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Publications about the Srebarna Bioshere Reserve

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Angelov, A. M., unpublished manuscript. Freshwatter molluscs (Mollusca) in the Sre­barna Lake.

Arabadjiev, I., 1974. Pelicans. Priroda (Sofia) 5: 70-74 (in Bulg.).

Baeva, G., 1985. Rare and protected plants in the Srebarna Reserve. Izvestiya na Sayuza na Nauchnite Rabotnitzi v Bulgaria - klon Silistra 4: 138-143 (in Bulg.).

Baeva, G., 1987. Studies on higher aquatic plants and vegetation in the Srebarna Bio­sphere Reserve, Silistra District. In: Nedialkov, S., H. Kochev, T. Michev, A. Damyanova, V. Velev (eds), International Symposium "The role of wetlands in preserv­ing the genetic material", Srebarna, 8-12 October, 1984, Collected works, BAS, Sofia, pp. 109-118 (in Bulg., Engl. summ.).

Baeva, G., 1988a. Ecological characteristics of the higher flora and vegetation in the Sre­barna Biosphere Reserve, Razgrad District. PhD Thesis, Sofia. 228 pp. (in Bulg.).

Baeva, G., 1991a. New chorological data for the Srebarna Reserve and its vicinities. Fi­tologija (Sofia) 40: 80 (in Bulg.).

Baeva, G., 1992. Floristic composition of the Srebarna Biosphere Reserve. Godishnik na Sofiyskiya Universitet “St Kl. Ohridski”, Biologicheski Fakultet, Kniga 2 - Botanika 83: 27-38 (in Bulg., Engl. summ.).

Baeva, G., 1994. Investigation on the overground phytomass of Phragmites australis (Cav.) Trin. ex Steud. and Typha angustifolia L. in the Srebarna Biosphere Reserve. Godishnik na Sofiyskiya Universitet “St Kl. Ohridski”, Biologicheski Fakultet, Kniga 2 -Botanika, 84: 103—109 (in Bulg., Engl. summ.).

Baeva, G., 1994b. State and problems of the Srebarna Biosphere reserve. In: Proceed­ings “Sustainable use of the land and management of water resources in the watershed of the Srebarna Biosphere Reserve, Silistra, October 1994, Ministry of environment, 155-159 (in Bulg.).

Beschovski, V., 1965. Odonata from the Bulgarian riverside of the Danube and from some water basins in Northern Bulgaria. Izvestiya na Zoologicheskiya Institut s Muzey 18: 159-168 (in Bulg., Engl. summ.).

Beschovski, V., M. Marinov, 1993. The Dragonflies (Odonata) from the Srebarna Bio­sphere Reserve in Bulgaria. In: Second National Entomologic Conference, Sofia, 25-27 October 1993, pp. 9-13 (in Bulg., Engl. summ.).

Boschkow, D. K., 1965. On the helminth fauna of Rana ridibunda Pall. in the Srebarna Reserve (Silistra District). Izvestiya na Zoologicheskiya Institut s Muzey 19: 151-166 (in Bulg., Russ. and Germ. summ.).

Bozilova, E., M. Lazarova, K. Strashevska, 1989. Geomorphological peculiarities of the development of the vegetation in the region of Srebarna Lake. Godishnik na Sofiyskiya Universitet, Biologicheski Fakultet, Kniga 2 - Botanika 79: 99-108 (in Russ., Engl. summ.).

Bulgurkov, K., 1958. Hydrological peculiarities of the Srebarna Reserve and composition of its fish fauna. Izvestiya na Zoologicheskiya institut s Muzey 7: 252-263.

Christov, L., 1961. Studies on mammals in the region of the lake of Srebarna, Silistra Dis­trict. Izvestiya na Zoologicheskiya Institut 10: 346-353 (in Bulg., Germ. summ.).

Crivelli, A., 1978. Pelicans in Europe. In: Symposium ‘On Conservation of Colonially Nesting Waterfowl’. Cartage, Tunisia, 24-25 November 1978.

Crivelli, A., 1987. The ecology and behavior of the Dalmatian Pelican, Pelecanus crispus Bruch, a world-endangered species. Report (manuscript), 94 pp.

Crivelli, A., 1995. Action plan for the Dalmatian Pelican. Council of Europe, 32 pp.

