Cases of abnormal amplexus in anurans (Amphibia: Anura) from Bulgaria and Greece IA Mollov, GS Popgeorgiev, BY Naumov, ND Tzankov, AY Stoyanov Biharean Biologist 4 (2), 121-125, 2010 | 82 | 2010 |
Effect of traffic on mortality of amphibians, reptiles, birds and mammals on two types of roads between Pazardzhik and Plovdiv region (Bulgaria)–Preliminary Results N Kambourova-Ivanova, Y Koshev, G Popgeorgiev, D Ragyov, M Pavlova, ... Acta zoologica bulgarica 64 (1), 57-67, 2012 | 56 | 2012 |
Congregations of wintering Egyptian Vultures Neophron percnopterus in Afar, Ethiopia: present status and implications for conservation V Arkumarev, V Dobrev, YD Abebe, G Popgeorgiev, SC Nikolov Ostrich 85 (2), 139-145, 2014 | 54 | 2014 |
In situ assessment of health status and heavy metal bioaccumulation of adult Pelophylax ridibundus (Anura: Ranidae) individuals inhabiting polluted area in southern Bulgaria ZM Zhelev, DN Arnaudova, GS Popgeorgiev, SV Tsonev Ecological Indicators 115, 106413, 2020 | 46 | 2020 |
Investigating the changes in the morphological content of the blood of Pelophylax ridibundus (Amphibia: Ranidae) as a result of anthropogenic pollution and its use as an … ZM Zhelev, GS Popgeorgiev, MV Angelov Acta Zoologica Bulgarica 65 (2), 187-196, 2013 | 42 | 2013 |
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 | 40 | 2011 |
The distributions of the six species constituting the smooth newt species complex (Lissotriton vulgaris sensu lato and L. montandoni)–an addition to the New Atlas of Amphibians … B Wielstra, D Canestrelli, M Cvijanović, M Denoël, A Fijarczyk, ... Amphibia-Reptilia 39 (2), 252-259, 2018 | 39 | 2018 |
The herpetofauna (Amphibia and Reptilia) of the Western Rhodopes mountain (Bulgaria and Greece) BP Petrov, N Tzankov, H Strijbosch, G Popgeorgiev, V Beshkov Biodiversity of Bulgaria 3, 863-912, 2006 | 35 | 2006 |
Changes in the hepatosomatic index and condition factor in the populations of Pelophylax ridibundus (Amphibia: Ranidae) from anthropogenically polluted … ZM Zhelev, GS Popgeorgiev, NH Mehterov | 31 | 2015 |
The effects of a large-scale fire on the demographic structure of a population of Hermann’s (Testudo hermanni boettgeri Mojsisovics, 1889) and Spur-thighed (Testudo graeca … G PoPgeorgiev Historia naturalis bulgarica 19, 115-127, 2008 | 31 | 2008 |
Major threats to a migratory raptor vary geographically along the eastern Mediterranean flyway S Oppel, V Arkumarev, S Bakari, V Dobrev, V Saravia-Mullin, S Adefolu, ... Biological Conservation 262, 109277, 2021 | 30 | 2021 |
Fluctuating asymmetry in Pelophylax ridibundus (Amphibia: Ranidae) as a response to anthropogenic pollution in South Bulgaria ZM Zhelev, GS Popgeorgiev, AD Arnaudov, KN Georgieva, NH Mehterov Archives of Biological Sciences 67 (3), 1009-1023, 2015 | 28 | 2015 |
Effects of the Common Agricultural Policy on the coverage of grassland habitats in Besaparski ridove special protection area (Natura 2000), Southern Bulgaria V Dobrev, G Popgeorgiev, D Plachiyski Acta zoologica bulgarica, 147-155, 2014 | 28 | 2014 |
Landscape factors affecting territory occupancy and breeding success of Egyptian Vultures on the Balkan Peninsula S Oppel, V Dobrev, V Arkumarev, V Saravia, A Bounas, A Manolopoulos, ... Journal of Ornithology 158, 443-457, 2017 | 27 | 2017 |
Effects of habitat change on territory occupancy, breeding density and breeding success of Long-legged Buzzard (Buteo rufinus Cretzschmar, 1927) in Besaparski Ridove Special … D Demerdzhiev, V Dobrev, G Popgeorgiev Acta zoologica bulgarica 5, 191-200, 2014 | 22 | 2014 |
Fluctuating asymmetry in the populations of Pelophylax ridibundus and Pseudepidalea viridis (Amphibia: Anura) in the region of the lead and zinc plant “Kardzhali”(South Bulgaria) ZM Zhelev, GS Popgeorgiev, ZK Georgieva Acta Zoologica Bulgarica 66 (1), 83-87, 2014 | 21 | 2014 |
National action plan for conservation of wetlands of high significance in Bulgaria, 2013–2022 V Vassilev, R Vassilev, P Yankov, N Kamburova, Y Uzunov, L Pehlivanov, ... Sofia: Bulgarian Biodiversity Foundation, 2013 | 20 | 2013 |
Haematological parameters of Pelophylax ridibundus (Amphibia: Ranidae) from the region of the lead and zinc plant “Kardzhali”(south Bulgaria) and their use in the environmental … ZM Zhelev, GS Popgeorgiev, NH Mehterov Acta zoologica bulgarica 67 (2), 271-282, 2015 | 19 | 2015 |
SmartBirds–Information system with biological information, BSPB G Popgeorgiev, S Spasov, YV Kornilev Retrieved from smartbirds. org, 2015 | 19 | 2015 |
The dice snake (Natrix tessellata) in Bulgaria: distribution and morphology B Naumov, N Tzankov, G Popgeorgiev, A Stojanov, Y Kornilev Mertensiella 18 (1), 288-297, 2011 | 17 | 2011 |