Database release:

For Special Protection Areas (SPA),
Proposed Sites for Community Importance (pSCI),
Sites of Community Importance (SCI) and
for Special Areas of Conservation (SAC)



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1.1 Type


1.2 Site code


1.3 Site name

Ostrov Bliznatsi

1.4 First Compilation date


1.5 Update date


1.6 Respondent:

Name/Organisation:Ministry of Environment and Water, “National Nature Protection Service” Directorate
Address:  Sofia  22    Sofia    1000  Kn. Maria Luiza Blvd.

1.7 Site indication and designation / classification dates

Date site proposed as SCI:2007-03
Date site confirmed as SCI:2008-12
Date site designated as SAC: No data
National legal reference of SAC designation: No data
Explanation(s):Adopted by Council of Ministers Decision No. 122/02.03.2007 (promulgated SG 21/2007). Extended by Council of Ministers Decision No. 811/16.11.2010 (promulgated SG 96/2010).


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2.1 Site-centre location [decimal degrees]:


2.2 Area [ha]


2.3 Marine area [%]


2.4 Sitelength [km]:


2.5 Administrative region code and name

NUTS level 2 code Region Name

2.6 Biogeographical Region(s)

Continental (100.00 %)


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3.1 Habitat types present on the site and assessment for them

Annex I Habitat types Site assessment
Code PF NP Cover [ha] Cave [number] Data quality A|B|C|D A|B|C
      RepresentativityRelative SurfaceConservationGlobal
3130  info      1.41861  0.00   
3260  info      83.88  0.00 
3270  info      4.8  0.00   
91E0  info      30.22  0.00 
  • PF: for the habitat types that can have a non-priority as well as a priority form (6210, 7130, 9430) enter "X" in the column PF to indicate the priority form.
  • NP: in case that a habitat type no longer exists in the site enter: x (optional)
  • Cover: decimal values can be entered
  • Caves: for habitat types 8310, 8330 (caves) enter the number of caves if estimated surface is not available.
  • Data quality: G = 'Good' (e.g. based on surveys); M = 'Moderate' (e.g. based on partial data with some extrapolation); P = 'Poor' (e.g. rough estimation)

3.2 Species referred to in Article 4 of Directive 2009/147/EC and listed in Annex II of Directive 92/43/EEC and site evaluation for them

Species Population in the site Site assessment
G Code Scientific Name S NP T Size Unit Cat. D.qual. A|B|C|D A|B|C
      MinMax  Pop.Con.Iso.Glo.
F4125Alosa immaculata          DD 
F1130Aspius aspius    33634  33634 
A1188Bombina bombina    localities 
F1149Cobitis taenia    18976  18976 
R1220Emys orbicularis    localities 
F2484Eudontomyzon mariae          DD       
F2555Gymnocephalus baloni    25622  25622 
F1157Gymnocephalus schraetzer    5280220  5280220  area 
M1355Lutra lutra     
F1145Misgurnus fossilis          DD 
F2522Pelecus cultratus    5390000  5390000  area 
M1305Rhinolophus euryale    11  50 
M1304Rhinolophus ferrumequinum    11  50 
F5339Rhodeus amarus    5390000  5390000  area 
F5329Romanogobio vladykovi    15109  15109 
F1146Sabanejewia aurata          DD       
A1993Triturus dobrogicus        localities  DD 
I1032Unio crassus    16770  16770 
M2635Vormela peregusna          DD       
F1160Zingel streber    5396020  5396020  area 
F1159Zingel zingel    5396020  5396020  area 
  • Group: A = Amphibians, B = Birds, F = Fish, I = Invertebrates, M = Mammals, P = Plants, R = Reptiles
  • S: in case that the data on species are sensitive and therefore have to be blocked for any public access enter: yes
  • NP: in case that a species is no longer present in the site enter: x (optional)
  • Type: p = permanent, r = reproducing, c = concentration, w = wintering (for plant and non-migratory species use permanent)
  • Unit: i = individuals, p = pairs or other units according to the Standard list of population units and codes in accordance with Article 12 and 17 reporting (see reference portal)
  • Abundance categories (Cat.): C = common, R = rare, V = very rare, P = present - to fill if data are deficient (DD) or in addition to population size information
  • Data quality: G = 'Good' (e.g. based on surveys); M = 'Moderate' (e.g. based on partial data with some extrapolation); P = 'Poor' (e.g. rough estimation); VP = 'Very poor' (use this category only, if not even a rough estimation of the population size can be made, in this case the fields for population size can remain empty, but the field "Abundance categories" has to be filled in)

