Education: Master of Ecology, Ph.D. in Soil Science
Degrees: assistant professor Ph. D.
Key research topics: Soil Science, Environment protection, soil organic matter
Fellowships: JRC Ispra and Sent Istvan Egeterm Godollo Hungary – Summer Schools
Selected International projects (after 2000): ENVASSO, GS Soil Organization membership: Bulgarian Soil Science Society; Bulgarian Humic Substances Society (BHSS)
Communication Languages: English, Russian, German, Spanish
Hristov B., M. Teoharov 2008 “Genetic and diagnostic characteristics of the soils defined as strongly eroded Chernozems” Soil Science, Agrochemstry and Ecology , vol 2, 37-44 ;
Hristov B., Z. Petkova M. Teoharov 2009. Chemical and Agrochemical characteristic of Regosols from Danube plane, Soil Science, Agrochemstry and Ecology , vol. 1, 62-69
Hristov, B., E. Filcheva, M. Teoharov 2009. Content and composition of Soil Organic Matter of Regosols from the Hilly Part of Danube Plain. . Journal of Balkan Ecology,Vol.12, No4, 371-379 pp.
Hristov B., I. Atanasova, M.Teoharov, 2010. Minerals in Regosols from North Bulgaria, BJAS, vol. 16, No. 4, pp. 476 – 481.
Hristov, B., 2011, Diagnostic characteristics of Chernozems and Regosols in South Danube plain, 100 Years Soil Science in Bulgaria, Sofia, 16 – 20 May 2011, Sofia, Bulgaria 181 – 186 pp.
Kercheva M., Teoharov M., Shishkov T., Georgiev., Rousseva S., Filcheva E., Ilieva R., Krasteva V., Hristov B., Dimitrov E., Lubenova I., Mitreva Z., Challenges for soil data dissemination in GS Soil Project, 2011, 100 Years Bulgarian Soil Science, 16 – 20 May 2011, Sofia, Bulgaria 200 – 205 pp.
Andreeva N., E Filcheva, B. Hristov, 2011, Composition of organic matter into magnesium saline soils from Sofia plain, Bulgaria, Soil Science, Agrochemstry and Ecology , vol 1-4, 64-67 ;
Djonova, E., G. Petkova, I. Stancheva, M. Geneva, Tz. Mihovsky. 2016. Response of Pasture Grasses to Inoculation with Mycorrhizal Fungi and N-fixing Bacteria. Bulgarian Journal of Soil Science, www. bsss.bg, 1, 64 -77.
Nedyalkova, K., G. Petkova, I. Atanasova, M. Banov, P. Ivanov. 2018. Changes in Microbiological Properties of Hydrophobic Technogenic Soil (Technosol) after Remediation with Pinus nigra. Comptes rendus de l Academic Bulgare des Sciences, 4, 577- 586.
Petkova, G., K. Nedyalkova, A. Mikova, I. Atanasova. 2018. Microbiological Characteristics of Biochar Amended Alluvial Meadow Soil. Bulgarian Journal of Agricultural Sciences, 24, (Supp. 2), 81 – 84.
Petkova, G., K. Nedyalkova, J. Perfanova. 2019. Effect of Microbial Inoculants on Alfalfa Rhizosphere Soil. Journal of Balkan Ecology, 22, 4, 350-357.
Tzolova, V., P. Tomov, I. Nikova, G. Petkova. 2019. Effect of Alteration of Mineral and Organic Matrix of Soils in Green Ecosystems of the Sofia City (Bulgaria). Ecologia Balkanica, 11, 2, 37 – 51.
