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

DE3415301

1.3 Site name

Dümmer

1.4 First Compilation date

1999-12

1.5 Update date

2017-05

1.6 Respondent:

Name/Organisation:Nieders. Landesbetrieb f. Wasserwirtschaft, Küsten- und Naturschutz
Address:               
Email:Poststelle@nlwkn-h.niedersachsen.de

1.7 Site indication and designation / classification dates

Date site proposed as SCI:2000-06
Date site confirmed as SCI:2004-12
Date site designated as SAC:2018-12
National legal reference of SAC designation:§32 (2) BNatSchG i.V.m. §26 BNatSchG und §19 NAGBNatSchG, Verordnung über das Landschaftsschutzgebiet 'Dümmer' vom 17.12.2018 (Landkreis Diepholz), Amtsblatt für den Landkreis Diepholz Nr. 25 v. 20.12.2018 S. 42 §32 (2) BNatSchG i.V.m. §23 BNatSchG und §16 NAGBNatSchG, Verordnung über das Naturschutzgebiet 'Huntebruch und Huntebruchwiesen' vom 07.11.2007 (Landkreis Diepholz), Nds. Ministerialblatt Nr. 46 v. 14.11.2007 S. 1288 §32 (2) BNatSchG i.V.m. §23 BNatSchG und §16 NAGBNatSchG, Verordnung über das Naturschutzgebiet 'Westliche Dümmerniederung' vom 14.12.2007 (Landkreise Vechta, Osnabrück, Diepholz), Nds. Ministerialblatt Nr. 52 v. 19.12.2007 S. 1740

2. SITE LOCATION

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2.1 Site-centre location [decimal degrees]:

Longitude:8.335000
Latitude:52.499200

2.2 Area [ha]

2965.0000

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
DE92Hannover
DE94Weser-Ems
DE94Weser-Ems

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
3150  info      1460  0.00 
6430  info      16.4  0.00 
6510  info      13.7  0.00 
7140  info      1.1  0.00 
91E0  info      25.7  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.
P1614Apium repens    7862  7862   
F6963Cobitis taenia   
M1355Lutra lutra     
F1145Misgurnus fossilis   
  • 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
Bromus racemosus             
Dactylorhiza incarnata ssp. incarnata             
Dactylorhiza majalis ssp. majalis             
1203Hyla arborea    11  20             
Lathyrus palustris             
1214Rana arvalis             
  • 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
N0645.00
N0747.00
N154.00
N164.00

Total Habitat Cover

100

Other Site Characteristics

Großer Flachsee mit ausgedehnten naturnahen Verlandungszonen auf Niedermoor (u. a. Unterwasser-, Schwimmblatt- und Röhrichtvegetation, Röhrichte, Hochstaudenfluren, Seggenriede, Erlen-Eschenwald, Erlenbruchwald, Feuchtgrünland).

4.2 Quality and importance

Zweitgrößter natürlicher eutropher See Niedersachsens. In randlichem Grünlandgebiet eines der landesweit wenigen Vorkommen des Kriechenden Selleries (Anh. II).

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]
MA02i
LB02.01.02i
ME04i
LF02b
MG01i
MG01.01i
MH01.03b
HH01.05b
MH04.02b
LH05.01i
LI01i
MJ02.05b
MJ02.05.02i
HJ02.12.02b
MJ03.02b
HK01.02i
MK02.01i
Positive Impacts
RankActivities, management [code]Pollution (optional) [code]inside/outside [i|o|b]
LJ02.10i

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

FFH-Basiserfassung LAVES, Binnenfischerei, Daten zur Fischfauna in Niedersachsen, unveröff. NLWKN, Pflanzenarten-Erfassungsprogramm NLWKN, Tierarten-Erfassungsprogramm NLÖ, Biotopkartierung

5. SITE PROTECTION STATUS

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5.1 Designation types at national and regional level:

Code Cover [%]
DE0266.55
DE05100.00
DE0732.57
DE111.25
IN000.00

5.2 Relation of the described site with other sites:

Designated at national or regional level:

Type code Site name Type Cover [%]
DE11Huntebruch+1.25
DE07Dümmer+0.09
DE07Dümmer*32.48
DE05Dümmer-100.00
DE02Westliche Dümmerniederung*5.00
DE02Ochsenmoor+35.68
DE02Hohe Sieben+2.50
DE02Dümmer+21.01
DE02Huntebruch und Huntebruchwiesen*2.36

6. SITE MANAGEMENT

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6.1 Body(ies) responsible for the site management:

Organisation:LK Diepholz Landkreis Diepholz
Address:
Email:
Organisation:LK Osnabrück Landkreis Osnabrück
Address:
Email:
Organisation:LK Vechta Landkreis Vechta
Address:
Email:

6.2 Management Plan(s):

An actual management plan does exist:

X
Yes Name: Kurzbericht und Maßnahmenplanung Teilflächen der Nds. Landesforsten im NSG 'Huntewiesen und Huntebruchwiesen' , Niedersächsisches Forstamt Ankum, Landkreis Diepholz 2015
Link:

No, but in preparation
No

 

7. MAP OF THE SITE

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

SITE DISPLAY