analysis of satellite images. Among the calculated indices, very strong correlations were found betwee...

Forest Ecosystems2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

MODERN TRANSLATION IN CLIMATE CHANGE NOWADAYS

(STEF92 Technology, 2022-12-27, Raul Pașcalău, Laura Șmuleac, Sorin Stanciu, Florin Imbrea, Adrian Şmuleac)

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In the era of digitization, in a context where climate changes affect all sectors of activities and life itself, modern translation has a crucial role and a major importance in all the activities related to the prevention and education of young generations and not only, from the modern societies to the disadvantaged backgrounds. The most valuable and important information, as well as all the EU regulations, procedures, resources, manuals, books, may be transmitted nowadays through translation worldwide. Using mode...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

MODIFICATION BY WASHING OF RECYCLED AGGREGATES FROM CONSTRUCTION AND DEMOLITION WASTE FOR VERTICAL SUBSURFACE FLOW CONSTRUCTED WETLANDS

(STEF92 Technology, 2022-12-27, Ondřej Zedník, Michal Kriška Dunajský)

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As the planet-s population increases, pollution entering waterways increases, and the availability of non-renewable raw resource materials reduces. It is possible to reduce this pollution by constructing treatment wetlands, but these wetlands use significant amounts of natural aggregates. The question arises: is it not possible to replace non-renewable resources with recycled materials made from construction and demolition waste? This article examines the applicability of recycled building materials as filter medi...

Recycling2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MONITORING OF FIRES AND ASSESSMENT OF CHANGES IN THE STATE OF NATURE-PROTECTED TERRITORIES OF UKRAINE AS A RESULT OF MILITARY OPERATIONS

(STEF92 Technology, 2022-12-27, Oleksandr Trofymchuk, Vyacheslav Vishnyakov, Natalia Sheviakina, Viktoriia Klymenko, Serhii Slastin)

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The article presents the results of remote monitoring of the consequences of armed aggression, namely the occurrence of fires on the territory of protected areas in the combat zone. In combination with "traditional" data, satellite imagery can play a crucial role in protecting protected areas and providing evidence of environmental violations. Plant and animal life are under threat of destruction from enemy shelling by the Russian army. In addition, there is the uncontrolled spread of fire in the combat zone of Uk...

Forest Ecosystems2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining
Publication

MORPHOLOGY AND WATER DYNAMICS OF CHANNEL BIFURCATION IN DELTAIC ENVIRONMENT

(STEF92 Technology, 2022-11-15, Florin Duțu, Laura Tiron Duţu, Irina Catianis, Gabriel Iordache)

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The study presents a detailed analyse of the morpho-dynamic processes of the main two bifurcations of the Danube River within its delta, at Ceatal Izmail and Ceatal St. George. The first bifurcation of the Danube, called Ceatal Izmail; here the river divides into two distributaries: a northern one, the Chilia (Kilia), and a southern one, the Tulcea. Forking to the right at Ceatal Izmail (Mile 43), the Tulcea distributary stretches further to 17 km to the second main hydrographic knot Ceatal Sfantu Gheorghe (St. Ge...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MULTICRITERIA ANALYSIS OF VERTICAL GREENERY SYSTEMS AND GREEN FACADES

(STEF92 Technology, 2022-11-15, Michal Kraus)

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In recent years, the whole world has been looking for the most suitable solution to deal with global warming and other environmental consequences caused mainly by anthropogenic activities. One of the potential problematic phenomena at present is urbanization, which subsequently has an impact on the enlargement of urban or suburban areas at the expense of green areas. Vertical vegetation systems are part of the blue-green sustainable infrastructure and have become increasingly popular in recent years. With the righ...

Green Design and Sustainable Architecture2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MULTIDIMENSIONAL MODELING OF THE FOREST AREAS AROUND WATER SOURCES IN BULGARIA

(STEF92 Technology, 2022-12-27, Nevena Shuleva, Neno Aleksandrov, Константин Колев, Maya Tsoklinova)

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In Bulgaria, the number of water sources and facilities for drinking and domestic water supply from surface and underground water is about 7,480. They are surrounded by sanitary protection zones (SPZ). Each SPZ has 3 belts, which are organised according to an accepted methodology. With the help of a designed geographic information system, it was found that in Bulgaria forest territories that belong to SPZ around water sources and water supply facilities for drinking and domestic needs have a total area of 576,117 ...

