Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Alexander UKHANOV, Denis UKHANOV, Mikhail RYBLOV, Valentin MACHNEV

One of the types of motor biofuels for diesel engines is blended fuel obtained by mixing petroleum diesel and vegetable oils. One of these oils can be safflower oil produced from the seeds of Carthamnus tinctorius. The main physical, chemical, and calorific properties were studied for the safflower oil and for its blends with petroleum diesel oil. The results of bench dynamometer tests of D-243 diesel engine (four-stroke, four-cylinder, direct injection, compression ignition engine), running on safflower biodiesel blends, are presented. The proportions of safflower oil and diesel oil in the fuel blends were 20/80, 25/75, 33/67, and 50/50. Moreover, the blended fuel 50/50 was processed with 25 kHz ultrasonic emitting. When the diesel engine was running on blended fuel, brake power decreased by 1-4 percent, brake specific fuel consumption increased by 4-10 percent, while the exhaust smoke opacity was less by 10-40 percent compared to the engine operation on the petroleum diesel oil. The processing of the fuel blend 50/50 with ultrasonic allows improving engine power capacity, efficiency, and smoke opacity compared to the engine operation on unprocessed blended fuel.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Cornelia BUZATU-GOANTA (nee HERNEA), Mihaela CORNEANU Cristina BABEANU

Willows are fast-growing species with a large capacity for sprouting and easy breeding. In order to identify Salix accessions suitable for different conditions, a willow plantation was established in the Didactic Station of BUASVM from Timisoara, Timis County, Romania. 19 Salix genotypes (nine species: Salix alba L., S. cinerea L., S. caprea L., S. daphnoides L., S. fragilis L., S. incana L., S. purpurea L., S. pentandra L., S. triandra L.) were collected from a polluted area (copper and uranium mining area) but also from old willow farms, all from Caras-Severin County. The sprouting capacity and biometric observations were made in an experimental trial with uncut and cutback shoots and biomass was estimated after one growing season. Large variability was observed in terms of survival rate but also the number of shoots per stool, maximum height, and diameter. To evaluate the tolerance of heavy metal stress, four accessions were selected and a laboratory experiment was developed. The enzymatic activity varied according to with stress abiotic factor and also with genotype.

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RESEARCHES REGARDING THE IMPACT OF WASTE LANDFILL IN SIBIU COUNTY, ROMANIA ON THE ENVIRONMENT AND MEASURES TO REDUCE IT

Written by Alina AGAFITEI, Vasile Lucian PAVEL
Pages 11 to 16

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MPROVING A BIOGAS PLANT PARAMETERS IN THE CONVERSION CONTEXT OF REPLACING THE CORN SILO WITH AGRI-FOOD WASTE

Written by Horia BARDEANU, FlorentinaMATEI, Paul-Alexandru POPESCU, Octavian IONESCU, Stefana JURCOANE
Pages 17 to 23

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KINETIC STUDY FOR THE REMOVAL OF COPPER IONS BY FLY ASH/NaOH ADSORBENT

Written by Gabriela BUEMA, Nicoleta LUPU, Horia CHIRIAC, Maria HARJA
Pages 24 to 32

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ANALYSIS FOR SOILS CHARACTERIZATION IN THE PURPOSE OF RAINFALL-RUNOFF PROCESS MODELING

Written by Gabriela DAMIAN (DORIN), Florian STATESCU, Nicoleta Adriana UNGURASU (STAN), Vasile Lucian PAVEL, Nicolae MARCOIE
Pages 33 to 38

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THE CHARACTERISTICS OF FORESTS SITUATED IN KARST AREAS FROM BANATULUI MOUNTAINS

Written by Lucian-Constantin DINCĂ, Ilie-Cosmin CÂNTAR
Pages 39 to 43

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MODEL OF DESCRIBING THE DIVING PHENOMENON AND THE DIVING DISTANCE OF THE LAND UNDER THE INFLUENCE OF MINING ACTIVITY. CASE STUDY JIU VALLEY, ROMANIA

