Distribution and status of the European Ground Squirrel (Spermophilus citellus) in Bulgaria YS Koshev Lynx 39 (2), 251-261, 2008 | 56 | 2008 |
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 | 55 | 2012 |
Multilocus phylogeography of the E uropean ground squirrel: cryptic interglacial refugia of continental climate in E urope Š Říčanová, Y Koshev, O Říčan, N Ćosić, D Ćirović, F Sedláček, J Bryja Molecular Ecology 22 (16), 4256-4269, 2013 | 51 | 2013 |
Color variation of small mammals’s (Mammalia: Rodentia and Insectivora) coats from Bulgaria N Nedyalkov, Y Koshev, I Raykov, G Bardarov North-western journal of zoology 10 (2), 314-317, 2014 | 26 | 2014 |
Structure and variability of alarm calls of European ground squirrel Spermophilus citellus L. 1766 (Mammalia: Rodentia) from Western Bulgaria Y Koshev, I Pandourski Acta Zool. Bulgar 60, 99-105, 2008 | 16 | 2008 |
Coccidian parasites (Eucoccidia: Eimeriidae) in European ground squirrel (Spermophilus citellus L., 1766)(Rodentia: Sciuridae) from Bulgaria VG Golemansky, YS Koshev Acta Zoologica Bulgarica 59 (1), 81-85, 2007 | 16 | 2007 |
Environmental factors and distribution of European ground squirrel (Spermophilus citellus) in Bulgaria Y Koshev, M Kocheva Ecology and safety. International Scientific Publications 1, 277-287, 2007 | 16 | 2007 |
Translocations of European ground squirrel (Spermophilus citellus) along altitudinal gradient in Bulgaria–an overview Y Koshev, M Kachamakova, S Arangelov, D Ragyov Nature Conservation 35, 63-95, 2019 | 15 | 2019 |
Invasive raccoon dog depredation on nests can have strong negative impact on the Dalmatian pelican’s breeding population in Bulgaria YS Koshev, MM Petrov, NP Nedyalkov, IA Raykov European journal of wildlife research 66 (5), 85, 2020 | 13 | 2020 |
Systematic and ecological survey on coccidians (Apicomplexa: Eucoccidida) in European ground squirrel (Spermophilus citellus L.)(Rodentia: Sciuridae) from Bulgaria VG Golemansky, YS Koshev Acta Zoologica Bulgarica 61 (2), 141-148, 2009 | 13 | 2009 |
Saker Falcon Falco cherrug reintroduction in Bulgaria: feasibility study D Ragyov, E Kmetova, A Dixon, K Franz, Y Koshev, N Nedialkov SESN. Sofia, 2009 | 12 | 2009 |
Daily activity pattern in free-living European ground squirrels Spermophilus citellus (Mammalia: Rodentia) from Northwestern Bulgaria Y Koshev, M Kocheva Acta Zool Bulg 2, 149-154, 2008 | 11 | 2008 |
The role of ant nests in European ground squirrel’s (Spermophilus citellus) post-reintroduction adaptation in two Bulgarian mountains M Kachamakova, V Antonova, Y Koshev Biodiversity data journal 7, 2019 | 10 | 2019 |
Distribution, isolation and recent status of European ground squirrel (Spermophilus citellus L.) in Pazardzhik district, Bulgaria Y Koshev Annual of Shumen University “Konstantin Preslavsky”, Faculty of Natural …, 2009 | 10 | 2009 |
Sex chromosome variability of Spermophilus citellus (Linnaeus, 1766) in the Southeastern part of the Balkan Peninsula T Chassovnikarova, M Rovatsos, N Atanasov, Y Koshev Mammalian Biology 80, 365-371, 2015 | 8 | 2015 |
Preparatory activities for Saker Falcon (Falco cherrug) reintroduction in Bulgaria: habitat management and electrocution risk assessment D Ragyov, Y Koshev, E Kmetova, G Gradev, G Stoyanov, I Stoev, ... Aquila 119, 91-103, 2012 | 8 | 2012 |
Post-release settlement and survival of endangered European ground squirrel after conservation reinforcement M Kachamakova, Y Koshev Journal for Nature Conservation 63, 126048, 2021 | 6 | 2021 |
Occurrence of the American Mink Neovison vison (Schreber, 1777)(Carnivora: Mustelidae) in Bulgaria YS Koshev Acta Zoologica Bulgarica 71 (3), 417-425, 2019 | 6 | 2019 |
Small Mammals (Mammalia: Erinaceomorpha, Soricomorpha, Rodentia and Lagomorpha) in Ponor Special Protection Area (Natura 2000), Western Bulgaria: Species Diversity … Y Koshev Acta Zoologica Bulgarica (suppl. 5), 107-115, 2014 | 6 | 2014 |
Rise and fall: Results of a multidisciplinary study and 5-year long monitoring of conservation translocation of the European ground squirrel M Kachamakova, Y Koshev, DL Rammou, S Spasov Biodiversity Data Journal 10, 2022 | 5 | 2022 |