Office: Department of Geology, Paleontology and Fossil Fuels, Faculty of Geology and Geography Sofia University “St. Kliment Ohridski” 15 Tzar Osvoboditel Blvd., Sofia 1504, BULGARIA
Born: 4 July 1981, Sofia
Bachelor Degree -2005, Sofia University “St. Kliment Ohridski”, Faculty of Chemistry
Master Degree -2010, Sofia University “St. Kliment Ohridski”, Faculty of Geology and Geography
PhD Degree – 2018, Sofia University “St. Kliment Ohridski”, Faculty of Geology and Geography
Degrees: PhD, 2018, Sofia University St ”Kliment Ohridski”, Faculty of Geology and Geography
Key research topics:
Geochemistry and pollution of soils from the polar regions
Organic geochemistry and organic petrology
Polycyclic aromatic hydrocarbons (PAHs) in coals, coal combustion by-products and soils
Analysis of major, minor and trace elements in coals, organic rich rocks and soils
Envorinmental problems related with coal combustion in TPPs
Geochemistry of coal and coal combustion by-products
Participant in the 27th Bulgarian Antarctic Expedition – December 2018-February 2019.
SYNTHESYS grant in Natural History Museum in London, Great Britain (02.052017-17-05.2017). Title of the project Abundance and speciation of anthropogenic Pb, Cd and As in Cryosols from Antarctica, Siberia and northern Canada.
Specialisation at the University of Leoben, Austria, gained a scholarship -OEAD Ernst Mach Grant, Ernst Mach-wordwide (01.03.2016-31.05.2016).
Participant in the 25th Bulgarian Antarctic Expedition – December 2016-January 2017.
Participant in the 24th Bulgarian Antarctic Expedition – December 2015-January 2016.
Participant to the GASALB – CORTADO research cruise to the Mediterranean, (Cadiz, Spain – Catania, Sicily, Italy), November – December, 2011.
Selected International projects (after 2000): Evaluation of organic matter in Mesozoic sediments from low and high latitude territories of Antarctica and Central Europe. Project № КП-06-Austria -1 / 06.08.2019 funded by the National Science Fund. (FINANCIAL SUPPORT FOR BILATERAL PROJECTS 2018 – BULGARIA – AUSTRIA)
Environmental aspects of coal utilization in Chinese and Bulgarian thermoelectric power plants – insights from in-seam coal, feed coal and fly-ash geochemistry and their environmental influences.
Project for the bilateral cooperation between Bulgaria and China № ДО 02-7/23. 09. 2008 funded by the National Science Fund, Ministry of Education and Science, Bulgaria.
Administrative responsibilities: Chemist, senior researcher at Sofia University “St. Kliment Ohridski”, Faculty of Geology and Geography, Geology, Paleontology and fossil fuels Department
Membership of Professional Societies:
Member of Bulgarian Geological Society (BGS)
Board member of APECS Bulgaria (Association of Polar Early Career Scientists Bulgaria)
Education: MSc., Inorganic Chemistry, Sofia University “Kl. Ohridski”, Faculty of Chemistry, 1972
Degrees: ISS “N. Poushkarov”: phD – 1976 in Soil Science, Research Assoc. – 1977, Assoc. Prof. – 1990; Prof. – 2005.
Key research topics:
Investigation of soil organic matter and methods for its determination related to:
soil genesis and classification;
soil quality, fertility and carbon sequestration;
carry out of different tillage systems, fertilization, crop rotations and application of sewage sludge;
humus formation processes management in model and natural media with organo-mineral amendments;
composting of different wastes and possibilities for agricultural application;
complex formation of soil organic matter with heavy metals and radionuclides;
Construction and management of databank on organic carbon reserves (stocks) of Bulgaria soils.
1993 – Agricultural Research Center, Beltsville, Maryland, USA “Influence of enriched with Fe, Mn and Zn biosolids on the uptake of elements by plants”, supervisor Rufus Chaney;
1993 – EC Fellowship (N 5340), The Macaulay Land Use Research Institute Aberdeen, UK “Effect of pollution with heavy metals on the organic matter transformation”, supervisor Martin Cheshire;
2000 – NATO Fellowship at the Institute of Soil Classification and Mapping, Larissa, Greece “New approach for maintaining and management of soil humus in sustainable agriculture”, supervisor Christos Tsadilas.
