Ornitofauna of “Yazovir Ovcharica” SPA. Dulev, G. Green Balkans. Pp.: 78. (In Bulgarian)
Natural Colonies of Lesser Kestrel (Falco naumanni) in European Turkey and Discussion on the Chances of Natural Re-colonization of the Species in Bulgaria. Elena Kmetova, Pavlin Zhelev, Aleksandar Mechev, Gradimir Gradev, Ivelin Ivanov. Acta zool. bulg., Suppl. 4, 2012:47-54
Results from Marking of Sandwich Terns (Sterna sandvicensis) with Colour Rings and Radio Transmitters at Pomorie Lake. Dimitar Popov, Doncho Kirov, Pavlin Zhelev. Acta zool. bulg., Suppl. 4, 2012: 147-154
Data from Egyptian Vultures (Neophron percnopterus) Tagged with GPS/GSM Transmitters in Bulgaria. Gradev, G., V. García, I. Ivanov, P. Zhelev, E. Kmetova. Acta zool. bulg., Suppl. 4, 2012: 141-146
Action Plan for the Conservation of Dalmacian Pelecan (Pelecanus crispus) in Bulgaria 2013 – 2022. (In Bulgarian). Michev, T., N. Kamburova (Edit.). 2012. Sofia. MoEW.
GIS modeling of natural habitats from Annex I of Directive 92/43/EEC in Bulgaria – methodology and applying in the establishment and management of the protected sites from NATURA 2000 network. (In Bulgarian) Tzonev, R., Gussev, Ch., Dimitrov, M., Rusakova, V., Lazarova, K., Dimova, D., Belev, T. and Marin, S. 2012.– In: Petrova, A. (ed.), Proc. VII Natl. Conf. Bot., 29–30.09.2011, Sofia, pp. 417-436. Bulg. Bot. Soc., Sofia. ISBN 978-954-92808-2-1. (In Bulgarian)
First results of tracking of Imperial Eagles (Аquila heliaca) tagged with GPS/GSM transmitters in Bulgaria – Gradev, G., V. Matarranz, E. Dobreva, D. Popov, S. Marin, I. Ivanov, P. Zhelev. Acta zool. bulg., Suppl. 3, 2011: 21-28
Increase of the population of the Eastern Imperial Eagle (Aquila heliaca) in Bulgaria. Demerdzhiev, D., G. Gradev, S. Stoychev, I. Ivanov, Tz. Petrov and S. Marin. 2011. Acta zool. bulg., Suppl. 3, 2011: 41-54
Green Balkans’ experts have been involved in the development of Bulgaria’s Red Data Book (2011. Golemansky, V (Editor-In-Chief). Red Data Book of Bulgaria. Volume 2, Animals. Sofia. IBER – BAS.) as lead authors for the following species: Black Kite Milvus migrans, Black Vulture Aegypius monachus, Hen Harrier Circus pygargus, Hobby Falco subbuteo, Sandwich Tern Sterna sandicensis, Great Crested Grebe Podiceps cristatus, and Little Grebe Tachybaptus ruficollis, and co-authors of the articles on: White Stork Ciconia ciconia, Pygmy Cormorant Phalacrocorax pygmeus, Griffon Vulture Gyps fulvus, Lesser Kestrel Falco naumanni.
Habitat model for identifying suitable areas for the restoration of a viable population of Lesser Kestrel (Falco naumanni) in Southeastern Bulgaria. Kmetova E. Master of Science thesis, Central European University, Budapest. 2010.
Saker falcon (Falco cherrug) reintroduction in Bulgaria - Ragyov D., Kmetova E., Dixon A., Kowalczyk K., Koshev Y., Nedialkov N. 2009. Feasibility Study.SESFN. Sofia. 2009.
