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

FR5300048

1.3 Site name

Marais de Mousterlin

1.4 First Compilation date

1995-11

1.5 Update date

2017-09

1.6 Respondent:

Name/Organisation:Ministère de l'écologie, du développement durable et de l'énergie - DGALN/DEB/SDEN/Bureau Natura 2000
Address:          La Défense Cedex  92055   
Email:en3.en.deb.dgaln@developpement-durable.gouv.fr

1.7 Site indication and designation / classification dates

Date site proposed as SCI:2002-04
Date site confirmed as SCI:2004-12
Date site designated as SAC:2014-05
National legal reference of SAC designation:http://www.legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000028967975&dateTexte=&categorieLien=id

2. SITE LOCATION

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2.1 Site-centre location [decimal degrees]:

Longitude:-4.016940
Latitude:47.852220

2.2 Area [ha]

479.0000

2.3 Marine area [%]

62.0000

2.4 Sitelength [km]:

0.00

2.5 Administrative region code and name

NUTS level 2 code Region Name
FR52Bretagne

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
1140  info      47.9  0.00 
1150  info  X     13.51  0.00 
1170  info      95.8  0.00 
1210  info      0.01  0.00       
1230  info      0.06  0.00       
1310  info      5.48  0.00 
1320  info      1.22  0.00 
1330  info      45.62  0.00 
1410  info      2.06  0.00       
1420  info      0.46  0.00       
2110  info      1.7  0.00 
2120  info      9.51  0.00 
2130  info  X     9.4  0.00 
6410  info      0.53  0.00       
6430  info      0.29  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.
I1044Coenagrion mercuriale    50  50 
P1441Rumex rupestris             
  • 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
A294Acrocephalus paludicola           
1191Alytes obstretricans         
Anguis fragilis           
Asphodelus arrondeaui             
Crambe maritima             
Eryngium maritimum             
1263Lacerta viridis           
Linaria arenaria           
Parentucellia latifolia             
Polygonum maritimum             
Salamandra salamandra           
Trifolium repens occidentale             
Triturus helveticus             
  • 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
N0210.00
N0318.00
N0428.00
N0522.00
N063.00
N076.00
N082.00
N108.00
N163.00

Total Habitat Cover

100

Other Site Characteristics

Etangs et bas-marais alcalin à l'est, marais salés à l'ouest, développés en arrière de minces cordons dunaires reliés à la pointe rocheuse de Mousterlin. Le rétablissement d'une variation périodique du plan d'eau (partie est) permettrait d'éviter une banalisation du cortège floristique dont la spécificité actuelle est liée, notamment, à la présence d'espèces sub-halophiles des secteurs amphibies. La fréquentation sur les hauts de plage et les dunes (tourisme) est une menace réelle pour la stabilité du milieu et la conservation des espèces et groupements remarquables.

4.2 Quality and importance

La qualité du site réside dans la diversité des contacts entre zones humides, dunes et boisements, induisant des zones de transition où s'expriment des gradients minéralogiques (gradients de salinité) et sédimentaires. Les habitats d'intérêt communautaires déterminants pour la zone sont les prés-salés atlantiques, accompagnés ici de végétation annuelle à salicornes et de prairies pionnières à spartines, et les dunes. Parmi ces dernières, on note en particulier des dunes fixées (habitats prioritaires) dont les landes à callune sur substrat décalcifié, riches en espèces rares.

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

4.4 Ownership (optional)

Type[%]
PublicNational/Federal0
State/Province0
Local/Municipal0
Any Public0
Joint or Co-Ownership0
Private0
Unknown0
sum0

5. SITE PROTECTION STATUS

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5.1 Designation types at national and regional level:

Code Cover [%]
FR1423.00
FR2315.00

5.2 Relation of the described site with other sites:

Designated at national or regional level:

Type code Site name Type Cover [%]
FR14MARAIS DE MOUSTERLIN*20.00

6. SITE MANAGEMENT

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6.1 Body(ies) responsible for the site management:

Organisation:
Address:
Email:
Organisation:Commune de Fouesnant
Address:
Email:geraldine.gaillere@ville-fouesnant.fr

6.2 Management Plan(s):

An actual management plan does exist:

Yes
No, but in preparation
X
No

 

7. MAP OF THE SITE

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SITE DISPLAY