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Staff publications

Dimitar Demerdzhiev [publications]

Daskalova, G., Shurulinkov, P., Klisurov, I., Angelov, I., Demerdzhiev, D., Petrov, R., 2024. Observations on the behavior of the saker falcon (Falco cherrug) breeding in Bulgaria. — Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”, 67 (1): 153—165. [PDF]

Angelov, I., Ragyov, D., Stoyanov, G., Koychev, V., Tonchev, B., Shurulinkov, P., Demerdzhiev, D., Stoynov, E., Dimchev, I., Gradinarov, D., Hristov, H., Dobrev, D., Arkumarev, V., Vassilev, V., Klisurov, I., Dobrev, V., Kurtev, M., Yotsova, T., Daskalova, G., Nikolov, B., Stoychev, S., Profirov, L., Iankov, P., Petrov, T., 2024. Status of the Golden Eagle in Bulgaria. — In: Bautista-Rodríguez, J., Ellis, D. H. (eds). The Golden Eagle around the world. Hancock House Publishers.

Qaneer, T., Demerdzhiev, D., 2023. First Data on Bird Electrocution in Jordan, with Comments on the Undertaken Conservation Efforts. — Acta Zoologica Bulgarica, Supplement 17: 59—66. [PDF]

Dobrev, D., Dobrev, V., Demerdzhiev, D., 2023. Conservation and Ecology of Raptors: Introduction to the Special Issue. — Diversity, 15 (8): 889 doi:10.3390/d15080889 [PDF]

Demerdzhiev, D., Boev, Z., 2023. Assoc. Prof. Dr. Tseno Petrov and the modern Bulgarian ornithology (A bio-bibliography of an honored Bulgarian ornithologist on occasion of his 80th anniversary). — Bulletin of the Natural History Museum, Plovdiv, 8: 1—21. [PDF]

Demerdzhiev, D. A., Dobrev, D. D., Erkol, I. L., Hanay, M., Delchev, A. G., Dobrev, V. D., Stoychev, S. A., 2023. Distribution, Population Status, Ecology, and Conservation of Eastern Imperial Eagle in Thrace Ecoregion (Bulgaria and Turkey). — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 287—289. doi:10.19074/1814-8654-2023-2-287-289 [PDF]

Demerdzhiev, D. A., Dobrev, D. D., Delchev, A. G., Angelov, I. D., Terziev, N. G., Iliev, M. D., Georgiev, G. S., Boev, Z. N., Nedyalkov, N. P., Arkumarev, V. S., 2023. Distribution, population status, habitats, and conservation of Lesser Spotted Eagle in Bulgaria. — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 32—34. doi:10.19074/1814-8654-2023-2-32-34 [PDF]

Demerdzhiev, D. A., Dobrev, D. D., Boev, Z. N., Nedyalkov, N. P., Delchev, A. G., Stoychev, S. A., Petrov, T. H., 2023. Grassland alterations do not affect breeding success, but lead to dietary shifts of Eastern Imperial Eagle, a top predator: a case of successful adaptation. — Proceedings of Conferences Raptors Conservation 2023, Suppl. 2: 290—294. doi:10.19074/1814-8654-2023-2-290-294 [PDF]

Demerdzhiev, D. A., Dobrev, D. D., Boev, Z. N., 2023. Grassland Alterations Do Not Affect Breeding Success, but Can Explain Dietary Shifts of a Generalist Raptor Species. — Diversity 2023, 15, 422. doi:10.3390/d15030422 [PDF]

Väli, Ü., Treinys, R., Bergmanis, U., Daroczi, S., Demerdzhiev, D., Dombrovski, V., Dravecký, M., Ivanovski, V., Kicko, J., Langgemach, T., Lontkowski, J., Maciorowski, G., Poirazidis, K., Rodziewicz, M., Meyburg, B.-U., 2022. Contrasting patterns of genetic diversity and lack of population structure in the lesser spotted eagle Clanga pomarina (Aves: Accipitriformes) across its breeding range. — Biological Journal of the Linnean Society, V 136 (4): 506—519. [PDF, supplementary information PDF] doi:10.1093/biolinnean/blac065