3.3 Other important species of flora and fauna (optional)


Population in the site


Group CODE Scientific Name S NP Size Unit Cat. Species Annex Other categories
     MinMax C|R|V|PIVVABCD
Abramis brama                   
Acipenser gueldenstaedti                   
Acipenser ruthenus                   
Acipenser stellatus                   
Alosa pontica                     
Barbus barbus                   
Cyprinus carpio                   
Huso huso                   
Leucojum aestivum                   
Natrix tessellata                   
Sabanejewia bulgarica                   
Silurus glanis                   
Syngnathus abaster                   
Zerynthia polyxena                   
  • Group: A = Amphibians, B = Birds, F = Fish, Fu = Fungi, I = Invertebrates, L = Lichens, M = Mammals, P = Plants, R = Reptiles
  • CODE: for Birds, Annex IV and V species the code as provided in the reference portal should be used in addition to the scientific name
  • S: in case that the data on species are sensitive and therefore have to be blocked for any public access enter: yes
  • NP: in case that a species is no longer present in the site enter: x (optional)
  • Unit: i = individuals, p = pairs or other units according to the standard list of population units and codes in accordance with Article 12 and 17 reporting, (see reference portal)
  • Cat.: Abundance categories: C = common, R = rare, V = very rare, P = present
  • Motivation categories: IV, V: Annex Species (Habitats Directive), A: National Red List data; B: Endemics; C: International Conventions; D: other reasons


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4.1 General site character

Habitat class % Cover

Total Habitat Cover


Other Site Characteristics

The site represents an island group after the town of Vidin. The islands are covered mainly by natural vegetation - willows, poplars. There are small patches, covered by hybrid poplars.

4.2 Quality and importance

The area is of medium conservation value. The site includes the biggest colony of Platalea leucorodia in the Bulgarian part of the Danube River.

4.3 Threats, pressures and activities with impacts on the site

The most important impacts and activities with high effect on the site

Negative Impacts
RankThreats and pressures [code]Pollution (optional) [code]inside/outside [i|o|b]
Positive Impacts
RankActivities, management [code]Pollution (optional) [code]inside/outside [i|o|b]

Rank: H = high, M = medium, L = low
Pollution: N = Nitrogen input, P = Phosphor/Phosphate input, A = Acid input/acidification,
T = toxic inorganic chemicals, O = toxic organic chemicals, X = Mixed pollutions
i = inside, o = outside, b = both