Written by Mihai Valentin HERBEI, Roxana Claudia HERBEI, Florin SALA
Pages 44 to 53

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QUALITY OF DENSIFIED SOLID BIOFUELS PRODUCED FROM SOME ENERGY CROPS SPECIFIC TO THE CONDITIONS OF THE REPUBLIC OF MOLDOVA

Written by Grigore MARIAN, Nicolai DARADUDA, Andrei GUDIMA, Boris NAZAR, Alexandru BANARI, Andrei PAVLENCO
Pages 54 to 59

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PROSPECTS FOR THE USE OF SEABUCKTHORN RESIDUES IN THE PRODUCTION OF DENSIFIED SOLID BIOFUELS

Written by Grigore MARIAN, Alexandru BANARI, Boris NAZAR, Andrei GUDIMA, Nicolai DARADUDA, Andrei PAVLENCO
Pages 60 to 63

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OUNDATION SOLUTIONS FOR AN INDUSTRIAL PLATFORM BUILT ON CONTAMINATED SOFT SOIL

Written by Tatiana OLINIC, Ernest-Daniel OLINIC
Pages 64 to 69

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CHARACTERISTICS OF EXTREME TEMPERATURES RELEVANT FOR AGRICULTURE IN THE NEAR FUTURE (2021-2040) IN ROMANIA

Written by Liliana VELEA, Roxana BOJARIU, Cristina BURADA, Mihaela Tinca UDRISTIOIU, Mirela PARASCHIVU, Roxana Diana BURCE
Pages 70 to 75

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THE PRODUCTIVITY OF PINE STANDS ON DEGRADED LANDS

Written by Cristinel CONSTANDACHE, Ciprian TUDOR, Radu VLAD, Lucian DINCĂ, Laurenţiu POPOVICI
Pages 76 to 84

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OPTIMIZATION MODEL FOR FERTILIZATION OPERATIONS

Written by Manol DALLEV, Velika KUNEVA
Pages 85 to 88

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FORMATION AND IMPLEMENTATION OF THE AGRICULTURE SUSTAINABLE DEVELOPMENT STRATEGY UNDER ECONOMY DIGITALIZATION CONDITIONS

Written by Oleg KUKHAREV, Elena FUDINA
Pages 89 to 93

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METHODS FOR DETERMINING EXPENSES OF HORIZONTAL DRAINAGE UNDER PRODUCTION CONDITIONS

Written by Dmytro LADYCHUK, Sergiy LAVRENKO, Nataliia LAVRENKO
Pages 94 to 101

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ASSESSMENT OF ECONOMIC LOSSES CAUSED BY DEGRADATION PROCESSES OF AGRICULTURAL LAND USE

Written by Oleksandr SHEVCHENKO, Ivan OPENKO, Ruslan TYKHENKO, Oleg TSVYAKH, Oleksiy ZHUK, Euvghenia KRYVOVIAZ, Olga TYKHENKO, Nataliia BAVROVSKA, Yanina STEPCHUK, Anatoliy ROKOCHINSKIY, Pavlo VOLK
Pages 102 to 109

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THE RELATION BETWEEN THE POWER REQUIRED TO DRIVE A ROTATING VOLUMETRIC PUMP AND THE IRRIGATED AGRICULTURAL AREA

Written by Mariana Mirela STOICAN (PRISECARU)
Pages 110 to 115

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ENERGY AND RESOURCE SAVING, LABOR AND ENVIRONMENTAL PROTECTION DURING RUNNING-IN AUTOMOTIVE-TRACTOR DIESEL ENGINES BY USING NEW TECHNOLOGIES AND MEANS FOR THEIR IMPLEMENTATION

Written by Sergey TIMOHIN, Andrey MORUNKOV, Alexander INSHAKOV, Ivan KURBAKOV
Pages 116 to 121