Data on the Trophic Spectrum of Young Imperial Eagles (Aquila heliaca Savigny, 1809) in South Bulgaria (In Bulgarian). Pavlin V. Zhelev, Gradimir Zh. Gradev, Ivelin I. Ivanov, Dilian G. Georgiev. Ecologia Balkanica 2009, Vol. 1 November 2009 pp. 51-58
Feeding Activity of Three Bat Species (Mammalia: Chiroptera) in Urban Habitats of Upper Thracian Valley (Bulgaria), Proceedings of the Anniversary Scientific Conference of Ecology, p. 538-542 - Slaveya Stoycheva, Dilian Georgiev, Iliana Velcheva, 2008
Seasonality in Marking Activity of the Eurasian Otter (Lutra lutra) in Southern Bulgaria, Proceedings of the Anniversary Scientific Conference of Ecology, p. 236-240 - Dilian G. Georgiev, 2008
Diet Composition of the Eurasian Otter and Co-existing Grey Heron in a Fish Farm during the Spring-Summer Season in Bulgaria, Proceedings of the Anniversary Scientific Conference of Ecology, p. 194-199 - Dilian G. Georgiev, 2008
Eurasian Otters In Micro Dams Of Southern Bulgaria: Where To Place The Monitoring Zones? Georgiev, D.G. (2009). IUCN Otter Spec. Group Bull. 26 (1): 5 - 9
Diploma paper on "Ecological and Faunistic Study on Bats (Chiroptera) in the Areas of Plovdiv and Stara Zagora" - Slaveya Stoycheva, “Paisiy Hilendarsky” Plovdiv University, 2008
Field guide to reptiles and amphibians in Bulgaria, 2007 - in Bulgarian (under Green Balkans’ Terms of Reference)
Report on “Biodiversity in Bulgaria – state, management, funding”, 2007
Discovery of a big hibernacula of Noctule bats (Nyctaus noctula (Schreber, 1774) (Chiroptera: Vespertilionidae) in the town of Plovdiv, Bulgaria (in press)
Research on the state of the Otter in “Dospat” State Forestry Department, Western Rhodopes – Yanislav Yanchev (BSPB) and Dilyan Georgiev (Green Balkans), 2007
Diploma paper on “Captive breeding of species of the Falconiformes order" – Elena Kmetova, “Paisiy Hilendarsky” Plovdiv University, 2007
Flight activity of Nyctalus noctula bats (Schreber, 1774) (MAMMALIA: CHIROPTERA) close to their winter colonies in the town area of Stara Zagora, Southern Bulgaria - Dilian Georgiev, Slaveya Stoycheva, 2006.
Assessment of the enforcement of CITES in CEE countries (Bulgaria, Romania, Slovakia, Poland, Croatia), 2005 (in print)
Study on the Home Range of the Resident Female Otter (Lutra lutra), (Carnivora, Mammalia) in South-East Bulgaria - Dilian G. Georgiev, 2007
Otter (Lutra Lutra L.) mortalities in Southern Bulgaria: a case study - Dilian G. Georgiev, 2007
Concept on the conservation of the habitats of the Otter (Lutra lutra) within NATURA 2000, 2006
Research on the Otter (Lutra lutra) in the sections of the Yantra, Rusensky Lom, Bely Lom, and Cherny Lom rivers and “Mechka” fish-breeding ponds, aimed at expanding the park’s territory and designating new protected areas (under a project of “Rusensky Lom” Natur Park). Yordan Koshev (“Balkani”) and Dilyan Georgiev (“Green Balkans”), 2006
Concept on the conservation of the habitats of the Ground Squirrel (Spermophilus citellus) within NATURA 2000, 2006. (under Green Balkans’ Terms of Reference)
Habitats, distribution and populatio density otter survey in Western Rodopes mountain (southern Bulgaria), 2006
Freshwater crabs preyed on by the Eurasian Otter Lutra lutra in a river habitat of Southern Bulgaria, 2006
Diet of the Otter Lutra Lutra in different habitats of South-Eastern Bulgaria - Dilian G. Georgiev, 2006
Rhodope Mountains: The Green Belt between Greece and Bulgaria in Terry, A., Ullrich K and Riecken U. (2006) The Green Belt of Europe. From Vision to Reality. IUCN, Gland, Switzerland and Cambridge, UK. Grigoriadis, N., Kmetova, E. 2006
Diploma paper on “NATURA 2000 European Ecological Network and its establishment in Bulgaria" – Ivelin Ivanov, “Paisiy Hilendarsky” Plovdiv University, 2005
Diploma paper "Winter status and dynamics of the numbers of waterfowl and birds of prey in Ovcharitza Reservoir. Conservation and ornithological significance of the complex" - Georgi Dulev, “Paisiy Hilendarsky” Plovdiv University, 2005
Habitats ot the Otter (Lutra lutra L.) in some regions of Southern Bulgaria - Dilian G. Georgiev, 2005
Concept on the conservation of bat fauna and habitats in Bulgaria within NATURA 2000, 2005. (under Green Balkans’ Terms of Reference)
Concept on the conservation of natural habitats listed in Annex 1 of Directive 92/43/ЕЕС within NATURA 2000 in Bulgaria, 2005. (under Green Balkans’ Terms of Reference)
Distrinution and numbers of the White Stork (Ciconia Ciconia L.) in selected bulgarian municipalities – results of the international census of the species in Bulgaria 2004-2005, 2005
Status of Eastern Imperial Eagle (Aquila heliaca) in Bulgaria - 1994 to 2002 - Stoychev, S., I. Ivanov, Tz.Petropv, S.Marin, D.Demerdzhiev, G.Gradev, D.Domuschiev. Raptors Worldwide, WWGBP/MME, 2004: pp. 653-660.