Forest Ecosystems2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MULTIDISCIPLINARY ICHTHYOLOGICAL AND GEOLOGICAL RESEARCH OF THE DURANKULAK LAKE, NORTHERN BULGARIAN BLACK SEA COAST

(STEF92 Technology, 2022-11-15, Radoslava Bekova, Bogdan Prodanov, Todor Lambev)

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The Durankulak Lake is the northernmost Bulgarian Black Sea lagoon. The hydrological regime of the lake is, for the most part, the inflow of water in karst underground cracks. Over the years, the rare cases of digging a sea-lake canal have been a significant cause of the oligohaline estuarine wetlands nature of the water body. The publication aims to present current research on the structure of the lake bottom, the heart of the substrate and changes over the years, using data from a multi-beam echo sounder and sid...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MULTIPLE BIOMONITORING TESTS FOR ENVIRONMENTAL ASSESSMENTS

(STEF92 Technology, 2022-11-15, Andreea Cozea, Elena Bucur)

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The studies presented in this paper, were aimed at testing, in order to extend the applicability of the methodology for approaching biomonitoring methods to new domains of activity by using bioindicators. The proposed and applied methodology aimed to add new complex studies, some of that not previously used, combining macroscopic, microscopic and biochemical analyses of selected and exposed bioindicators compared to control bioindicators maintained under standardized conditions in the climate chamber. The change o...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems, VOL 22, ISSUE 3.2
Publication

MUTUAL INSPIRATION OF THE TEACHER AND THE FOREST PEDAGOGUE IN SHAPING THE PUPIL?S AWARENESS OF NATURE PROTECTION

(STEF92 Technology, 2022-12-27, Simona Borisová, Radka Teleková, Dana Kollárová)

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Schools in many countries implement environmental education to different extents. School as an institution has a significant role in shaping pupil?s attitudes and behaviour towards nature and the environment. School's cooperation with a forest pedagogue is oriented towards the activities of forest pedagogy, the application of which to education in the conditions of Slovak schools represents one of the possibilities of forming pupils' relationship with nature and awareness of forestry. The aim of the research is to...

Forest Ecosystems2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

MYCORESTORATION - OVERVIEW OF THE POSSIBILITIES OF USING FUNGI IN COMMUNAL ENVIRONMENTS

(STEF92 Technology, 2022-11-15, Martin Pavlík, Marek Dzurenko)

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The increase in human population brings an increase in consumption, higher pressure in often limited space and growth of waste, particularly in communal environments. Out of the huge volume of communal waste, a portion is composed of biologically degradable and other waste, that could be recycled utilizing eco-friendly means - e.g. fungal activity. This includes plant waste from gardens, yards, parks, orchards and forests, or plant debris not utilized by other ecologically and economically useful means. In this co...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

NEW MICROBIAL BIOPREPARATION FOR AGRICULTURE CONSISTING OF CONSORTIUM OF BIOSURFACTANT PRODUCERS

(STEF92 Technology, 2022-11-15, Gulnaz Galieva, Natalia Danilova, Svetlana Selivanovskaya, Polina Galitskaya)

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The present work is an attempt to create a biosurfactant producing consortia on the bases of initial rhizospheric community of lettuce plant (Lactuca sativa). To obtain consortia, 47 strains from the rhizosphere were isolated and checked upon their ability to produce biosurfactants. The ability of the isolates to produce biosurfactants was analyzed on the basis of their ability to emulsify crude oil (E24 index). The isolates with the highest E24 were Bacillus. oryzaecorticis (80%), B. simplex (65%), Paenibacillus ...