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SAFFLOWER OIL AS A BIOLOGICAL COMPONENT OFBLENDED FUEL FOR DIESEL ENGINES

Written by Alexander UKHANOV, Denis UKHANOV, Mikhail RYBLOV, Valentin MACHNEV
Pages 122 to 127

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SOIL CONDITIONS AND STRUCTURAL TYPOLOGIES FOR SEISMIC ISOLATION OF BUILDINGS, IN CITIES EXPOSED TO STRONG EARTHQUAKE HAZARD

Written by Stefan Florin BALAN, Bogdan Felix APOSTOL, Alexandru TIGANESCU
Pages 128 to 134

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STRUCTURAL VIBRATION AND FIRE RESISTANCE

Written by Claudiu-Sorin DRAGOMIR, Daniela DOBRE, Adrian SIMION
Pages 135 to 140

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METHODS AND TECHNIQUES FOR PREVENTION AND CONTROL OF THE WATER EUTROPHYCATION PROCESS IN HILLY LAKES

Written by Alina AGAFIṬEI, Vasile Lucian PAVEL, Daniel TOMA, Valentin BOBOC
Pages 141 to 146

[Abstract][Full article][Citation]

REGULATION OF OXIDATION DITCH TYPE BIOLOGICAL REACTORS

Written by Dragoș DRĂCEA, Augustina TRONAC, Sebastian MUSTAȚĂ
Pages 147 to 151

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ANALYSIS OF VEGETATIVE AND REPRODUCTIVE GROWTH OF GREENHOUSE TOMATOES CULTIVATED UNDER DRIP IRRIGATION AND FERTIGATION WITH INCREASING FERTILIZER RATES

Written by Ivanka MITOVA, Galina PATAMANSKA, Antoaneta GIGOVA
Pages 152 to 157

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WATER QUALITY ASSESSMENTS THROUGH THE APPLICATION OF CAUSE AND EFFECT DIAGRAMS IN CONJUNCTION WITH HACCP AND RISK ASSESSMENT FOR “ROUA APUSENILOR” SPRING WATER BOTTLING PROCESS

Written by Maria POPA, Ioana GLEVITZKY, Dorin POPA, Mirel GLEVITZKY
Pages 158 to 165

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ASSESSMENT OF GLOBAL WARMING IMPACT ON AQUATIC ECOSYSTEMS: A STATE-OF-THE-ART PERSPECTIVE

Written by Ira-Adeline SIMIONOV, Ștefan-Mihai PETREA, Alina MOGODAN, Dragoş CRISTEA, Aurelia NICA, Mihaela NECULITA
Pages 166 to 171

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COMPARATIVE STUDY OF NITROGEN MANAGEMENT IN TWO DIFFERENT CYPRINID AQUACULTURE TECHNOLOGIES: INTEGRATED MULTI-TROPHIC AQUACULTURE VS POLYCULTURE

Written by Ira-Adeline SIMIONOV, Isabelle METAXA, Alina MOGODAN, Stefan-Mihai PETREA, Aurelia NICA, Victor CRISTEA
Pages 172 to 183

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VARIATION OF TURBIDITY OF LIQUID-SOLID MIXTURES IN THE WASTEWATER SETTLING PROCESS

Written by Bianca-Stefania ZABAVA, Gheorghe VOICU, Paula TUDOR, Mariana FERDES, Gabriel-Alexandru CONSTANTIN
Pages 184 to 191

[Abstract][Full article][Citation]

MISCANTHUS X GIGANTEUS AS A BIOFUEL CROP FOR PHYTOREMEDIATION OF HEAVY METAL CONTAMINATED SOILS

Written by Violina ANGELOVA, Vanya ZAPRYANOVA
Pages 192 to 203

[Abstract][Full article][Citation]