Ornitho-fauna of the fish-breeding pond of Nikolaevo, 2005
Diploma paper on "Natura 2000 in Bulgaria". 2005. Ivanov., I. Plovdiv University “Paisii Hilendarski”. (In Bulgarian)
On the food of the Imperial Eagle Aquila heliaca on Sakar Mountain and Dervent Heights, Bulgaria, Marin, S., Ivanov, I., Georgiev, D., Boev, Z. Raptors Worldwide, WWGBP/MME, 2004: Pp 589-592
Some data on the roosting sites of ravens (Corvus corax) in Bulgaria - Stoyan Ch. Nikolov, Ivelin Ivanov, Ivailo Angelov
Diploma paper on “Conservation and ornithological significance of Nikolaevo fish-breeding ponds. Possibilities for inclusion of the site in NATURA 2000”, Elena Tilova, “Paisiy Hilendarsky” Plovdiv University, 2004
Diploma paper on “Winter concentrations of the threatened Pygmy Cormorant (Phalacrocorax pygmeus) in the vicinity of Plovdiv” 2004
Report in the collection On the Road to Kiev – Implementation of the Pan-European Biological and Landscape Diversity Strategy in Central and Eastern European countries, 2003
Report in the collection On the Road to Kiev - Implementation of international commitments in Central and Eastern European countries, 2003
Report on “Biodiversity conservation in National Development Plans”, 2003
Diploma paper on “Species composition of the ornitho-fauna of the Pomorie Lake, conservation status, and habitat restoration" – Gradimir Gradev, Agrarian University - Plovdiv, 2003
Diploma paper on “Designation of Protected Areas as a tool for conservation of biological diversity" – Simeon Marin, “Paisiy Hilendarsky” Plovdiv University, 2003
Assessment of Bulgarian nature conservation policy in the context of the accession of the country to the European union
Report “Evaluating the implementation of international commitments in Central and Eastern Europe”, 2003
Report “Evaluating the implementation of the Pan-European Biological and Landscape Diversity Strategy in Central and Eastern Europe”, 2003
Report “Safeguarding biodiversity in National Development Plans”, 2003
Report “Assessment of the Bulgarian nature-conservation policy in the context of the accession of the country to the European Union”, 2003
Report “Problems of management and development, deriving from the shortcomings of the laws and normative base in the field of landscape and biological diversity and sustainable resource management”, 2002
Report “Problems of managemeent and development deriving from the insufficient development and qualification of capacities (in the context of biological and landscape diversity conservation)”, 2002
Report “Problems of management and development, related to the insufficient development of civil structures in the context of biological and landscape diversity conservation”, 2002
Report “Economic and demographic problems of management and development in the context of landscape and biodiversity conservation”, 2002
Report “Political and regulatory review of potential conflicts among different land-use sectors in aspect of biological diversity and natural resource conservation”, 2002
Report “Recommendations for choosing management models and structures of the future Western Rhodope nature park”, 2002
Research on the food spectrum and the breeding distribution of Imperial Eagle (Aquila heliaca SAVINGY, 1809) in Bulgaria, 2002
The Bearded Vulture in Bulgaria and Macedonia: Monitoring and Conservation. Marin, S., E. Stoynov, I. Ivanov & P. Simeonov 2002. In: LPO/FIR (Ed): Proceedings of the International Conference “Conservation of Bearded Vulture Populations“. Paris. LPO: 50-52.