4.5 Documentation

Initial proposal and description of the site made by Georgi Hinkov - Forest Research Institute, BAS, ; Ivelin Ivanov, Green Balkans Federation, Plovdiv, . Initially listed documents: " Arnold, E., J. Burton, D. Ovenden. 1992. A field guide to the Reptiles and Amphibians of Britain and Europe. Collins Publ., London, 272 pp. " Benda, P., T. Ivanova, I. Horacek, V. Hanak, J. Gaisler, J. Cerveny, J. Gaisler, A. Georgieva, B. Petrov, V. Vohralik. 2003. Bats (Mammalia: Chiroptera) of the Eastern Mediterranean. Part 3. Review of bat distribution in Bulgaria. Acta Soc. Zool. Bohem., 67, 245-357. " CORINE BIOTOPES database " Cramp, St. 1983. Handbook of the Birds of Europe the Middle East and North Africa. The Birds of the Western Palearctic. Volume 4. Oxford University Press, 48-62 pp. " Cramp, St., K. Simmons et al. 1977. Handbook of the Birds of Europe the Middle East and North Africa. The Birds of the Western Palearctic. Volume I : Ostrich to Ducks. Oxford University Press. " Danailov, M., P. Terzieva, I. Dobrovolov. 1998. Electrophoretical survey of Cobitis taenia, Cobitis peshevi and their hybrid from some Bulgarians rivers. Acta zoological bulgarica, 50, 2/3, 127-132. " Delany, S., C. Reyes, E. Hubert, S. Pihl, E. Rees, L. Haanstra, A. Strien. 1999. Results from the International Waterbird Census in the Westwrn Paleactic and Southwest Asia 1995 and 1996. Wetlands International Publication, 54, 178 pp. " Georgiev, D. 2003. A report of Mesocricetus newtoni (Mammalia: Cricetidae) from South-Eastern Bulgaria. Trav. Sci. Univ. Plovdiv, Animalia, 39 (6), 107-110. " Ivanova, T. 2005. Important Bat Underground Habitats (IBUH) in Bulgaria. Acta zool. Bulg. " Horacek, I., J. Cerveny, A. Tausl, D. Vitek. 1974. Notes on the Mammal fauna of Bulgaria (Insectivora, Chiroptera, Rodentia). Vestnik Cesk. Spol. Zool., XXXVIII, 1,19-31. " Karapetkova, M., M. Zhivkov . 1995. Fish in Bulgaria. Sofia. "Gea Libris", 247 pp. " Kavrakova, V., D. Dimova, M. Dimitrov, R. Tsonev, T.Belev (ed.). 2005. Guide for identification of habitats of European significance in Bulgaria. WWF DCP, Green Balkans Federation. Sofia. 128 pp. " Kostadinova, I. (compiler). 1997. Important Bird Areas in Bulgaria. BSPB, Sofia. " Kostadinova, I., S. Dereliev. 2001. Results from the midwinter census of waterfowl in Bulgaria for the period 1997-2001 year, Sofia. " Macdonald, D., P. Barret. 1993. Mammals of Britain & Europe. Collins field guide, Harper Collins Publ., London, 312 pp. " Michev, T., L. Profirov. 2003. Mid-winter Numbers of Waterbirds in Bulgaria (1977-2001). Results form 25 years of mid-winter counts carried out at the most important Bulgarian wetlands. Sofia - Moscow, 160. " Mihov, S. 2002. Field guide of amphibians in Bulgaria, Bourgas Wetlands, 45 pp. " Milchev, B., Z. Boev, V. Georgiev. 2004. Die Nahrung der Schleiereule (Tyto alba) in Sudost-Bulgarien. Egretta, 47, 66-77. " Nankinov, D., S. Simeonov, T. Michev, B. Ivanov. 1997. Fauna of Bulgaria. Vol. 26: Aves, Part . Sofia, Academic Publishing House "Prof. M. Drinov", 427 pp. " Nankinov, D. et al. 2004.Breeding totals of the ornithofauna in Bulgari. Green Balkans, Plovdiv, 32 pp. " Ornithological database of Green Balkans Federation of Nature Conservation NGOs. " Patev, P. 1950. Birds in Bulgaria. BAS, Sofia, 364 pp. " Peshev, T., D. Peshev, V. Popov. 2004. Fauna of Bulgaria. Vol. 27: Mammalia.Sofia. Academic Publishing House "Prof. M. Drinov", 632 pp. " Popov, V. 2003. Mammals in Bulgaria. Vitosha Nature Park Directorate, Sofia, "Geosoft", 291 pp. " Roché, J. 2000. Die Vogelstimmen Europas auf 4 CDs - Rufe und Gesänge. "Kosmos". " Shurulinkov, P., R. Tsonev, B. Nikolov, G. Stoyanov, L. Assenov. 2005. Birds of Middle Danube Plain. Sofia. 120 pp. In Bulgarian. " Simeonov, S., T. Michev. 1991. The birds of the Balkan Peninsula. "Peter Beron", Sofia, 249 pp. " Simeonov, S., T. Michev, D. Nankinov. 1990. Fauna in Bulgaria. Vol. 20 Aves. Part. S., BAS, 350 pp. " Simeonov, S., T. Michev. 1991. Birds of the Balkan Peninsula. Peter Beron, Sofia, 245 pp. " Swensson, L. 1992. Identification guide to European Passerines. Stockholm. " Swensson L., P. Grant. 2000. Bird guide. Harper Collins Publishers, London, 392 pp. " Sakalyan, M. (eds.). 1993. National Strategy for Biodiversity Conservation. Main Reports. Volume 1. " Yanaki S. Sivkov. 1989. Morphological characteristics of gudgeon (Gobio albipinnatus Lukasch, 1933) (Pisces, Cyprinidae) from the Bulgarian section of the Danube. Acta zoologica bulgarica 38, 11-13. Data revised by a team of Bulgarian Academy of Sciences ( Data revised by a team of the Institute for Biodiversity and Ecosystem Research, BAS. New data provided by project "Mapping and assessment of the conservation status of the natural habitats and species - Phase 1" (see link).


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5.1 Designation types at national and regional level:

Code Cover [%]

5.3 Site designation (optional)

To preserve the colony of herons and cormorants, as well as the natural forests of Salix alba.


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6.1 Body(ies) responsible for the site management:

Organisation:Regional Inspectorate of Environment and Water: Montana

6.2 Management Plan(s):

An actual management plan does exist:

No, but in preparation

6.3 Conservation measures (optional)

Forest Enterprise Vidin. Limiting the distribution of alien plant species such as Amorpha fruticosa, Acer negundo and Fraxinus americana. Conversion of the hybrid poplar plantations into mixed plantations with the participation of local tree species. Suspension of the heavy machinecultivation of soil on the Islands of Sreden and Severen Bliznak. Limitation of the latter on the Islands of Bliznak. Ban on fishing in the area of the Island.



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