Gerdzhikov, G., Plachiyski, D., Popgeorgiev, G., Avramov, S., Demerdzhiev, D., Daskalova, G., Shurulinkov, P., 2022. White-backed (Lilford’s) Woodpecker Dendrocopos leucotos lilfordi Sharpe & Dresser, 1871: Distribution and Population Density in Bulgaria. — North-Western Journal of Zoology 18 (1): 65—70. Article No.: e211601. [PDF]

Dobrev, D., Dobrev, V., Hristova, P., Popgeorgiev, G., Demerdzhiev, D., Plachyiski, D., 2022. Long-term changes in a Pygmy Cormorant Microcarbo pygmaeus wintering population in Southern Bulgaria. — Acta Ornithol., 57: 143—154. doi:10.3161/00016454AO2022.57.2.003 [PDF]

Demerdzhiev, D., Dobrev, D., Popgeorgiev, G., Stoychev, S., 2022. Landscape alteration affects the demography of an endangered avian predator by reducing the habitat quality. — Avian Research, 13, Article 100030. doi:10.1016/j.avrs.2022.100030 [PDF]

Demerdzhiev, D., Boev, Z., Dobrev, D., Terziev, N., Nedyalkov, N., Stoychev, S., Petrov, T., 2022. Diet of Eastern Imperial Eagle (Aquila heliaca) in Bulgaria: composition, distribution and variation. — Biodiversity Data Journal, 10: e77746. doi:10.3897/BDJ.10.e77746 [PDF]

Demerdzhiev, D., Boev, Z., Dobrev, D., Nedyalkov, N., Petrov, T., 2022. Does Temporal and Spatial Diet Alteration Lead to Successful Adaptation of a Top Predator. — Diversity 2022, 14, 1000. doi:10.3390/d14111000 [PDF]

Demerdzhiev, D., Angelov, I., Dobrev, D., 2022. Foraging Patterns of Non-Territorial Eastern Imperial Eagle (Aquila heliaca): A Case of Successful Adaptation. — Diversity 14, 1060. doi:10.3390/d14121060 [PDF]

Demerdzhiev, D., 2022. Breeding parameters and factors infuencing the reproduction of an expanding Longlegged Buzzard (Buteo rufnus) population under high breeding density conditions. — Journal of Ornithology, 163: 405—415. doi:10.1007/s10336-022-01967-4 [PDF]

Dobrev, D., Tsiakiris, R., Skartsi, T., Dobrev, V., Arkumarev, V., Stara, K., Stamenov, A., Probonas, N., Kominos, T., Galanaki, A., Kret, E., Hallmann, B., Grubač, B., Sušić, G., Marinković, S., Hribšek, I., Skorić, S., Jerrentrup, H., Lucić, V., Kapelj, S., Stoyanov, G., Zakkak, S., Hristov, H., Stoychev, S., Sidiropoulos, L., Bino, T., Demerdzhiev, D., 2021. Long-term size and range changes of the Griffon Vulture Gyps fulvus population in the Balkans: A review. — Bird Conservation International, 1—16. doi:10.1017/S0959270921000198 [PDF]

Dobrev, D., Dobrev, V., Demerdzhiev, D., 2021. Human activities can hinder the breeding of a top avian predator: preliminary results. — Ornis Hungarica, 29 (2): 71—80. doi:10.2478/ orhu-2021-0020 [PDF]

Stoychev, S., Demerdzhiev, D., Horvath, M., 2020. Eastern Imperial Eagle (Aquila heliaca). — In: Keller, V., Herrando, S. Vorisek, P. et al. European Breeding Bird Atlas 2: Distribution, Abundance and Change. European Bird Census. Councul and Lynx Edicions, Barcelona.

Stoychev, S., Demerdzhiev, D., 2020. Long-legged Buzzard (Buteo rufinus). — In: Keller, V., Herrando, S. Vorisek, P. et al. European Breeding Bird Atlas 2: Distribution, Abundance and Change. European Bird Census. Councul and Lynx Edicions, Barcelona.