Report “Biodiversity in the Area of Belene Island, Bulgaria”, 2001
Report “Biodiversity in the Area of Kalimok and Brushlen Marshes, Bulgaria”, 2001
Report “Expected social and economic consequences from wetlands restoration in the area of Belene island, Bulgaria”, 2001
Report “Expected social and economic consequences from wetlands restoration in the area of Kalimok-Brushlen marshes, Bulgaria”, 2001
Report “Analysis of the possible positive and negative impacts on biodiversity in consequence of wetlands restoration in the area of Kalimok-Brushlen marshes and Belene island”, 2001.
Report “Possibilities for Restoration of Bulgarian Wetlands along the Danube – Kalimok and Brushlen Marshes”, 2001
Report on the assessment of the communities on the Belene Island, 2000
Pygmy Cormorant in Bulgaria - state of the population. Action plan, 2000
Bulgarian Nature Conservation Pages Vol. 1, “Concepts of Bulgarian Nature Conservation Organisations for the Biodiversity National Action Plan”, 1999
Bulgarian Nature Conservation Pages Vol. 2, “Concepts of Bulgarian Nature Conservation Organizations for the Biodiversity National Action Plan”, 1999.
Protecting the environment in Bulgaria – joint efforts, 1999
New observations and nesting of the Black Vulture (Aegypius monachus L., 1766) in Bulgaria. Marin, S., Rogev, A., Christov, I., Sarov, M.1998. In: Tewes, E., J. J. Sanchez, B. Heredia, M. Bijleveld van Lexmond (eds.). The Black Vulture in south eastern Europe. BVCF/FZG, Palma de Mallorca: 47-50.
Report in ‘Snap Shot Survey’ – The 4th Pan-European Conference of Environment Ministers, 1998
An NGO View on the Implementation of the Pan-European Biological and Landscape Diversity Strategy in Bulgaria, Hungary, Latvia, Romania, Slovakia, Ukraine, and in Yugoslavia, 1998
Kalimok Marshes: Combining Natural Resource Conservation with Economic Benefits. A Development Proposal,1997
Results of the White Stork (Ciconia ciconia) Census implemented in the former Stara Zagora Region in the period 1994-1995 – Dobromir Ganev, Simeon Marin, Tseno Petrov, Ivan Savov, Ivelin Ivanov, Petko Petkov, 1997
Kaykusha Marsh Combining Natural Resource Conservation with Economic Benefits: A Development Proposal,1997.
Report by Green Balkans in the National Biological Diversity Conservation Strategy, 1996.
Biodiversity conservation in the area of Maritza Iztok mining complex. Ivanov, I., I. Stoev.1995. (In Bulgarian)
Report of the Green Balkans Movement on the Bulgarian National Biological Diversity Conservation Strategy. Nikolov H.at all.1994. Pp.761-790 In; Meine, c. (ed.) Bulgaria’s Biological Diversity; Conservation status and Needs Assessment, Volumes I and II. 1998. Washington, D.C.: Biodiversity Support Program
Proposal for the formation of protected sites on the territory of “Vratchanska Mountains” National Park – Study of the taxonomic composition and biotope distribution of the terrestrial vertebrate fauna and higher vegetation of the Vratchanska mountains, assessment of the limiting factors and recommendations for its conservation, 1994
Research and conservation of biodiversity of Nikolaevo fishpond. Ivanov, I., Stoev, I. 1994. (In Bulgarian)
An attempt of a census of the waders in Bulgaria March-May 1990. Nankinov, D., K. Cvetkova, K. Bedev, G. Lamburov, N. Minchev, V. Bozhilov, S. Marin, G. Seizov, G. Kotsakov. 1990. In: Proc. XII Congress Int. Union Game Biol., Sofia: 38-51.