CARDOON (CYNARA CARDUNCULUS L.) AS A BIOFUEL CROP FOR PHYTOREMEDIATION OF HEAVY METAL CONTAMINATED SOIL

Written by Violina ANGELOVA, Vanya ZAPRYANOVA
Pages 204 to 213

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SALIX ACCESSIONS WITH POTENTIAL FOR NEW HYBRIDS. A CASE STUDY FROM BANAT AREA

Written by Cornelia BUZATU-GOANTA (nee HERNEA), Mihaela CORNEANU Cristina BABEANU
Pages 214 to 220

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ECONOMIC EFFICIENCY OF APPLYING MEASURES FOR REDUCTION OF SOIL DEPLETION IN RUSSIAN AGRICULTURAL LAND USE

Written by Alla GORDOPOLOVA, Evgeniy ZAVOROTIN, Nataliya TIURINA
Pages 221 to 228

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FIELD SHELTERBELTS: CURRENT STATE, LAND USE ISSUES AND PERSPECTIVE IN UKRAINE

Written by Andrii KOVALENKO, Oksana SAKAL, Nataliia TRETIAK, Ihor SKOLSKYI, Halyna SHTOHRYN, Roman TRETIAK
Pages 229 to 240

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STUDY REGARDING POLLUTED SOILS WITH HEAVY METALS FROM MARAMURES MINING BASIN, ROMANIA, IN VIEW FOR THE REMEDIATION OF AFFECTED AREAS

Written by Ioana Andreea PETREAN, Valer MICLE
Pages 241 to 250

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ECOLOGICAL RESTORATION OF THE POLLUTED SOILS WITH HEAVY METALS. CASE STUDY: CUPROM SA BAIA MARE BRANCH

Written by Gilbert TARO, Mirela COMAN
Pages 251 to 257

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GEOCHEMICAL CHARACTERISTICS OF RIVERBED SEDIMENTS IN THE DANUBE DELTA, ROMANIA

Written by Dan VASILIU, Laura TIRON DUŢU, Andra BUCŞE, Naliana LUPAŞCU, Florin DUŢU
Pages 258 to 264

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ENVIRONMENTAL RISKS IN IRRIGATED AGRICULTURE

Written by Maryna ZAKHAROVA, Sviatoslav BALIUK, Lyudmila VOROTYNTSEVA
Pages 265 to 271

[Abstract][Full article][Citation]

SOLAR CADASTRE IN TIMISOARA, ROMANIA

Written by Anca Maria MOSCOVICI, Clara Beatrice VÎLCEANU, Sorin HERBAN, Carmen GRECEA
Pages 272 to 277

[Abstract][Full article][Citation]

MECHANISM OF TRANSFORMATION OF LAND RELATIONS IN THE AGRICULTURAL SECTOR OF RUSSIA

Written by Nataliya TIURINA, Evgeniy ZAVOROTIN, Alla GORDOPOLOVA
Pages 278 to 286

[Abstract][Full article][Citation]

THE METHOD ENSURING SUPPORT OF DEMAND FOR AGRICULTURAL-PURPOSE LAND

Written by Evgeniy ZAVOROTIN, Alla GORDOPOLOVA, Nataliya TIURINA
Pages 287 to 292

[Abstract][Full article][Citation]

THE INFLUENCE OF GIS TECHNOLOGY IN RECLAMATION SOLUTIONS FOR SLOPING LAND AFFECTED BY EROSION

Written by Gabriela BIALI, Paula COJOCARU
Pages 293 to 300

[Abstract][Full article][Citation]

GEOMATIC METHODS FOR MANAGEMENT PLANNING OF PROTECTED AREAS. CASE STUDY: PANIOVA FOREST, TIMIS COUNTY, ROMANIA

Written by Mihai Valentin HERBEI, Radu BERTICI, Florin SALA
Pages 301 to 310

[Abstract][Full article][Citation]

GIS ANALYSIS OF AREA DETERMINATION METHODS IN FORESTRY

Written by Cornel Cristian TERESNEU
Pages 311 to 315

[Abstract][Full article][Citation]

