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

C

1.2 Site code

NL1000021

1.3 Site name

Krammer-Volkerak

1.4 First Compilation date

1996-12

1.5 Update date

2018-01

1.6 Respondent:

Name/Organisation:Ministry of Agriculture, Nature and Food Quality - Department Nature & Biodiversity
Address:               
Email:

1.7 Site indication and designation / classification dates

Date site classified as SPA:1995-07
National legal reference of SPA designationhttp://www.synbiosys.alterra.nl/natura2000/documenten/gebieden/114/vb_krammervolkerak.pdf
Date site proposed as SCI:1996-12
Date site confirmed as SCI:2004-12
Date site designated as SAC: No information provided
National legal reference of SAC designation: No information provided

2. SITE LOCATION

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2.1 Site-centre location [decimal degrees]:

Longitude:4.254800
Latitude:51.649200

2.2 Area [ha]

6081.0000

2.3 Marine area [%]

0.0000

2.4 Sitelength [km] (optional):


No information provided

2.5 Administrative region code and name

NUTS level 2 code Region Name
NL33Zuid-Holland
NL34Zeeland
NL41Noord-Brabant

2.6 Biogeographical Region(s)

Atlantic (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
1310  info      12  0.00  M  C  C  C  C 
1330  info      60  0.00  M  C  C  C  C 
2160  info      45  0.00  M  C  C  C  C 
2170  info      0.5  0.00  M  C  C  C  C 
2190  info      136  0.00  M  B  C  C  C 
6430  info      16  0.00  G  B  C  A  B 
6510  info      10  0.00  M  C  C  C  C 
  • 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.
BA054Anas acuta    w  130  130  i    G  C  B  C  C 
BA056Anas clypeata    w  500  500  i    G  B  B  C  B 
BA052Anas crecca    w  310  310  i    G  C  B  C  C 
BA050Anas penelope    w  1100  1100  i    G  C  B  C  C 
BA051Anas strepera    w  1200  1200  i    G  B  B  C  B 
BA043Anser anser    w  3800  3800  i    G  C  B  C  C 
BA059Aythya ferina    w  340  340  i    G  B  B  C  B 
BA061Aythya fuligula    w  5600  5600  i    G  B  B  C  B 
BA046Branta bernicla    w  88  88  i    G  C  C  B  C 
BA045Branta leucopsis    w  2900  2900  i    G  B  B  B  B 
BA067Bucephala clangula    w  540  540  i    G  A  B  C  A 
M1337Castor fiber    p  11  50  i    M  C  A  C  C 
BA138Charadrius alexandrinus    r  7  7  p    G  B  C  B  B 
BA137Charadrius hiaticula    r  3  3  p    G  C  C  B  C 
BA137Charadrius hiaticula    w  20  20  i    G  C  B  B  C 
BA081Circus aeruginosus    r  1  1  p    G  C  C  C  C 
F1149Cobitis taenia    p  0  0  i  P  M  C  C  C  C 
BA037Cygnus columbianus bewickii    w  23  23  i    G  C  B  B  C 
BA103Falco peregrinus    w  6  6  i    G  B  A  C  B 
BA125Fulica atra    w  5500  5500  i    G  B  B  C  B 
BA176Larus melanocephalus    r  95  95  p    G  B  B  B  B 
BA156Limosa limosa    c  16  16  i    G  C  B  C  C 
BA069Mergus serrator    w  52  52  i    G  C  B  B  C 
M1340Microtus oeconomus arenicola    p  0  0  i  P  P  C  C  A  B 
BA094Pandion haliaetus    c  3  3  i    G  B  B  C  B 
BA017Phalacrocorax carbo    w  630  630  i    G  B  B  C  B 
BA034Platalea leucorodia    c  0  0  i    G  B  B  B  B 
BA034Platalea leucorodia    r  42  42  p    G  C  B  B  C 
BA007Podiceps auritus    w  9  9  i    G  A  B  C  A 
BA005Podiceps cristatus    w  730  730  i    G  B  B  C  B 
BA132Recurvirostra avosetta    r  160  160  p    G  B  C  B  B 
BA132Recurvirostra avosetta    w  120  120  i    G  C  B  B  C 
BA195Sterna albifrons    r  1  1  p    G  C  C  B  C 
BA193Sterna hirundo    r  14  14  p    G  C  C  C  C 
BA048Tadorna tadorna    w  690  690  i    G  C  B  C  C 
BA162Tringa totanus    w  20  20  i    G  C  B  C  C 
  • 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)


No information provided

4. SITE DESCRIPTION

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4.1 General site character

Habitat class % Cover
N0311.00
N0675.00
N079.00
N165.00

Total Habitat Cover

100

Other Site Characteristics

Former tidal estuary of the Rhine/Maas system, completely closed off from the Oosterschelde (028) in 1987. It also adjoins SPA Grevelingen (NL9802021) in the west, SPAs Haringvliet/ Hollands Diep (NL9802018-19) in the north, and is linked with the Zoommeer (NL9902010) via the Schelde-Rhine river connection (shipping lane to Antwerp). The 20-km long stagnant freshwater lake includes some islets, mudflats and former saltmarshes. Formerly named SPA Volkerakmeer.

