| Long-term Population Status, Breeding Parameters and Limiting Factors of the Griffon Vulture (Gyps fulvus Hablizl, 1783) Population in the Eastern Rhodopes, Bulgaria D Demerdzhiev, H Hristov, D Dobrev, I Angelov, M Kurtev | 42 | 2014 |
| Bird community patterns in sub–Mediterranean pastures: the effects of shrub cover and grazing intensity SC Nikolov, DA Demerdzhiev, GS Popgeorgiev, DG Plachiyski Animal Biodiversity and Conservation 34 (1), 11-21, 2011 | 39 | 2011 |
| Factors influencing bird mortality caused by power lines within special protected areas and undertaken conservation efforts DA Demerdzhiev Acta zoologica bulgarica 66 (2), 411-423, 2014 | 35 | 2014 |
| Impact of power lines on bird mortality in Southern Bulgaria DA Demerdzhiev, S Stoychev, T Petrov, I Angelov, N Nedyalkov Acta Zoologica Bulgarica 61 (2), 175-183, 2009 | 35 | 2009 |
| Status and population trend of the Eastern Imperial Eagle (Aquila heliaca) in Europe in the period 2000–2010 D Demerdzhiev, M Horváth, A Kovács, S Stoychev, I Karyakin Acta Zoologica Bulgarica 3, 5-14, 2011 | 33 | 2011 |
| Studying the demographic drivers of an increasing Imperial Eagle population to inform conservation management D Demerdzhiev, S Stoychev, D Dobrev, S Spasov, S Oppel Biodiversity and Conservation 24, 627-639, 2015 | 28 | 2015 |
| Effects of habitat change on territory occupancy, breeding density and breeding success of Long-legged Buzzard (Buteo rufinus, Cretzschmar, 1927) in Besaparski riodove special … GP Dimitar Demerdzhiev, Vladimir Dobrev Acta Zoologica Bulgarica 5 (Suupelent), 191-200, 2014 | 22 | 2014 |
| Increase of the population of the Eastern Imperial Eagle (Aquila heliaca) in Bulgaria D Demerdzhiev, G Gradev, S Stoychev, I Ivanov, T Petrov, S Marin Acta zoologica Bulgarica Supplementum 3, 41-54, 2011 | 18 | 2011 |
| Conservation measures undertaken to improve the population status of eastern imperial eagle (Aquila heliaca) in Bulgaria D Demerdzhiev, S Stoychev, D Dobrev, S Spasov, N Terziev Raptor Journal 8 (2014), 27-39, 2014 | 17 | 2014 |
| Long-term size and range changes of the Griffon Vulture Gyps fulvus population in the Balkans: a review D Dobrev, R Tsiakiris, T Skartsi, V Dobrev, V Arkumarev, K Stara, ... Bird Conservation International 32 (2), 206-221, 2022 | 16 | 2022 |
| Griffon vulture (Gyps fulvus) D Demerdzhiev, E Stoynov, M Kurtev, P Yankov, H Hristov Atlas of Breeding Birds in Bulgaria. Bulgarian Society for the Protection of …, 2007 | 16 | 2007 |
| Breeding performance and population trend of the Egyptian Vulture Neophron percnopterus in Bulgaria: conservation implications V Arkumarev, V Dobrev, S Stoychev, D Dobrev, D Demerdzhiev, ... Ornis Fennica 95 (3), 115–127-115–127, 2018 | 15 | 2018 |
| Distribution, abundance, breeding parameters, threats and prey preferences of the eastern imperial eagle (Aquila heliaca) in European Turkey D Demerdzhiev, D Dobrev, S Stoychev, N Terziev, S Spasov, Z Boev Raptor Journal 8 (2014), 17-25, 2014 | 15 | 2014 |
| Data on Bird Mortality in" Sakar" IBA (BG021), Caused by Hazardous Power Lines. GP Gerdzhikov, DA Demerdzhiev Ecologia Balkanica 1, 2009 | 15 | 2009 |
| Status of the Eastern Imperial Eagle (Aquila heliaca) in the European part of Turkey D Demerdzhiev, S Stoychev, N Terziev, ID Angelov Acta Zoologica Bulgarica 3, 87-93, 2011 | 14 | 2011 |
| Population status of breeding Saker Falcons (Falco cherrug) in Turkey A Dixon, D Ragyov, Z Ayas, M Deli, D Demerdzhiev, I Angelov, E Kmetova, ... Avian Biology Research 2 (4), 213-220, 2009 | 14 | 2009 |
| Survival rate and mortality of juvenile and immature eastern imperial eagles (Aquila heliaca) from Bulgaria studied by satellite telemetry S Stoychev, D Demerdzhiev, S Spasov, D Dobrev, BU Meyburg Raptor Journal 8 (2014), 53-60, 2014 | 13 | 2014 |
| Main mortality factors for the Eastern imperial eagle (Aquila heliaca Savigny, 1809) in Bulgaria I Lazarova, D Dobrev, G Gradev, R Petrov, S Stoychev, I Klisurov, ... Ornis Hungarica 28 (2), 120-134, 2020 | 10 | 2020 |
| Habitat Requirements of the Lesser Spotted Eagle Clanga pomarina Brehm, 1831 (Aves: Accipitridae) at the Southern Periphery of the Distribution Range (Southeast Bulgaria) VANT D. Demerdzhiev, G. Popgeorgiev, D.Dobrev Acta Zoologica Bulgarica 14 (Supplement 14), 35-65, 2019 | 10 | 2019 |
| Eastern Imperial Eagle (Aquila heliaca heliaca Savigny, 1809)(Accipitridae–Aves) in Bulgaria–distribution, biology, ecology, numbers, and conservation measures D Demerdzhiev National Museum of Natural History, Bulgarian Academy of Science, Sofia, 2011 | 10 | 2011 |
Georgi PopgeorgievBulgarian Society for the Protection of Birds在 bspb.org 的电子邮件经过验证