DOUGLAS FIR (PSEUDOTSUGA MENZIESII (MIRB.) FRANCO) FROM BANATULUI MOUNTAINS

Written by Voichița TIMIȘ-GÂNSAC, Lucian DINCĂ
Pages 316 to 320

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STUDY OF THE SUCCESSFUL APPROACH TO TRUFFLE GROWING IN EUROPE - REVIEW

Written by Veselka VLAHOVA
Pages 321 to 329

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SURVEY OF THE ENTOMOFAUNA ON THE SOIL SURFACE IN AN ORGANIC APPLE ORCHARD

Written by Veselka VLAHOVA, Evgenia KOSTADINOVA, Anelia ZHELEVA
Pages 330 to 337

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TRANSPORT-MANIPULATION TECHNOLOGIES FOR COLLECTION OF VEGETABLE RESIDUES FROM ROSA DAMASCENE MILL PRODUCTION IN REPUBLIC OF BULGARIA FOR THE PURPOSE OF FOLLOWING USE FOR ENERGY NEEDS

Written by Ivan ZAHARIEV, Dimitar KEHAYOV
Pages 338 to 342

[Abstract][Full article][Citation]

Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Stefan Florin BALAN, Bogdan Felix APOSTOL, Alexandru TIGANESCU

Some buildings need special attention in attempting to protect them against strong seismic movements. Seismic isolation comes as a suitable solution to protect the integrity of the construction. For this accomplishment are needed some thorough data about the dynamic characteristics of the structure and site specificity. The characteristics of the buildings can be found from either design data, or from subsequent measurements on its structure. The study of seismic waves has become a design criterion in advanced seismic codes, using design spectra compatible with local conditions differentiated on qualitative stratigraphic description and quantitative waves velocity-based criteria. The results of the later important geophysical measurement campaigns are described and used in this work. To identify whether seismic isolation for buildings is efficient in an earthquakes-prone environment, very important is the analysis of the location they are, or will be. One of the most important elements to be evaluated is the natural period of the site. The conditions for an efficient seismic isolation are presented and discussed with examples. In the paper are also described the different types of seismic isolated structures in Bucharest, and the reason for selecting them.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Anca Maria MOSCOVICI, Clara Beatrice VÎLCEANU, Sorin HERBAN, Carmen GRECEA

The topic of the paper refers to solar cadastre regarded from the point of view of choosing the optimal areas for placing photovoltaic panels and the importance for implementing sources energy. In the scientific literature, solar cadastre is also known as roofs cadastre or potential solar cadastre. It is based on the digital terrain model and climate information available for studied areas. Analysis of solar energy and full potential of solar cadastre can be used in various fields as civil engineering or urban planning, also in the projects of research and the investment of energy sources. An important aspect of the presented study case is the decrease of the use of agricultural lands for photovoltaic parks. One way to generate renewable energy in our existing urban environment is to use the solar energy. A method for analysing the potential of existing built environment for obtaining energy sources is by creating solar maps. A solar map or a solar cadastre is a GIS that provides data about yearly solar radiation on the building’s surfaces (roof and/ or facade). The current solar maps have different levels of advancement.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Claudiu-Sorin DRAGOMIR, Daniela DOBRE, Adrian SIMION

The paper presents an assessment approach based on non-destructive and temporary vibration monitoring methods of a reinforced concrete building which is to be structurally and thermally rehabilitated. These methods are in according to the Romanian Code for Seismic Design of Building, Part 3 - Building Assessment, SR EN 1998-3:2008. The results related on dynamic characteristics of this building obtained by ambient vibration monitoring with a data acquisition system are presented. Also, a solution for the thermal insulation of the building is presented, as well as some results obtained from fire testing of this type of system. Where it is not possible to obtain correct information regarding the behaviour of a structural system, due to the lack of data needed to create a reliable model, the contribution of each presented method is consistent, using the advantages of non-destructive methods, ambient vibration monitoring and modal analysis. It is a current internationally practice, with a certain confidence.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Veselka VLAHOVA