4.2 Quality and importance

An important site for breeding Recurvirostra avosetta, Charadriusalexandrinus (max. 184 pairs, 1989) and Sterna albifrons, but numbersare decreasing due to vegetation succession. The best breeding site forLarus melanocephalus in the Netherlands.Species meeting the 1% threshold (breeding): Avocet Recurvirostra avosetta (4%); (non-breeding): Great Crested Grebe Podiceps cristatus (2%); Great Cormorant Phalacrocorax carbo (1%); Eurasian Spoonbill Platalea leucorodia (7%); Mute Swan Cygnus olor (1%); Greylag Goose Anser anser (1%); Barnacle Goose Branta leucopsis (1%); Gadwall Anas strepera (6%); Northern Pintail Anas acuta (4%); Northern Shoveler Anas clypeata (5%); Tufted Duck Aythya fuligula (2%); Common Goldeneye Bucephala clangula (1%); Common Coot Fulica atra (1%); Avocet Recurvirostra avosetta (2%).One of the five most important sites for (breeding): Avocet Recuvirostra avosetta, Mediterranean Gull Larus malanocephalus, Little Tern Sterna albifrons; (non-breeding): Horned Grebe Podiceps auritus.The site regularly supports more than 20,000 wintering waterbirds: average peak number 81,548 (1991/92-1995/96).Site largely overlaps with IBA 026 (IBA2000).

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]
HJ02.05b
MJ02.01i
LA04.02i
MA08Xb
HK02.01i
HK01.01i
HJ02i
LD03i
MK02i
LC03.03i
MK01.03i
LK05.01i
LG01i
MJ02.07o
LH01Xo
LA02.01o
LJ03.02b
Positive Impacts
RankActivities, management [code]Pollution (optional) [code]inside/outside [i|o|b]
MUb

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

4.4 Ownership (optional)


No information provided

4.5 Documentation (optional)

Dijkstra, C. (1987). Muizen op drooggevallen gronden in het Volkerak en Zoommeer. Rapport Rijksuniversiteit Groningen/Rijkswaterstaat, 17 pg.Dijkstra, C. (1988). Muizen op drooggevallen gronden in het Volkerak en Zoommeer II. Rapport Rijksuniversiteit Groningen/Rijkswaterstaat, 17 pg.Dijkstra, C. (1989). Aantalsfluktuaties in muizenpopulaties in relatie tot de ontwikkeling van de vegetatie. Een onderzoek op de in 1987 drooggevallen gronden in het Volkerak- en Zoommeer. Rapport Rijksuniversiteit Groningen/Rijkswaterstaat, 17 pg.Kogel, T.J. de (1980). Een verkennend onderzoek naar het voorkomen van de noordse woelmuis (Microtus oeconomus) op de schorren langs de Oosterschelde, Krammer en Volkerak. Nota TWS, DDMI-79.21.Kraker, K. de & A. van Haperen (2000). Veerse Meer, Grevelingen en Krammer-Volkerak. In; A. van Haperen et al. Aan de monding van Maas en Schelde. Natuurgebieden in Zuidwest-Nederland. Staatsbosbeheer, Middelburg, pp 229-265.Rooij, S.A.M. van & K.P. Groen (1996). De Oevergebieden van het Volkerak-Zoommeer. Ontwikkeling van abiotisch milieu en vegetatie sinds 1987. Flevobericht 393, Rijkswaterstaat Directie IJsselmeergebied, Lelystad. Tempel Rvanden Osieck ER. 1994. Areas important for birds in the Netherlands. Techn Rapport Vogelbescherming 13E. Vogelbescherming Nederland, ZeistOsieck ER. 1996. Veranderingen van vogelaantallen in belangrijke wetlands. Techn Rapport Vogelbescherming 17. Vogelbescherming Nederland, ZeistBreukers CPM Storm AA Dam EMvan Oirschot MCMvan. 1996. Biologische monitoring zoete rijkswateren: watersysteemrapportage Volkerak-Zoommeer 1987-1994. RIZA Nota 96.003. RIZA, LelystadRoomen Mvan Boele A Weide Mvander Winden Evan ea. 2000. Belangrijke vogelgebieden in Nederland 1993-97. Actueel overzicht van Europese vogelwaarden in aangewezen en aan te wijzen speciale beschermingszones en andere belangrijke gebieden. SOVON Informatierapport 2000/01SOVON, Beek-UbbergenTosserams M Lammens EHRR Platteeuw M. 2000. Het Volkerak-Zoommeer. De ecologische ontwikkeling van een afgesloten zeearm. RIZA Rapport 2000.024. Min.VW/RIZA .

5. SITE PROTECTION STATUS

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5.1 Designation types at national and regional level (optional):

Code Cover [%]
NL0156.00

5.2 Relation of the described site with other sites (optional):


No information provided

5.3 Site designation (optional)

Partly protected by Nature Conservation Act (BN090 Krammer-Volkerak 130 ha; SN072 Krammer-Volkerak 3300 ha).

6. SITE MANAGEMENT

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6.1 Body(ies) responsible for the site management:

Organisation:Rijkswaterstaat
Address:
Email:hans.lammers@rws.nl

6.2 Management Plan(s):

An actual management plan does exist:

 Yes
No, but in preparation
X
No

6.3 Conservation measures (optional)

Beheersplan Rijkswateren 2001-2004

 

7. MAP OF THE SITE

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INSPIRE ID:
Map delivered as PDF in electronic format (optional)
 Yes
X
 No

SITE DISPLAY