Database release:
SDF
NATURA 2000 - STANDARD DATA FORM

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

TABLE OF CONTENTS

1. SITE IDENTIFICATION

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1.1 Type

B

1.2 Site code

BG0000534

1.3 Site name

Ostrov Chayka

1.4 First Compilation date

2005-12

1.5 Update date

2016-09

1.6 Respondent:

Name/Organisation:Ministry of Environment and Water, “National Nature Protection Service” Directorate
Address:  Sofia  22    Sofia    1000  Maria Luiza Blvd. 
Email:r.dimova@moew.government.bg
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).

2. SITE LOCATION

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2.1 Site-centre location [decimal degrees]:

Longitude:27.146400
Latitude:44.130000

2.2 Area [ha]

504.1660

2.3 Marine area [%]

0.0000

2.4 Sitelength [km]:

0.00

2.5 Administrative region code and name

NUTS level 2 code Region Name
BG32Severen tsentralen

2.6 Biogeographical Region(s)

Continental (100.00 %)

3. ECOLOGICAL INFORMATION

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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      2.52083  0.00   
91E0  info      30.25  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           
F1130Aspius aspius           
A1188Bombina bombina        localities   
F2533Cobitis elongata           
F1149Cobitis taenia           
R1220Emys orbicularis        localities   
F2484Eudontomyzon mariae                 
F2555Gymnocephalus baloni           
F1157Gymnocephalus schraetzer           
I1083Lucanus cervus           
M1355Lutra lutra         
F2522Pelecus cultratus           
F1134Rhodeus sericeus amarus           
F5329Romanogobio vladykovi           
I1087Rosalia alpina           
F1146Sabanejewia aurata                 
A1993Triturus dobrogicus        localities   
F1160Zingel streber           
F1159Zingel zingel           
  • 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)

Species

Population in the site

Motivation

Group CODE Scientific Name S NP Size Unit Cat. Species Annex Other categories
     MinMax C|R|V|PIVVABCD
Acipenser gueldenstaedti                   
Acipenser ruthenus                   
Acipenser stellatus                   
Cyprinus carpio                   
Huso huso                   
Leucojum aestivum                   
Natrix tessellata                   
Sabanejewia bulgarica                   
Silurus glanis                   
  • 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

4. SITE DESCRIPTION

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4.1 General site character

Habitat class % Cover
N041.00
N0681.00
N1618.00

Total Habitat Cover

100

Other Site Characteristics

The site includes the Islands of Zapadna Chayka, Iztochna Chayka and Sredna Chayka. The main habitat classes are Bogs, Marshes, Water fringed vegetation, Fens (1%) and Broad-leaved deciduous woodland (99%). Other characteristics include floodplain broad-leaved forests of Salix alba L., S. triandra L., with Populus nigra L., P. alba L., P. canescens Sm., P. euroamericana, Ulmus laevis Pall., Morus alba L., Fraxinus americana L., Acer negundo L.

4.2 Quality and importance

The area is of high conservation value.

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]
LB01.02i
HB01.02o
HB02.02o
LB02.02i
MF02.01.02i
MF02.01.02o
LF03.01i
MF03.01o
LI01i
HI01o
LK01.01i
MK01.01o
Positive Impacts
RankActivities, management [code]Pollution (optional) [code]inside/outside [i|o|b]
MF02.01.02i
MF02.01.02o
LF03.01i
MF03.01o

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, georgihi@abv.bg Data revised by a team of Bulgarian Academy of Sciences (http://www.bas.bg). 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).
http://natura2000.moew.government.bg/Home/ProtectedSite?code=BG0000534&siteType=HabitatDirective

5. SITE PROTECTION STATUS

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5.1 Designation types at national and regional level:

Code Cover [%]
BG00100.00

5.3 Site designation (optional)

To preserve natural forest of Salix alba, Ulmus minor, Populus nigra.

6. SITE MANAGEMENT

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6.1 Body(ies) responsible for the site management:

Organisation:Regional Inspectorate of Environment and Water: Ruse
Address:
Email:

6.2 Management Plan(s):

An actual management plan does exist:

Yes
No, but in preparation
X
No

6.3 Conservation measures (optional)

Forest Enterprise Silisstra. The Islands have naturally growing tree and shrub species. Logging and afforestation have not been conducted. They should be designated and maintained as protected sites.The two Eastern Islands are neutral in terms of state property.

 

7. MAP OF THE SITE

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Map delivered as PDF in electronic format (optional)
Yes
No

SITE DISPLAY