Crivelli, A., G. Castsadornis, H. Jerrentrup, D. Hatzilacos, T. Michev, 1991. Conserva­tion and management of pelicans nesting in the Palaearctic. ICBR Technical Publica­tions 12: 137-152.

Crivelli, A., H. Jerrentrup, T. Mitchev, 1988. Electric power lines: a cause of mortality in Pelecanus crispus Bruch, a world endangered bird species, in Porto Lago, Greece. Waterbirds 12: 301-305.

Crivelli, A., T. Michev, 1997. The Dalmatian Pelican, Pelecanus crispus. In: Hagemeijer, E. J. W., M. J. Blair (eds), The EBCC Atlas of European breeding birds: their distribu­tion and abundance. London: T & AD Poyser, 903 pp.

Crivelli, A., T. Nazirides, H. Jerrentrup, 1995. Action plan for the Pygmy Cormorant. Council of Europe, 32 pp.

Crivelli, A., O. Vizi, 1981. The Dalmatian Pelican, Pelecanus crispus Bruch, 1832, a re­cently world-endangered bird species. Biological Conservation 20: 297-310.

Dimitrov, I., 1994. Srebarna Biosphere Reserve. Analysis of the problems and action vari­ants. In: Proceedings “Sustainable use of the land and management of water resources in the watershed of the Srebarna Biosphere Reserve, Silistra, October 1994, Ministry of environment, 26-34 (in Bulg.).

Dimitrov, M., 1966. Materials on the chironomid fauna (larvae) of the Bulgarian part of the Danube and the adjacent basins. Izvestiya na Zoologicheskiya Institut s Muzey 20: 133-138 (in Bulg., Russ. and Engl. summ.).

Dinev, T., A. Beshkov, L. Bozhilov, S. Staykov, Z. Zlatanov, V. Angelova, P. Pisarska, G. Ivanchev, T. Genov, 1967. Studies on the natural focus of tularemia in the Srebarna Reserve, Silistra District. In: First Congress of Microbiology, pp. 297-301 (in Bulg., Engl. summ.).

Draganov, S. J., M. P. Stoyneva, 1992. Algal flora of River Danube (Bulgarian sector) and adjoined water basins. III. Algae from some adjoined water basins. Godischnik na So­fiyskiya Universitet, Biologicheski Fakultet, Kniga 2 - Botanika 82: 63-78 (Bulg. summ.).

Draganov, S. J., M. P. Stoyneva, B. B. Georgiev, 1987. Algal flora of River Danube (Bulgarian sector) and of the adjoined water basins. In: Nedialkov, S., h. Kochev, T. Michev, A. damyanova, V. Velev (eds), International Symposium ‘The role of wetlands in preserving the genetic material’, Srebarna, 8-12 October 1984, Collected works, BAS, Sofia, pp. 42-52 (In Russ., Engl. summ.).

Genov, T., 1969. Natural infestation of vertebrates in the Srebarna Reserve with plerocer­coids of Spirometra erinacei-europaei (Rudolphi, 1819) (Cestoidea, Diphyllobothriidae). Izvestiya na Tsentralnata Khelmintologichna Laboratoriya 13: 197-207 (in Bulg., Russ. and Engl. summ.).

Genov, T., 1971. Helminth fauna in domestic and wild perissodactyls and artiodactyls in the region of Silistra. Nauchni Trudove na Zootekhnicheskiya Fakultet 22: 465-476 (in Bulg.).

Genov, T., 1971. Helminth fauna of carnivores in the region of the Srebarna Reserve. Nauchni Trudove na Zootekhnicheskiya Fakultet 22: 479-490 (in Bulg.).

Genov, T., 1973. Helminth fauna of Lepus europaeus Pall. in South Dobrogea and its eco­logical analysis. Nauchni Trudove na Zootekhnicheskiya Fakultet 23: 709-725 (in Bulg., Russ. and Engl. summ.).

Golemansky, V., 1979. On the Coccidia (Coccidia: Eimeriidae) of small mammals from Parangalitsa, Ropotamo and Srebarna Reserves in Bulgaria. Acta Zoologica Bulgarica 12: 12-26 (in Bulg., Russ. and Engl. summ.).

Gotev, N., 1962. An epizooty of tularemia in muskrats in the lake of Srebarna. Voen­nomeditsinsko Delo 17 (3): 72-76 (in Bulg., Russ. summ.).

Iankov, P. 1996. Where to watch birds in Bulgaria. Sofia: Pensoft, 179 pp.

