Search Results - "Nikolov, Stoyan C"

Assessing the effect of agricultural land abandonment on bird communities in southern-eastern Europe by Zakkak, Sylvia, Radovic, Andreja, Nikolov, Stoyan C., Shumka, Spase, Kakalis, Lefteris, Kati, Vassiliki

“…Agricultural land abandonment is recognized as a major environmental threat in Europe, being particularly pronounced in south-eastern Europe, where knowledge…”
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Identifying critical migratory bottlenecks and high‐use areas for an endangered migratory soaring bird across three continents by Evan R. Buechley, Steffen Oppel, William S. Beatty, Stoyan C. Nikolov, Vladimir Dobrev, Volen Arkumarev, Victoria Saravia, Clementine Bougain, Anastasios Bounas, Elzbieta Kret, Theodora Skartsi, Lale Aktay, Karen Aghababyan, Ethan Frehner, Çağan H. Şekercioğlu

“…Migrant birds face a number of threats throughout their annual cycle, including persecution, collision with energy infrastructure, and habitat and climate…”
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High juvenile mortality during migration in a declining population of a long‐distance migratory raptor by Oppel, Steffen, Dobrev, Vladimir, Arkumarev, Volen, Saravia, Victoria, Bounas, Anastasios, Kret, Elzbieta, Velevski, Metodija, Stoychev, Stoycho, Nikolov, Stoyan C, Arroyo, Beatriz

“…Many populations of long‐distance migrants are declining and there is increasing evidence that declines may be caused by factors operating outside the breeding…”
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Population reinforcement and demographic changes needed to stabilise the population of a migratory vulture by Oppel, Steffen, Saravia, Victoria, Bounas, Anastasios, Arkumarev, Volen, Kret, Elzbieta, Dobrev, Vladimir, Dobrev, Dobromir, Kordopatis, Panagiotis, Skartsi, Theodora, Velevski, Metodija, Petrovski, Nenad, Bino, Taulant, Topi, Mirjan, Klisurov, Ivaylo, Stoychev, Stoycho, Nikolov, Stoyan C.

“…One approach to stabilise small and declining populations is to breed individuals in captivity and release them into the wild to reinforce existing populations…”
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Differential survival throughout the full annual cycle of a migratory bird presents a life‐history trade‐off by Buechley, Evan R., Oppel, Steffen, Efrat, Ron, Phipps, W. Louis, Carbonell Alanís, Isidoro, Álvarez, Ernesto, Andreotti, Alessandro, Arkumarev, Volen, Berger‐Tal, Oded, Bermejo Bermejo, Ana, Bounas, Anastasios, Ceccolini, Guido, Cenerini, Anna, Dobrev, Vladimir, Duriez, Olivier, García, Javier, García‐Ripollés, Clara, Galán, Manuel, Gil, Alberto, Giraud, Lea, Hatzofe, Ohad, Iglesias‐Lebrija, Juan José, Karyakin, Igor, Kobierzycki, Erik, Kret, Elzbieta, Loercher, Franziska, López‐López, Pascual, Miller, Ygal, Mueller, Thomas, Nikolov, Stoyan C., Puente, Javier, Sapir, Nir, Saravia, Victoria, Şekercioğlu, Çağan H., Sillett, T. Scott, Tavares, José, Urios, Vicente, Marra, Peter P.

“…Long‐distance migrations are among the most physically demanding feats animals perform. Understanding the potential costs and benefits of such behaviour is a…”
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Assessing the effectiveness of intensive conservation actions: Does guarding and feeding increase productivity and survival of Egyptian Vultures in the Balkans? by Oppel, Steffen, Dobrev, Vladimir, Arkumarev, Volen, Saravia, Victoria, Bounas, Anastasios, Kret, Elzbieta, Skartsi, Theodora, Velevski, Metodija, Stoychev, Stoycho, Nikolov, Stoyan C.

“…Assessing the effectiveness of conservation measures to reverse population declines is essential to evaluate management strategies. Management solutions such…”
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Following the White Vulture: Ethno-ornithology along the Flyway of the Egyptian Vulture (Neophron percnopterus) by Stara, Kalliopi, Saravia-Mullin, Victoria, Tsiakiris, Rigas, Adefolu, Solomon, Akyol, Adem, Akyol, Raziye İçtepe, Asswad, Nabegh Ghazal, Çetin, Turan, Dayyoub, Maher, Dushi, Gligor, Ivande, Samuel Tertese, Kordopatis, Panagiotis, Kret, Elzbieta, Özuslu, Serdar, Petrovski, Nenad, Simeonova, Ivalina, Spassova, Yana, Qaneer, Tareq Emad, Pourchier, Cloé, Saad, Louis Junior, ElSafoury, Hana, Topi, Mirjan, Trajҫe, Aleksandër, Ziu, Denada, Nikolov, Stoyan C.

“…Vultures constitute globally the most rapidly declining group of birds. Across their wide distribution range, they share common ecological functions and…”
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Effect of stand age on bird communities in late-successional Macedonian pine forests in Bulgaria by Nikolov, Stoyan C.