Administrative responsibilities: head of Laboratory of soil organic matter – 1987 – 1993; Scientific Secretary and head of the section “Coordination of Scientific activity, and International cooperation” – 2004 – 2008; Head of department “Soil genesis, geography and classification” – since 10.10 2011.
Organization membership: Bulgarian Humic Substances Society (BHSS) –President; International Humic Substances Society (IHSS) – Nat. Coordinator фор Булгариа;Bulgarian Soil Science Society; IUSS; European Society of Soil Conservation (ESSC) тилл 2015; Scientific Technical Union, Bulgarian Agricultural Historical Society.
Teaching Experience: MSci in Sustainable Land manegement – Soil organic matter (SOM), humus, composts, University of forestry – 2012 г., 2014 – Project „Students practice” „Characteristics of humus systems formed in different conditions”, 2014 – Programs for за individual and grouped preparation of young scientists in „soil organic matter”. Project Ministry of education and Science, BG051PO001-3.3.06.0042 “Program for improving of interdisciplinary preparation and increasing qualification of young scientists in soil science and ecology.
International projects after 2000:
“Improvement of zeolite effect in polluted soils for better nitrogen and carbon sequestration”, RITE, Japan(2001-2002);
“Improvement of zeolite effect in flooded soils for better nitrogen and carbon sequestration “, RITE, Japan, (2002-2003);
Phyto Dec – A decision Support System to quantify cost/benefit relationships of the use of vegetation in the management of heavy metal polluted soils and dudged sediments;
GEF/UNDP financed project entitled “Capacity Building for Sustainable Land Management in Bulgaria”, 2005-2006;
ECOLAS (Professional Services Agreement 06812/PI-01) “Development and implementation of a soil monitoring and assessment for the Republic of Bulgaria” 2004-2005;
Floods and other region weather-driven natural hazards – prediction and mitigation (WDNH): Soils data – Bulgaria. JRC/ISS N. Poushkarov (2006-2007);
FP6 – Environmental Assessment of Soil for Monitoring (ENVASSO) (2006-2008);
Development of educational module on sustainable land management for the needs of professional secondary schools for agriculture and forestry. UNDP/ISS “N. Poushkarov”, Bulgaria (2006-2007);
“Defining the Possible SLM Options Based on the Organic Carbon Reserves in the Bulgarian Soils”, UNDP/BHSS, 2007.
GS Soil “Assessment and strategic development of INSPIRE compliant Geodata-Services for European Soil Data” (2009-2012).
Membership of professional bodies: Scientific Council of the Institute of Soil Science “N. Poushkarov”; Expert Council for Soil Science, General Agronomy and Melioration at the National Center for Agricultural Sciences and Agricultural Academy (since 2007); Specialized Scientific Council for Soil Science, Agro chemistry and General Agronomy at the Highest Testimonial Commission -2007-May 2010;
Journals editorial board: “Soil science, Agrochemistry and ecology”; Journal of Ecological Science “Ecology and Future”; “J. Balkan Ecology; Journal, Geosciences Report; Editorial-in-Chief of World Research Journal of Agricultural Sciences; Assoc. Editor of Journal „Geochemical Exploration”..
Communication Languages: English, Russian
Publications: Тоtal publications 251 including 3 monographs, 5 chapters in book (2002), chapter in Proceeding “Sustainable Land Management” (2007), 6 chapters in book (2014), Journals, Proceedings in conferences, congresses, 1 dissertation, 1Habilitation Thesis; and 2 invention Certificates, 262 citations of 97 publications(index h=5).
Filcheva Ekaterina. 2015. Characteristics of Soil Organic Matter of Bulgarian Soils. Lap Lambert Academic publishing ISBN 978-3-659-
51204-9, pp. 177.
Filcheva Ekaterina, Paunka Bozhinova, Nikolai Dinev, Mariana Hristova. 2017. Soil Organic matter and its role in binding heavy metals.
Studies on polluted soils of Bulgaria. LambertAcademic publishing ISBN 978-3-33006566-6, pp. 67.