Ivanov, B., 1979. Study on the winter numbers of some water birds in 1975/76-1977/78 in three marshes along the Danube. Ekologiya (Sofia) 5: 30-43 (in Bulg., Russ. and Engl. summ.).

Ivanov, B., T. Michev, D. Nankinov, V. Pomakov, L. Profirov, 1997. Breeding and wintering status of the Cormorant Phalacrocorax carbo in Bulgaria. Ekologia Polska 45: 63-68.

Kalbermatten, L. F., 1891. Sumpfleben und Jagden (von Wien bis Batum in Klein Asien). Wien-Pest. Leipzig: A. Hatrleben’s Verlag, 73-155.

Kamburova, N., T. Michev. 2003. Habitat Distribution of Breeding Waterbirds of Srebarna Reserve, Bulgaria. - Journal of Balkan Ecology, 6 (2): 191-199.

Kamburova, N., T. Michev. 2003. Breeding density of the Coot in Srebarna Managed Reserve. Acta Zoologica Bulgarica, 55 (1): 29-33.

Kambourova, N. 2004. Breeding Ornithofauna of Srebarna Managed Reserve – Spatial Distribution and Long-Term Changes. Ph-D thesis, Central Laboratory of general Ecology – BAS, 275 pp. (In Bulgarian).

Kambourova, N. 2005. Biological Mapping of Small-sized Natural Territories. - Annuals of Sofia University “St. Kliment Ohridski”, Department of Biology, Book 4 – X Science Session, Sofia 2003, Part II, Vol. 96: 463 – 469.

Kambourova, N. 2005. The Current State of Colonial Waterbirds in Srebarna Managed Reserve. – Annuals of Sofia University “St. Kliment Ohridski”, Department of Biology, Book 4 – X Science Session, Sofia 2003, Part II, Vol. 96: 313 – 320.

Kambourova, N. (2005). The recent status of breeding bird communities of Srebarna Managed Reserve, South-East Bulgaria. – Acrocephalus 26 (125): 81 – 97.

Königstedt, D., D. Robel, 1977. Ornithologische Reiseeindrücke aus Süd- und Ostbulga­rien. Falke 4: 121-131; 5: 168-171.

Königstedt, D., D. Robel, 1978. Zur Avifauna Bulgariens. Ein Nachtrag. Beiträge zur Vogelkunde 24: 276-280.

Kiriakov, I. K., in litt. Algae in the Srebarna lake. (in Bulg.).

Kochev, H., 1987. Phytocoenological characteristics of the Srebarna Biosphere Reserve, Silistra District. In: Nedialkov, S., H. Kochev, T. Michev, A. Damyanova, V. Velev (eds). International Symposium ‘The role of wetlands in preserving the genetic material’, Srebarna, 8-12 October 1984, Collected works, BAS, Sofia, pp. 100-107 (in Bulg., Engl. summ.).

Kochev, H., G. Baeva, 1987. Investigations on chemical composition of some plant spe­cies in the Srebarna Biosphere Reserve, Silistra District. In: Kuzmanov, B. (ed.). Pro­ceedings of IV National Conference of Botany, Sofia 3: 165-169 (in Bulg.).

Kochev, H., S. Husak, H. Otahelova, 1987. Materials about the phytocoenological charac­teristics of water and swamp vegetation in the Eastern part of the Danube, Bulgaria. In: Nedialkov, S., H. Kochev, T. Michev, A. Damyanova, V. Velev (eds). International Symposium ‘The role of wetlands in preserving the genetic material’, Srebarna 8-12 Oc­tober, 1984, Collected works, BAS, Sofia, pp. 81-98 (in Russ., Engl. summ.).

Kochev, H., D. Yordanov, 1976. Macrophytic vegetation in the water basins of the Danu­bian riverside in Bulgaria, its changes under the human impact and its protection. Botanicheskiy Zhurnal 61: 1294-1297 (in Russ.).

Kolebinova, M., 1972. A contribution to the study of the Trombiculidae (Acarina) in the Srebarna Reserve. Izvestiya na Zoologicheskiya Institut s Muzey 34: 141-146 (in Bulg., Engl. summ.).

Kovachev, S., 1994. Content and goals of the programme for monitoring activities in the Srebarna Biosphere reserve. In: Proceedings ‘Sustainable use of the land and man­agement of water resources in the watershed of the Srebarna Biosphere Reserve’, Silis­tra, October 1994, Ministry of environment, 196-200 (in Bulg.).