Truffle cultivation is an original agroforestry system. Historical data and distribution of truffle species, their characteristics and with which tree species are in symbiosis are indicated. Harvesting truffles is natural and artificial and has specifics in their hunting around the world. Italian entrepreneurs offer successful agriculture, which is related to science, and this is what they rely on in Romania. Truffle plantations on the Balkan Peninsula are an excellent form of alternative high-yield agriculture. The main accents when growing truffles are careful selection of field with appropriate soil and pH, exposure, area, climatic features and quality seedlings. In truffle plantations, yields are planned and quality is guaranteed. The facts about the rich chemical content of truffles and their beneficial effect on human health are objective. This paper aims at turning attention to the species distribution of truffles and the contemporary approach to their cultivation in Europe. As ectomycorrhizal fungi, truffle species also perform many important ecosystem functions, including organic matter decomposition, nutrient cycling and retention, soil aggregation, and transferring energy through soil food webs.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Ioana Andreea PETREAN, Valer MICLE

Heavy metal contamination of soils is associated to mining activities and has impact on plants, micro-organisms and life support functions such as immobilisation, mineralisation, nitrification. The increasingly frequent contamination of soils with heavy metals represents a serious problem for Maramures county in Romania. The phytoremediation method can recover the infertile soil that has been polluted with excessive concentrations of heavy metals, it is a friendly environment method of remediation, can be applied on large areas, it is an in situ method and conserves topsoil. The objective of this paper consists in creating an objective and concrete image, also detailed and actual about the pollution of soils with heavy metals from different areas of Maramures county, in Romania with the purpose of highlighting the necessity of remediation and protection of the environment due to the magnitude of soil pollution. The paper has a fundamental approach based on data from specific literature and technical documentations.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Veselka VLAHOVA, Evgenia KOSTADINOVA, Anelia ZHELEVA

The ecological aspect of organic farming refers to the ability to maintain the resilience of agroecosystems. This paper aims at investigating the species diversity of entomofauna (harmful and beneficial) on the soil surface in an organic apple orchard under the conditions of ecological management approaches. The organic orchard is located on the land of the village of Vodenichane, Yambol region, Bulgaria. Field surveys of entomofauna on the soil surface in the apple orchard were carried out in 2018 and 2019 with monthly reporting of 'pitfall trap’ (soil traps) placed in a checkerboard pattern under the crowns of selectd trees. The Dominance index was higher in 2018 in comparison with the dominance index reported in 2019 and showed the capacity of taxons of higher ecological plasticity to increase their number in return for other taxons in the agrocenosis under survey. The other ecological index is the Equitability index, which expresses the uniformity in the distribution of the total number among the separate species and shows a tendency towards striving for achieving optimal development. Equitability was higher in 2018 as compared to the equitability in 2019, which means that the taxons in the complex were more evenly distributed from a systematic point of view.

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Published in Scientific Papers. Series E. Land Reclamation, Earth Observation & Surveying, Environmental Engineering, Vol. X
Written by Lucian-Constantin DINCĂ, Ilie-Cosmin CÂNTAR

The present paper intends to synthesize stand characteristics from karst areas located in Banatului Mountains, based on data from forest management plans realized during 1995-2007. As such, 1220 stand elements were analysed from this area where forests occupy a total surface of 2.904 ha. Common beech is the most widespread species from this area. The stand’s age distribution is relatively uniform, with a slight increased number recorded for the age class of over 120 years. The stands vegetate al altitudes between 185-1005 m, with an average altitude of 665 m for all studied stand elements. Asperula-Dentaria is the most common flora type, while calcic eutric cambisol is the most widespread soils type. Bm common beech mountain-premontane, average edaphic rendzinic is the most well represented station type.

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