Administrative responsibilities: Head of department Field Trials Stations
Membership of Scientific Councils: Scientific council of ISS “N. Poushkarov”.
International projects after 2000:
INCO COPERNICUS ERB IC15-CT98-0125, 1999-2001;
ENVASSO PROJECT, CP TOP 3 SOIL COMPACTION, 2007.
Membership of Professional Societies: Bulgarian humic substances society, ISTRO, BSSS, IUSS
Communication Languages: German, Russian, English
Publications: 95 papers
Dimitrov I., 2003. Soil Tillage as a Factor for the Moisture Conservation at Drought. Ecology and Future, 4, 18-21.
Dimitrov I., 2003. Decomposition and transformation of plant residues in to organic matter in dependence of soil tillage. Ecology and Future, 1, 93-95 .
Dimitrov I., I. Pachev, S. Krastanov, 2003. Technological evaluation of siderat crops applied to biological reclamation. Proceedings of International Scientific Conference “50 years University of Forestry”, 43-46.
Dimitrov I., D. Ivanov, M. Borisova, D. Nikolova. 2006. Impact of agricultural practices on the reduction of unfavourable soil and climatic conditions stress on field crops. Proceedings of 17th Triennial Conference of ISTRO, Kiel, Germany, 321-325.
Sabev V., I. Pachev, I. Dimitrov. 2006. Studies on soil cultivation in soybean. Journal of Mountain Agriculture on the Balkans, vol. 9, 3, 422-440.
Dimitrov I., T. Mitova, I. Pachev 2007. Changes of some physical properties of Haplic Chernozems under soil tillage applied during alfalfa Growing. Proceedings of International Scientific Conference soil science – base for sustainable agriculture, Sofia, 152-157.
I. Pachev, E. Filcheva, Dimitrov I. 2007.Soil organic matter composition related to soil tillage and fertilization of Lucerne. Proceedings of International Scientific Conference soil science – base for sustainable agriculture, Sofia, 187-192.
Office: Institute of Soil Science “N. Poushkarov”, 7 “Shousse Bankya” str. 1080 Sofia Bulgaria
Born: 1980, Bansko
Education: Master technological Engineer, University of Food Technologies, Plovdiv, 2004
Degrees: PhD degree in Microbiology, The “Stephan Angeloff” Institute of Microbiology, Bulgarian Academy of Sciences, Sofia, 2019
Key research topics:
Soil Microbiology, Microbial biofilms
Co-aggregation between cells of different microbial strains and as a prerequisite for the formation of the biofilms by the participation of the various strains, development of the microorganisms in bound form and formation of the biofilms, mechanisms of intercellular communication in their structures, structure of the microbial communities, morphological properties in response to different conditions of their cultivation, mechanisms of eradication of the biofilms formed by the participation of the different strains
Biosynthesis of surfactants and proteolytic enzymes by Bacillus subtilis strains, structural and biochemical analysis and their application for eradication of microbial biofilms
Fellowships: University of Kassel, Faculty of Mathematics and Natural Sciences, Institute of Biology, specializing in cell biology, at biophysics, Kassel, Federal Republic of Germany
Membership of Professional Societies: FEMS – Federation of European Microbiological Societies, Bulgarian Society for Microbiology (Union of Scientists in Bulgaria), Bulgarian Humic Substances Society, International Humic Substances Society (IHSS)
Communication Languages: German and English Publications: 13
Ganchev I. 2012. Immobilization Yeasts – Basis for Development of Bioethanol Industry. Ecology – Interdisciplinary Science and Practice, 1:177-183