Kovachev, S., T. Michev, V. Velev, M. Stoyneva, M. Bardova, N. Mikhov, M. Marinov, 1995. Implementation of the programme for monitoring activities in the Srebarna Bio­sphere Reserve. Intermediate report for the Ministry of Environment (October 1994 - February 1995), March 1995, Sofia, 10 pp. (in Bulg.).

Kovachev, S. et al., 1993. Hydrobiological investigations of the Reserve “Srebarna”. In: Waterengineering LTD. Sofia, Project “Reconstruction of the biosphere reseve “Sre­barna”. Phase I., Sofia, october 1993, 45-47 (in Bulg.).

Koyumdjieva, M., 1971. Studies on the superfamily Gamasoidea (Parasitiformes) on small mammals in the region of the Srebarna Reserve (Silistra District). Izvestiya na Zoologicheskiya Institut s Muzey 33: 115-136 (in Bulg., Engl. summ.).

Kraeva, K., 1992. On the composition and the seasonal dynamics of the zooplankton of the Srebarna Lake. Diploma paper. Department of Hydrobiology and Ichthyology, Sofia University ”St Kliment Ohridsky”, 53 pp. (in Bulg.).

Lalev, A., C. Raev, 1988. Observation of Ruddy Shelduck (Tadorna ferruginea) in Silistra District. Ornitologichen Informatzionen Byuletin 23-24: 22-23.

Lazarova, M., 1990. Development of the vegetation in the region of Srebarna Lake. In: Macrofossils in Bulgarian stratigraphy. Sofia: Bolgarskoe Geologicheskoe Obschtestvo, 95-100 (in Russ.).

Lazarova, M., 1995. Pollen-analytical investigation of Holocene sediments from Lake Sre­barna and Garvan Mire near the River Danube (Northeastern bulgaria). Ph. D. Thesis, Sofia, 155 pp. + Append.

Lazarova, M., S. Tonkov, 1994. Surface pollen samples from the region of Lake Srebarna and Garvan Mire (Northeastern Bulgaria). Godishnik na Sofiyskiya Universitet “St. Kl. Ohridski”, Biologicheski Fakultet, Kniga 2 - Botanika 86: 37-51.

Lazarova, M., K. Straszewska, E. Bozilova, 1987. Geomorphological characteristics and development of the vegetation around lake Srebarna during the Holocene. In: Nedialkov, S., h. Kochev, T. Michev, A. damyanova, V. Velev (eds), International Symposium “The role of wetlands in preserving the genetic material“, Srebarna, 8-12 October 1984, Collected works, BAS, Sofia, pp. 74-80 (In Bulg., Engl. summ.).

Lorenz-Liburnau, L., 1893. Ornithologische Bruchstucke aus dem Gebiete der Unteren Donau. Ornithologische Jahrbuch 4: 12-23.

Mateev, D., H. Manev, D. Stoyanov, M. Yanakieva, P. Pisarska, M. Ilieva, M. Peychev, V. Ivanov, 1971. Studies on the natural reservoirs of leptospirosis at the Srebarna Re­serve, Silistra District. Epidemiologiya, Mikrobiologiya i Infekciozni Bolesti 8: 371-377 (in Bulg., Russ. and Engl. summ.).

Michev, T., 1963. The herons of Srebarna. Priroda (Sofia) 5: 88-91 (in Bulg.).

Michev, T., B. B. Georgiev, A. V. Petrova & M. P. Stoyneva (Editors). 1998. Biodiversity of the Srebarna Biosphere Reserve. Checklist and bibliography. Sofia, Co-published by Context & Pensoft, ivx + 130 pp.

Checklist of Srebarna - picture of the cover of the book

Michev, T., 1966. On the biology of the King Fisher (Alcedo atthis atthis L.) in Srebarna Nature Reserve. Izvestiya na Zoologicheskiya Institut s Muzey 20: 175-182 (in Bulg., Germ. summ.).

Michev, T., 1968. New data for the ornithofauna of Srebarna Nature Reserve, South Dobrogea. Izvestiya na Zoologicheskiya Institut s Muzey 27: 13-21 (in Bulg., Russ. and Germ. summ.).

