Initial proposal and description of the site made by Dr. Nikolai Petkov, Dr. Petar Iankov, Emil Todorov - Bulgarian Society for the Protection of Birds, Bulgaria, 1111 Sofia, P.O.Box 50, phone (+359 2) 9715855, fax (+359 2) 9715856, www.bspb.org .Data revised by a team of Bulgarian Academy of Sciences (http://www.bas.bg).Documents: BDZP/BirdLife Balgariya. 2005. Nacionalna banka za ornitologichna informacia 1988-2005, Balgarsko Druzhestvo za zastita na pticite;Botev, B. and Tz. Peshev, (eds). 1985. Red Data Book of Republic Bulgaria. 2: Animals. Sofia: Bulgarian Academy of Science. (In Bulgarian.);Iankov, P. 2002.(red.). Svetovno zastrasheni vidove ptitsi v Balgariya. Natsionalni planove za deystvie za opazvaneto im. Chast 1. BDZP-MOSV, Prirodozashtitna poreditsa, Kn. 4, Sofiya: 204-219.;Kostadinova, I. (sast.) 1997. Ornitologichno vazhni mesta v Balgariya. BDZP, Prirodozashtitna poreditsa. Kniga 1, BDZP, Sofiya, 176 s.;Kostadinova, I., S. Dereliev, 2001. Srednozimno prebroyavane na vodolyubivite ptitsi v Balgariya za perioda 1997-2001. Prirodozashtitna poreditsa na BDZP ¹3. BDZP. Sofiya.;MOSV. 2005. Arhiv na zastitenite teritorii v Balgaria. Baza danni (nepubl.);Petkov, N. 1997a. Kachulata potapnitsa (Aythya fuligula). Za ptitsite, 2 (esen/zima), 13.;Petkov, N. 1997b. Savremenno sastoyanie na belookata potapnitsa (Aythya nyroca) v Balgariya. Diplomna rabota, Biologicheski Fakultet pri SU Sv. Kl. Ohridski, Sofiya, 104 s.;Petrov, .Tz. 1997b. Beliyat shtarkel (Ciconia ciconia) v Balgariya. Prirodozashtitna poreditsa, Kniga 2, BDZP, Plovdiv.;Petrov, Tz., P.Iankov, T. Michev, B. Milchev, L. Profirov. 1991. Razprostranenie, chislenost I merki za opazvane na cherniya shtarkel, Ciconia nigra (L.) v Balgariya. Izv. Muz. Yu. Balgariya, T. 17, 25-32.;Shurulinkov, P., R. Tsonev, B. Nikolov, G. Stoyanov, L. Asenov. 2005. Ptitsite na Sredna Dunavska ravnina. Sofiya, 120 s.;BirdLife International. 2000. Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, 695pp.;Birdlife International. 2004. Birds in Europe: Population estimates, trends and conservation status. Cambridge, UK: Birdlife International (Birdlife Conservation Series No. 12).;BirdLife International. 2005. World Bird Database Important Birds Areas.Bulgaria. Cambridge. (unpublished);Grimmet, R. F. A., R. T. A. Jones. 1989. Important Bird Areas in Europe. Cambridge, U.K.: ICBP (ICBP Technical Publication No9);Heath, M.F. and Evans, M.I., eds. 2000. Important Bird Areas in Europe: Priority sites for conservation, vol. 2 Southern Europe. Cambridge, UK: BirdLife International (BirdLife Conservation Series No. 8).;Iankov, P., N. Petkov, A. Kovachev, D. Plachiisky. (in print). Pygmy Cormorant in Bulgaria 2001/2002. Final Report.;Ivanov, B. 1979. Studies on the numbers of some aquatic birds during the winter months of 1975, 1976, 1977 and 1978 in three marshes near the Danube river. Ecology, 5, 30-43.Ivanov, B. 1985. Colonial nesting birds on the island of Belene. - In: International symposium of protection of natural habitats and the Genetic Wealth Contained in Term. Blagoevgrad, 23-25 Sept. 1985, Vol.1, Sofia,BG, 296-304.Kostadinova, I. 1998. Draft Management Plan for Belene Island Complex, Bulgaria. Wetland Advisory and Training Centre, RIZA, The Netherlands 41 pp.Kostadinova, I., M. Mihailov, (comp.) 2002. Guide for NATURA 2000 in Bulgaria. BSPB nature conservation series No5. BSPB, Sofia, 80pp. (In Bulgarian.);Kostadinova, I. 2005. Application of C criteria for Identification of Important Bird Areas of European Union importance in Bulgaria. Preliminarily implementation and analysis of the gaps. In: Petrova, A. (ed.), Current state of Bulgarian biodiversity problems and perspectives. Pp. 533-548. Bulgarian Bioplatform, Sofia;Michev, T., Tz. Petrov, L. Profirov. 1989. Status, breeding, distribution, numbers and conservation of the White Stork in Bulgaria; Petkov, N. 1998a. Current Status of the Ferruginous Duck (Aythya nyroca) in Bulgaria. Partimadar, 6-7, MME, Budapest, 4449.MOEW. 1998. CORINE Biotopes Database of the sites of European Importance for the biodiversity. Bulgaria, MOSV (nepubl.);Osieck, E. 2000 Filling in the requirements of the EU Birds Directive: Lessons from the Dutch Case. In: European IBA Workshop. 29 March - 2 April 2000, Brussels, Belgium. Proceedings. BirdLife International, 86-99;Schneider, E., D. Gunther-Diringer, 2001. Management Planning of Protected Areas within the GEF Project Wetland Restoration and Pollution Reduction. GEF TF 024837. Final report. Vol.1, WWF-Auen-Institut, Germany, 155pp.Waliczky, Z. 2000 Important Bird Areas of European Union Importance: explanation of the EU Criteria applied in IBA 2000 In: European IBA Workshop. 29 March - 2 April 2000, Brussels, Belgium. Proceedings. BirdLife International, 12-16; |