Ecology and Environmental Protection2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022
Publication

NEXT GEN TECH FOR MOVING TO SPACE

(STEF92 Technology, 2022-11-15, Dumitru-Dorin Prunariu, Ildiko Tulbure)

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Current space activities are especially directed to explore the potential of Mars to have hosted life as well as directed to find future exploration odds of Mars by human beings. In this context scientific advance and newest technology infrastructure, NEXT GEN TECH, is nowadays used and applied on Mars. Current NASA mission can be mentioned, which represents a newly planned exploration of Mars having the goal to succeed in providing scientific information with the support of several rovers. Sent rovers to Mars mus...

Space Technologies and Planetary Science2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems
Publication

NITROGEN AND PHOSPHORUS EFFECT ON AMERICAN CRANBERRY GROWTH, YIELD AND MINERAL ELEMENT COMPOSITION

(STEF92 Technology, 2022-11-15, Andis Karlsons, Anita Osvalde, Laura Āboliņa)

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The industrial cultivation of American cranberry (Vaccinium macrocarpon Aiton) in Latvia was started during last 20 years with total plantings of more than 125 ha today. As a native wetland plant, commonly cranberries grows on poor, acid soils and are characterized as nutrients low requiring crop, however, balanced plant nutrition is vitally important to realize the full potential of cranberries as crop, to ensure adequate growth and yield production. Previous results obtained by authors from different cranberry p...

Soils2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies, VOL 22, ISSUE 4.2
Publication

NOISE - DISRUPTIVE FACTOR IN WORK

(STEF92 Technology, 2022-12-27, S Simion, George Artur Găman, Angela Găman, Daniel Pupăzan, Alexandru Simion)

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Noise is a "by-product of technological metabolism", omnipresent in most workplaces, representing one of the discomfort factors for personnel working in the presence of this noxae. Knowledge of risks generated by exposure to noise specific to each activity carried out, allow quantification of the effects on workers such as: masking, auditory fatigue, sound trauma, acute hypoacusis, professional deafness. Accidental exposure to noise leads to auditory fatigue, which is a transient and reversible phenomenon, but pro...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Energy and Clean Technologies
Publication

NOISE LEVEL REDUCTION BY USING SOUND INSULATION / SOUND ABSORBENT MATERIALS

(STEF92 Technology, 2022-11-15, S Simion, Angelica Nicoleta Găman, Alexandru Simion, Romeo Hriscan)

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A known and often used method of insulation is represented by soundproof sponge, having the role of sound absorption and improvement of acoustics. The insulating sponge is used in recording studios, Radio TV studios, music rehearsal rooms, for upholstering acoustic enclosures having the role of acoustic correction. The aim of the study is to improve acoustic characteristics of a room that was originally used as an office and is now used as a music rehearsal room and recording studio, making determinations of noise...

Air Pollution and Climate Change2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining
Publication

NONLINEAR SYSTEMATIC ERRORS IN BOREHOLE INCLINOMETER MEASUREMENTS

(STEF92 Technology, 2022-11-15, А.В. Банников, Viktor Gordeev)

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Research Object and Relevance. Inclinometer measurements occupy an important place in geotechnical monitoring of hydraulic structures. Borehole inclinometers are used on tailings dams - they allow you to determine horizontal displacements, shifts, curvature of the casing pipe throughout its entire depth. An important part of the processing of initial data is the identification of various systematic errors. The authors of the article faced the problem of interpreting the displacements at the tailings dam of The Erd...

Hydrogeology, Engineering Geology and Geotechnics2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Water Resources. Forest, Marine and Ocean Ecosystems
Publication

NOVEL APPLICATIONS OF GIS AND ARTIFICIAL INTELLIGENCE IN FOREST RESTORATION

(STEF92 Technology, 2022-11-15, Denis Vasiliev, Rodney Stevens, Richard W. Hazlett, Lennart Bornmalm)

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Forest restoration programmes take place globally and lay a pivotal role in addressing climate change and biodiversity loss. Often restoration programmes are based on simple plantation schemes, evenly planting trees that later on might contribute to economic activity. This, however, does not seem to be sufficient for supporting biodiversity. Recent research suggests that successful restorations should match original ecological patterns in any particular landscape, assuming that severe erosion and changing soil con...

Forest Ecosystems2022
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