Michev, T., 1981. Dynamics of Dalmatian Pelican’s numbers (Pelecanus crispus Bruch) in Srebarna, South Dobrogea. Collection of Reports, Regional Symposium of the Project 8 MAB, 20-24.10.1980, Blagoevgrad, Restoration and Coordination Center for Environ­ment, Sofia, 516-527 (in Bulg., Russ. and Engl. summ.).

Michev, T. (Editor-in-chief), 1993. National action plan for the conservation of the most important wetlands in Bulgaria. Sofia: Ministry of Environment, 55 pp. (in Bulg., Fr., Engl.).

Michev, T., N. Dilchev, 1986. Chlororganical pesticides in eggs of some bird species from Srebarna Biosphere Reserve. BAS, Restoration and Coordination Center for Ecology and Environmental Protection, 235-237 (in Bulg.).

Michev, T., T. Petrov, 1984. Breeding distribution of the Grey Heron (Ardea cinerea L.) in Bulgaria. Izvestiya na Museite ot Yuzhna Bulgaria 10: 17-26 (in Bulg., Fr. summ.).

Michev, T., M. Stoyneva, 1994a. Srebarna case: habitat changes as reflected by water­fowl. In: Farago, S., J. Kerekes (eds), Limnology and waterfowl. Monitoring, modelling and management. SIL Working group on Aquatic Birds. Abstracts, Sarrod - Sopron, 21-23 November 1994, 32.

Michev, T., M. Stoyneva, 1994b. Srebarna - initiative for optimal management. In: Pro­ceedings ‘Sustainable use of the land and management of water resources in the water­shed of the Srebarna Biosphere Reserve’, Silistra, October 1994, Ministry of environ­ment, 265-273 (in Bulg.).

Michev, T., P. Weber, 1997. Phalacrocorax pygmeus. In: Hagemeijer, E. J. W., M. J. Blair (eds), 1997. The EBCC Atlas of European breeding birds: their distribution and abundance. London: T & AD Poyser, 903 pp.

Michev, T., M. Karapetkova, M. Stoyneva, G. Baeva, 1994a. Report on the environmental impact assessment of the project: ‘Restoration of the Srebarna Biosphere Reserve. Phase I. Realization of the hydraulic connection between the Srebarna Lake and River danube during high water periods”, 29 pp. (in Bulg.).

Michev, T., M. Karapetkova, M. Stoyneva, G. Baeva, 1994b. The reserve “Srebarna”. In: Proceedings ‘Sustainable use of the land and management of water resources in the watershed of the Srebarna Biosphere Reserve’, Silistra, October 1994, Ministry of envi­ronment, pp. 222-231 (in Bulg.).

Michev, T., V. Pomakov, D. Nankinov, B. Ivanov, 1981. Wetlands of international impor­tance in Bulgaria. Collection of Reports, Regional Symposium of the Project 8 MAB, 20-24.10.1980, Blagoevgrad, Restoration and Coordination Center for Environment, Sofia, 448-462.

Michev, T., M. Stoyneva, V. Velev, N. Michov, 1993. Complex ecological investigations of the Srebarna Biosphere Reserve in the conditions of contemporary anthropogenic im­pact. Project of contract 220/1992 with Ministry of Education and Science of Bulgaria. Scientific report for the first phase of the project (november 1992 - october 1993), Sofia, 27 pp. (in Bulg.).

Mikhov, N., 1994. The Srebarna Biosphere Reserve - present and future: towards recovery of its ecological equilibrium. In: Proceedings ‘Sustainable use of the land and manage­ment of water resources in the watershed of the Srebarna Biosphere Reserve’, Silistra, October 1994, Ministry of environment, Appendix, 20 pp. (in Bulg.).

Mikhov, N., 1998. Dynamics of the water level (1991-1998) in Srebarna Biosphere Re­serve. Report for the Ministry of Environment and Waters of Bulgaria, 3 pp. (in Bulg.)

Mikhov, N., M. Marinov, T. Michev, P. Iankov, M. Kurtev, 1997. Srebarna Lake. In: Kostadinova, I. (comp.), 1997. Ornithological Important Areas in Bulgaria. Sofia: BSPB, pp. 106-108 (in Bulg., Engl. summ.).

Mikhov, N., Y. Kutzarov (manuscript). A checklist of the birds of Srebarna Biosphere Re­serve. Sofia, BAS, Central Laboratory for General Ecology, 6 pp.