“…To gain insight into the question of which vegetation characteristics have the most influence on avian assemblages in late-successional forests, the habitat…”
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Congregations of wintering Egyptian Vultures Neophron percnopterus in Afar, Ethiopia: present status and implications for conservation by Arkumarev, Volen, Dobrev, Vladimir, Abebe, Yilma D, Popgeorgiev, Georgi, Nikolov, Stoyan C

“…The Endangered Egyptian Vulture Neophron percnopterus congregates in communal roosts in the wintering areas and where food availability is high, where even a…”
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Landscape factors affecting territory occupancy and breeding success of Egyptian Vultures on the Balkan Peninsula by Oppel, Steffen, Dobrev, Vladimir, Arkumarev, Volen, Saravia, Victoria, Bounas, Anastasios, Manolopoulos, Aris, Kret, Elzbieta, Velevski, Metodija, Popgeorgiev, Georgi S., Nikolov, Stoyan C.

“…Avian scavengers are declining throughout the world, and are affected by a large number of threats such as poisoning, electrocution, collision with man-made…”
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Assessing genetic diversity patterns at neutral and adaptive loci to inform population reinforcement of an endangered migratory vulture by Bounas, Anastasios, Saravia-Mullin, Victoria, Méndez, Maria, Arkumarev, Volen, Aghajanyan, Lusine, Ararat, Korsh, Buechley, Evan, Dobrev, Vladimir, Dobrev, Dobromir, Efrat, Ron, Klisurov, Ivaylo, Kret, Elzbieta, Skartsi, Theodora, Oppel, Steffen, Petrov, Rusko, Şekercioğlu, Çağan H., Vaidl, Anton, Donázar, José A., Nikolov, Stoyan C., Sotiropoulos, Konstantinos

“…One of the primary goals of conservation translocation programs should be the maintenance of both population demographic stability and genetic diversity. Here,…”
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From research to implementation: Nature conservation in the Eastern Rhodopes mountains (Greece and Bulgaria), European Green Belt by Schindler, Stefan, Curado, Nuno, Nikolov, Stoyan C., Kret, Elzbieta, Cárcamo, Beatriz, Catsadorakis, Giorgos, Poirazidis, Kostas, Wrbka, Thomas, Kati, Vassiliki

“…Nature conservation should ideally build on the scientific recommendations that are concluded from applied conservation research, as well as on monitoring…”
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Major threats to a migratory raptor vary geographically along the eastern Mediterranean flyway by Oppel, Steffen, Arkumarev, Volen, Bakari, Samuel, Dobrev, Vladimir, Saravia-Mullin, Victoria, Adefolu, Solomon, Sözüer, Lale Aktay, Apeverga, Paul T., Arslan, Şafak, Barshep, Yahkat, Bino, Taulant, Bounas, Anastasios, Çetin, Turan, Dayyoub, Maher, Dobrev, Dobromir, Duro, Klea, El-Moghrabi, Laith, ElSafoury, Hana, Endris, Ahmed, Asswad, Nabegh Ghazal, Harry, Junior H., Ivande, Sam T., Jbour, Sharif, Kapsalis, Eleftherios, Kret, Elzbieta, Mahamued, Bruktawit A., Manu, Shiiwua A., Mengistu, Solomon, Moussa Zabeirou, Abdoul R., Muhammad, Sulaiman I., Nakev, Slave, Ngari, Alex, Onoja, Joseph, Osta, Maher, Özuslu, Serdar, Petrovski, Nenad, Popgeorgiev, Georgi, Pourchier, Cloé, Qaneer, Tareq, Ruffo, Alazar, Shobrak, Mohammed, Sidiropoulos, Lavrentis, Skartsi, Theodora, Sözüer, Özgün, Stara, Kalliopi, Tesfaye, Million, Topi, Mirjan, Vavylis, Dimitrios, Velevski, Metodija, Vorpsi, Zydjon, Wondafrash, Mengistu, Xeka, Erald, Yeniyurt, Can, Yordanov, Emil, Nikolov, Stoyan C.

“…The Convention of Migratory Species aims to protect migratory animals throughout their range, but efficient mitigation of threats facing migratory birds is…”
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Should we trust beliefs or data when assessing conservation interventions? A reply to Stoynov 2016 by Oppel, Steffen, Dobrev, Vladimir, Arkumarev, Volen, Saravia, Victoria, Bounas, Anastasios, Kret, Elzbieta, Skartsi, Theodora, Velevski, Metodija, Stoychev, Stoycho, Nikolov, Stoyan C.

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Spatial and Temporal Variability in Migration of a Soaring Raptor Across Three Continents by Phipps, W. Louis, López-López, Pascual, Buechley, Evan R., Oppel, Steffen, Álvarez, Ernesto, Arkumarev, Volen, Bekmansurov, Rinur, Berger-Tal, Oded, Bermejo, Ana, Bounas, Anastasios, Alanís, Isidoro Carbonell, de la Puente, Javier, Dobrev, Vladimir, Duriez, Olivier, Efrat, Ron, Fréchet, Guillaume, García, Javier, Galán, Manuel, García-Ripollés, Clara, Gil, Alberto, Iglesias-Lebrija, Juan José, Jambas, José, Karyakin, Igor V., Kobierzycki, Erick, Kret, Elzbieta, Loercher, Franziska, Monteiro, Antonio, Morant Etxebarria, Jon, Nikolov, Stoyan C., Pereira, José, Peške, Lubomír, Ponchon, Cecile, Realinho, Eduardo, Saravia, Victoria, Sekercioğlu, Cağan H., Skartsi, Theodora, Tavares, José, Teodósio, Joaquim, Urios, Vicente, Vallverdú, Núria

“…Disentangling individual-and population-level variation in migratory movements is necessary for understanding migration at the species level. However, very few…”
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