Ganchev I. 2012. Biotechnological Aspects of Hydrolysis of Lignicellulosic Biomass. Ecology – Interdisciplinary Science and Practice, 1:184-191
Ganchev I., Z. Koleva, Y. Kizheva, P. Moncheva , P. Hristova 2014. Lactic Acid Bacteria from Spontaneosly Fermented Rye Sourdough. Bulgarian Journal of Agricultural Science, 20 (Supplement 1) 2014, 69–73
Ganchev I., S. Mihailova 2016. Mechanism of bacterial co-aggregation between Bacillus subtilis and Escherichia coli K-12 strains. Bulgarian Chemical Communications, Volume 48, Special Issue G (pp. 136-141)
Ganchev I. 2016. Biofilm Formation between Bacillus subtilis and Escherichia coli K-12 Strains as Model System for Study of Soil Process under Conditions of Low Content of Humic Substances. In: Filcheva, Stefanova, Ilieva eds.). 4th Nat. conf. of BHSS with Int. Participation. Humic Substences and their Contribution to The Climate Change Mitigation, 8-10 September, 2016, Sofia, ISBN 978-619-90189-2-7,:249-266
Ganchev I. 2018. Biofilm Formation between Bacillus subtilis and Escherichia coli K-12 Strains at Acidic and Oxidative Stress. Science Journal of Chemistry, 7(1): 15-28
Ganchev I. 2019. Effect of sugars on the structure and morphological features of mixed biofilms. Humic Substences and their Contribution to The Climate Change Mitigation, 6:187-189
Ganchev I. 2019. Role of bio surfactants of B. subtilis 170 and 168 on mixed biofilm formation. Humic Substences and their Contribution to The Climate Change Mitigation, 6:189-190
Ganchev I. 2020. Protein content enhances biofilm development in Bacillus Subtilis and Escherichia coli K-12 strains. Bulgarian Journal of Soil Science Agrochemisty and Ecology, 54 (3):89-102
Ganchev I. 2020. Relationship between biofilm forming ability and biological activity of Bacillus subtilis strains. Bulgarian Journal of Soil Science Agrochemisty and Ecology, 54 (3):103-117
Office: Institute of Soil Science “N. Poushkarov”, 7 “Shousse Bankya” str. 1080 Sofia Bulgaria
Education: Master of Science in Environmental Protection Degrees: PhD, 2009 Key research topics: Soil Pollution, Soil Conservation, Soil protection, Monitoring, Amelioration, physico-chemical characteristics
Teaching Experience: Msc and phD students
Administrative responsibilities: Assistant Professor at Institute of Soil Science, Agrotechnologies and Plant Protection “N. Poushkarov”
Membership of Professional Societies: Bulgarian Soil Science Society, Bulgarian Humic Substances Society
Communication Languages: English, Spanish, Russian
Nikova Ivona, Venera Tsolova, Bisser Hristov, Aleksandar Zdravkov, Kalin Ruskov. Geochemical pattern of soils in the Bobovdol valley. Assessment of Cd and Co contents. Eurasian Journal of Soil Science, 5 (3) 172 – 181, 2016, DOI: http://dx.doi.org/10.18393/ejss.2016.3.172-181
A. Zdravkov, K. Ruskov, I. Nikova, B. Hristov, D. Petrov, D. Bakardjiev. Occurrence and distribution of arsenic in the humus horizon of Bobov Dol valley, Year book of UMG ” Ivan Rilski”, 55 , 1, 40-49 . 2012.
Stefanov Detelin, Kalina Ananieva, Emilia Gesheva, Nikolai Dinev, Ivona Nikova, Andon Vasilev, Snezhana Doncheva. 2014. Ptox-dependent electron flow is involved in photosynthetic electron transport protection against heavy metal toxicity in sunflower leaves.Comptes rendus de l’Academie Bulgare des Sciences, Vol 67, No7, pp.931-936
Ivona Nikova, Tsolova V. Mobility of trace elements in virgin soils from the Bobov dol valley, Bulgaria, International Research Journal of Engineering and Technology (IRJET), Volume: 04 Issue: 10 | Oct -2017, p.743-751, 2017.