Modev, S., 1994. Hydrological aspects of the reconstruction of the Srebarna reserve. In: Proceedings ‘Sustainable use of the land and management of water resources in the watershed of the Srebarna Biosphere Reserve’, Silistra, October 1994, Ministry of envi­ronment, pp. 107-138 (in Bulg.).

Mountfort, G., I. J. Ferguson-Lees, 1961. Observations on the Birds of Bulgaria. Ibis 103a: 443-471.

Naidenow, W., 1965. Contribution to the study of the copepod and branchiopod fauna of the water basins adjacent to the Danube. Izvestiya na Zoologicheskiya Institut s Muzey 19: 203-232 (in Bulg., Germ. summ.).

Nankinov, D., D. Kantardjiev, 1982. Distribution of Savi’s Warbler (Locustella luscinioides Savi) in Bulgaria. Ornitologichen Informatzionen Byuletin 11: 47-55 (in Bulg.).

Nankinov, D., S. Simeonov, T. Michev, B. Ivanov, 1997. The Fauna of Bulgaria. Volume 26. Aves. Part II. Sofia: Academic Publishing House “prof. Marin Drinov”, 427 pp. (in Bulg., Engl. summ.).

Nedialkov, S., T. Tsvetkov, 1987. State and perspective of the wood plants in the buffer area of the Srebarna Biosphere Reserve. In: Nedialkov, S., H. Kochev, T. Michev, A. Damyanova, V. Velev (eds). International Symposium ‘The role of wetlands in preserv­ing the genetic material’, Srebarna 8-12 October 1984, Collected works, BAS, Sofia, pp. 119-137 (in Bulg., Engl. summ.).

Nedialkov, S., A. Damyanova, K. Baeva, V. Velev, 1987. Chemical content of plants from Srebarna Biosphere Reserve. In: Nedialkov, S., H. Kochev, T. Michev, A. Damyanova, V. Velev (eds). International Symposium ‘The role of wetlands in preserving the genetic material’, Srebarna, 8-12 October 1984, Collected works, BAS, Sofia, 126-137 (in Bulg., Engl. summ.).

Paspaleva, M., T. Michev, 1971. Numbers and seasonal dynamics of some water birds in the Srebarna Reserve, South Dobrugea. Izvestiya na Zoologicheskiya Institut s Muzey 33: 13-22 (in Bulg., Russ. and Germ. summ.).

Paspaleva, M., T. Mitschev, 1968. Ornithologische Untersuchungen am Bulgarischen Donauufer. In: Limnologische Berichte der X. Jubilaumstagung Donauforschung, Bul­garien, 10-20 October 1966, Sofia, 445-454.

Paspaleva-Antonova, M., 1961a. Contribution to the ornithofauna of the Srebarna Nature Reserve, Silistra District. Izvestiya na Zoologicheskiya institut s Muzey 10: 139-163 (in Bulg., Germ. summ.).

Paspaleva-Antonova, M., 1961b. Studies on the ornithofauna of the Bulgarian Danube riverside. Sofia, PhD thesis, 145 pp. (in Bulg.).

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Peneva, V., S. Nedelchev, 1995. New records of plant nematodes from oaks (Quercus spp.). Dokladi na Balgarskata Akademia na Naukite 48: 61-62.

Peneva, V., S. Nedelchev, L. Penev, 1996. Distribution patterns of criconematid and diphterophorid nematodes in oak forest in Bulgaria. Russian Journal of Nematology 4: 91 (Abstract of paper presented at the First English Language International Symposium of the Russian Society of Nematologists, St. Petersburg, 23-30 September 1995).

Petkoff, S., 1911. Preliminary studies on the swamp flora of the Bulgarian Danubian riverside. Godischnik na Sofiyskiya Universitet, Fiziko-Matematicheski Fakultet 6: 3-45 (in Bulg., Fr. summ.).

Petkov, N. V. 1997. Current Status of the Ferruginous Duck (Aythya nyroca) in Bulgaria. Sofia, MSc Thesis, “St. Kl. Ochridski” Sofia University, 102 pp. (in Bulgarian).

Petkov, N., 1998. Studies on the Ferruginous Duck in Bulgaria. TWSG News 11: 14-19.

Petkov, N. 2004. Comparative Ecological Studies between Ferruginous Duck, Aythya nyroca and Pochard, Aythya ferina during Breeding Season in Bulgaria. Ph-D thesis, Central Laboratory of general Ecology – BAS, 224 pp. (In Bulgarian).