Lazarova, I., Dobrev, D., Gradev, G., Petrov, R., Stoychev, S., Klisurov, I., Demerdzhiev, D., 2020. Main mortality factors for the Eastern Imperial Eagle (Aquila heliaca Savigny, 1809) in Bulgaria. — Ornis Hungarica, 28 (2): 120—134. doi:10.2478/orhu-2020-002 [PDF]

Dobrev, D., Arkumarev, V., Dobrev, V., Stamenov A., Demerdzhiev, D., 2020. Use and selection of roost sites by Eurasian Griffon Vultures Gyps fulvus in Bulgaria. — Bird Study, 67 (4): 496—504. doi:10.1080/00063657.2021.1950122 [PDF]

Demerdzhiev, D., Ratarova-Georgieva, V., 2019. International Symposium on Research and Conservation of Lesser Spotted Eagle Clanga pomarina Brehm, 1831 — Bourgas, Bulgaria, 2017. — Acta Zoologica Bulgarica, Suppl. 14: 3—5. [PDF]

Demerdzhiev, D., Popgeorgiev, G., Dobrev, D., Arkumarev, V., Terziev, N., 2019. Habitat Requirements of the Lesser Spotted Eagle Clanga pomarina Brehm, 1831 (Aves: Accipitridae) at the Southern Periphery of the Distribution Range (Southeast Bulgaria). — Acta Zoologica Bulgarica, Suppl. 14: 35—65. [PDF]

Demerdzhiev, D., Dobrev, D., Arkumarev, V., Terziev, N., Georgiev, G., 2019. Distribution, Abundance and Breeding Performance of Lesser Spotted Eagle Clanga pomarina Brehm, 1831 (Aves: Accipitridae) in Southeast Bulgaria. — Acta Zoologica Bulgarica, Suppl. 14: 15—33. [PDF]

Demerdzhiev, D., Dobrev, D., Stoychev, S., Levent, I., Petrov, T., Boev, Z., 2018. Long-term Population Survey of the Eastern Imperial Eagle in the Thracian Eco-region (Bulgaria and Turkey). — Raptors Conservation (Suppl. 1): 111—112. [PDF]

Arkumarev, V., Dobrev, V., Stoychev, S., Dobrev, D., Demerdzhiev, D., Nikolov, S., 2018. Breeding performance and population trend of the Egyptian Vulture Neophron percnopterus in Bulgaria: conservation implications. — Ornis Fennica, 95: 115—127. [PDF]

Плачийски, Д., Рътарова, В., Демерджиев, Д., Чешмеджиев, С., Фердинандова, В., Аркумарев, В., Баталов, Д., Василев, Н., 2018. План за действие за малкия креслив орел (Clanga pomarina) в България за периода 2019—2028 г. — БДЗП, ИАГ и МОСВ, София: 88 с.

Demerdzhiev, D., Stoychev, S., Dobrev, D., Spasov, S., Oppel, S., 2015. Studying the demographic drivers of an increasing Imperial Eagle population to inform conservation management. — Biodivers Conserv., 24: 627—639. doi:10.1007/s10531-014-0841-0 [PDF]

Stoychev S., Demerdzhiev, D., Spasov, S., Meyburg, B.-U., Dobrev, D., 2014. Survival rate and mortality of juvenile and immature eastern imperial eagles (Aquila heliaca) from Bulgaria studied by satellite telemetry. — Slovak Raptor Journal, 8 (1): 53-60. [PDF]

Demerdzhiev, D., Stoychev, S., Dobrev, D., Spasov, S., Terziev, N., 2014. Conservation measures undertaken to improve the population status of eastern imperial eagle (Aquila heliaca) in Bulgaria. — Slovak Raptor Journal, 8 (1): 27—39. [PDF]

Demerdzhiev, D., Hristov, H., Dobrev, D., Angelov, I., Kurtev, M., 2014. Long-term population status, breeding parameters and limiting factors of the Griffon Vulture (Gyps fulvus Hablizl 1783) population in the Eastern Rhodopes, Bulgaria. — Acta Zoologica Bulgarica, 66 (3): 373—384. [PDF]

Demerdzhiev, D., Dobrev, V., Popgeorgiev, G., 2014. Effects of habitat change on territory occupancy, breeding density and breeding success of Long-legged Buzzard (Buteo rufinus Cretzschmar, 1927) in Besaparski riodove special protection area (Natura 2000), Southern Bulgaria. — Acta Zoologica Bulgarica, Suppl. 5: 191—200. [PDF]