Venera Tsolova, Bisser Hristov, Ivona Nikova, Aleksandar Zdravkov, Kalin Ruskov.. Pedogeochemical hallmarks of chromium, nickel and vanadium distribution in Bobov dol valley, Bulgaria. Silva Balcanica, 19(1), p. 43-55, 2018
Tsolova Venera, Ivona Nikova, Bisser Hristov, Kalin Ruskov, Alexandar Zdravkov. Geochemical patterns of soils in the Bobov dol valley, Bulgaria. Assessment of Cu, Pb and Zn contents. Bulgarian Journal of Soil Science® 2016 Volume 1. Issue 2., 2016 www.bsss.bg
Education: Sofia University Kliment Ochridski, Faculty of agronomy, 1949
Degrees: Doctor 1968 USSR Moskow University; 1979 Research professor Soil research institute Poushkarov
Key research topics: Soil organic matter, Soil classification and cartography, evaluation of soil productivity potential, Soil ecology.
5 months – Soil institute Docuchaev, Moscow, Russa
2 months – Moscow universiti Lomonosov
6 months – University of Illinois USA
Teaching Experience: 1980-1983 Honorary lecturer
Msc and phD students: 5 Msc students; 5 phD students
1974-1976 – Head of Dеpartment “Soil genesis and classification” ISS Poushkarov
1977-1979 – Manager of project FAO NO 0503-05-01 „Agricultural Lands as a source of pollutants of the Mediterranean” and project FAO/UNEP “Development of an International Programme on Biological
Nitrogen Fixation” to the HQ of FAO – Rome
1980-1983 – Head of Department “Soil genesis and classification” Institute Poushcarov
1980-1983 – Leader of international project FP 1106-81-03 (PP-2212) “Impact of land use on mountainous ecosystems” (Preliminary faze).
1986-1987 – Leader of project “Establishment of monitoring of forest ecosystems in Bulgaria” Forest institute BAS.
Membership of Scientific Councils:
1980-1983 – Institute “N. Poushkarov”
1983-1987 – Forest institute, BAS
1987-1992 – Research Center of Ecology to the Comity of environment
Membership of Professional Societies: National Society of Soil Science, Bulgarian Humic Substances Society – Honorary member, International Union of Soil Science (IUSS), International Humic Substances Society (IHSS).
Communication Languages: English-good; Russian-good, French-slight
Krastanov S. Filcheva E. Rousseva s. Raichev T, Dimitrov I. Pachev I. 2003. Tendencies and Perspectives of the Research on Humic Substances, J. of “Ecology and Future, v II № 3-4, 11-17.
Krastanov S.1977 Characteristic of organic matter of the main soil types of North Bulgaria. In „Organic matter of virgin and arable soils”. Academy of Science, Soviet Union, Nauka.
Krastanov S. Ciric M. Hamza M. 1977. Agricultural lands as a source of pollutants of the Meriterranean FAO document № 0503-76-01 Ed. Hauck W. p 67. Rome.
Krastanov S. at al, 1975. Surface Water-Logiging Soils in Bulgaria, (book) p 160 Bulgarian Academy of Science.
Krastanov S.1972. Soil Organic Matter and Soil Fertility. (book) Agrarian Academy p 98.
Stevenson F. Krastanov S. Ardakani M. 1973. Formation constants of Cu2+ komplexes with humic and fulvic acids. J. of“Geoderma”, 9, 129-141 Amsterdam.
Krastanov S. I. Vodenicharov, D. Bratanova, N. Ninov. 1973. Composition and nature of humus of the mail soil types and subtypes in Bulgaria. Soil Science and Agro chemistry, VIII № 5 (Bul).
Krastanov S., Iv. Atanasov,1968, Application the BET method in the study the soil organic matter J. of “Comptes Rendus de l`academie de Sciences Agricoles en Bulgarie № 3. Sofia.
Krastanov S. at al, Soil map of Bulgaria-1:400 000, 1968. Bulgarian Academy of Science (BAS).
Krastanov S., Sun Ka Yun, M. Petrova, 1965. Research on humification processes using radioactive organic material. J. of Plant science, vol. II, № 9 (Bul.)