Petrov, A., 1947. The Srebarna Marsh - a breeding pond for pelicans. Sbornik za zaschtita na prirodata, Sofia 3: 113-116, (in Bulg.).

Petrov, T., T. Michev, 1985. Breeding distribution, numbers and protection of the Marsh Harrier, Circus aeruginosus aeruginosus (Linnaeus, 1758) in Bulgaria. In: International Symposium "Protection of natural areas and the genetic fund they contain". Project No 8 on the program ‘Man and Biosphere’, UNESCO, 23-28.09.1985. Blagoevgrad, Bul­garia, Collection of reports, Sofia: BAS, pp. 313-323 (in Bulg., Engl. summ.).

Pisarska, P., 1969. The Aphaniptera from mammals in the natural focus of tularemia in the Srebarna Reserve. Letopisi na Hygienno-epidemiologichnite Instituti 10: 195-200 (in Bulg.).

Radev, A. et al., 1993. Project ‘Reconstruction of the Srebarna biosphere reseve. Phase I., Sofia, october 1993, Waterengineering LTD. - Sofia, 169 pp. (in Bulg.).

Reiser, O., 1894. Materialien zur einer Ornis Balcanica. II. Bulgarien. Wien: In Commis­sion bei Carl Gerold’s Sohn, 294 pp.

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Rozhdestvenski, A., 1964. Riverside lakes. In: Ivanov, K., A. Sotirov, A. Rozhdestvenski, D. Vodenicharov, The lakes in Bulgaria. Trudove na Instituta po Hidrologiya i Meteo­rologiya 16: 206-216 (in Bulg.).

Russev, B., 1966. The zoobenthos of the Danube between 845 and 375 kilometers. I. Composition, distribution and ecology. Izvestiya na Zoologicheskiya Institut s Muzey 20: 55-131 (in Bulg., Germ. Summ.).

Simeonov, S., T. Michev, D. Nankinov, 1990. The Fauna of Bulgaria. Volume 20. Aves. Part I. Sofia: Publishing House of BAS, 350 pp. (in Bulg., Engl. summ.).

Stoichev, S., 1996b. On the chironomid fauna from Bulgarian inland waters. Lauterbornia 25: 117 -123.

Stoyneva, M. P., 1985. Algal flora of the Danube River (Bulgarian sector) and adjoined wa­ter basins. Diploma paper, Sofia, Sofia University “Kliment Ohridski”, Faculty of Biology, Department of Botany, 185 pp. (in Bulg.).

Stoyneva, M. P., 1994. Algological investigations of the wetlands along the Bulgarian Da­nube shore with special reference to the Srebarna Lake. In: Salánki, J., P. Biró (Eds), Proceedings ILEC/UNEP International training course on limnological bases of lake management, Tihany, Hungary, 11-23 October 1993, pp. 228-230.

Stoyneva, M. P., 1995. Algal flora of the Danube river (Bulgarian sector) and adjoined wa­ter basins. V. Algal flora of the water bodies adjacent to the Lake of Srebarna. Godischnik na Sofiyskiya Universitet, Biologicheski Fakultet, Kniga 2 - Botanika 88: 5-19.

Stoyneva, M. P., 1996. Long-term studies of the phytoplankton assemblages of the shallow Srebarna Lake (North-Eastern Bulgaria). Program and Abstracts "10th Workshop Inter­national Association of Phytoplankton Taxonomy and Ecology", June 21-29, 1996, Gra­nada (Spain), p. 52.

Undjian, E., D. Brown, 1984. Raptors along the Danube (between Svishtov and Silistra) Ornitologichen Informatzionen Byuletin 15-16: 34-49 (in Bulg.).

Vasilev, I., 1958. Mites of the Analgesoidea - ectoparasites of birds of the lake of Srebarna near the town of Silistra, Bulgaria. Zoologicheskiy Zhurnal 37: 1325-1338 (in Russ., Engl. summ.).

Velev, V., 1997. Changes of the dynamics of main phytocoenoses of the higher vegetation in the Srebarna Biosphere Reserve. In: Proceedings, International Symposium ‘Ekologiya 97’, Bourgas, pp. 224-226 (in Bulg.).

Velev, V., N. Kamburova. 2002. Studying the opportunity of restriction of unfavorable effect on ecological balance in representative wetlands. 11-th International Symposium “ECOLOGY’ 2002” June, Bourgas, Bulgaria.

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