Demerdzhiev, D., Dobrev, D., Isfendiyaroglu, S., Boev, Z., Stoychev, S., Terziev, N., Spasov, S., 2014. Distribution, abundance, breeding parameters, threats and prey preferences of the Eastern Imperial Eagle (Aquila heliaca) in European Turkey. — Slovak Raptor Journal 2014, 8 (1): 17—25. [PDF]

Demerdzhiev, D., 2014. Factors influencing bird mortality caused by power lines within Special Protected Areas and undertaken conservation efforts. — Acta Zoologica Bulgarica, 66 (2): 411—423. [PDF]

Demerdzhiev, D., 2014. Birds in Besaparski riodve special protection area (Natura 2000), Southern Bulgaria: conservation status and dynamics. — Acta Zoologica Bulgarica, Suppl. 5: 171—189. [PDF]

Плачийски, Д., Демерджиев, Д., Попгеоргиев, Г., Петков, Н., Корнилев, Ю., 2014. План за действие за опазване на малкия корморан (Phalacrocorax pygmeus) в България (2014—2023 г.). — БДЗП-МОСВ, София: 98 с.

Hristov, H., Demerdzhiev, D., Stoychev, S., 2012. The black vulture Aegypius monachus in Bulgaria. — The Black Vulture: Status, Conservation and Studies. Proceeding of the First International Symposium on the Black Vulture Aegypius monachus (Cordoba, Spain, 21—23 October 2004), 96—104.

Стойчев, С., Демерджиев, Д., Петров, Ц., 2012. План за действие за опазването на кръстатият орел (Aquila heliaca) в България. — МОСВ, София, 73 стр.

Nikolov, S., Demerdzhiev, D, Popgeorgiev, G., Plachiyski, D., 2011. Bird community patterns in sub-Mediterranean pastures: the effects of shrub cover and grazing intensity. — Animal Biodiversity and Conservation, 34.1: 11—21. [PDF]

Demerdzhiev, D., Stoychev, S., Terziev, N., Angelov, I., 2011. Status of the Eastern Imperial Eagle (Aquila heliaca) in the European pert of Turkey. — Acta zool. bulg., Suppl. 3: 87—93. [PDF]

Demerdzhiev, D., Horváth, M., Kovács, A., Stoychev, S., Karyakin, I., 2011. Status and population trend of the Eastern Imperial Eagle (Aquila heliaca) in Europe in the period 2000—2010. — Acta Zoologica Bulgarica, Suppl. 3: 5—14. [PDF]

Demerdzhiev, D., Gradev, G., Stoychev, S., Ivanov, I., Petrov, Ts., Marin, S., 2011. Increase of the population of the Eastern Imperial Eagle (Aquila heliaca) in Bulgaria. — Acta Zoologica Bulgarica, Suppl. 3: 41—54. [PDF]

Demerdzhiev, D., 2011. Eastern Imperial Eagle (Aquila heliaca heliaca Savigny, 1809) (Accipitridae — Aves) in Bulgaria — distribution, biology, ecology, numbers, and conservation measures. — Synopsis of the PhD thesis. NMNHS, BAS, Sofia.

Петров, Ц., Иванов, И., Марин, С., Стойчев, С., Демерджиев, Д., 2011. Царски орел (Aquila heliaca Savigny, 1809). — В: Големански, В. (отг. ред.) Червена Книга на Република България, Том 2, Животни.

Николов, Х., Марин, С., Камбурова, Н., Демерджиев, Д., 2011. Малък корморан (Phalacrocorax pygmeus Pallas,1773). — В: Големански, В. (отг. ред.) Червена Книга на Република България, Том 2, Животни.

Николов, Б., Ватев, И., Демерджиев, Д., Нанкинов, Д., Русков, К., 2011. Белочела сврачка Lanius nubicus Lichtenstein, 1823) — В: Големански, В. (отг. ред.) Червена Книга на Република България, Том 2, Животни.

Куртев, М., Ватев, И., Демерджиев, Д., 2011. Египетски лешояд Neophron percnopterus Linnaeus, 1758) — В: Големански, В. (отг. ред.) Червена Книга на Република България, Том 2, Животни.

Gerdzhikov, G., Demerdzhiev, D., 2009. Data on Bird Mortality in Sakar IBA (BG021), Caused by Hazardous Power Lines. — Ecologia Balkanica, 1: 67—77. [PDF]


— 80 publications
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