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)
SITE | FR5400438 |
---|
SITENAME | Marais et falaises des côteaux de Gironde |
---|
TABLE OF CONTENTS
1. SITE IDENTIFICATION
Back to top1.1 Type
1.2 Site code
1.3 Site name
Marais et falaises des côteaux de Gironde |
1.4 First Compilation date
1.5 Update date
1.6 Respondent:
Name/Organisation: | Ministère de la Transition écologique - DGALN/DEB/SDET/ET5 |
Address: |
|
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: | 2008-12 |
Date site designated as SAC: | 2009-05 |
National legal reference of SAC designation: | http://www.legifrance.gouv.fr/jo_pdf.do?cidTexte=JORFTEXT000020763843 |
2. SITE LOCATION
Back to top2.1 Site-centre location [decimal degrees]:
Longitude: | -0.765830 |
Latitude: | 45.311940 |
2.2 Area [ha]
2.3 Marine area [%]
No information provided
2.4 Sitelength [km] (optional):
No information provided
2.5 Administrative region code and name
NUTS level 2 code
|
Region Name
|
---|
FR53 | Poitou-Charentes |
2.6 Biogeographical Region(s)
3. ECOLOGICAL INFORMATION
Back to top3.1 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
|
---|
| | | | | | Representativity | Relative Surface | Conservation | Global |
---|
1130
|
|
| 389
| 0.00
| M
| B
| C
| B
| B
|
1210
|
|
| 0
| 0.00
| M
| B
| C
| B
| B
|
1230
|
|
| 30
| 0.00
| M
| B
| C
| C
| C
|
1310
|
|
| 33
| 0.00
| M
| C
| C
| C
| C
|
1330
|
|
| 31
| 0.00
| M
| C
| C
| C
| C
|
2110
|
|
| 1
| 0.00
| M
| C
| C
| C
| C
|
2130
|
X
|
| 1
| 0.00
| M
| C
| C
| C
| C
|
2180
|
|
| 273
| 0.00
| M
| C
| C
| C
| C
|
2270
|
X
|
| 250.16
| 0.00
|
| C
| B
| C
| C
|
3120
|
|
| 21.3
| 0.00
| M
| B
| B
| B
| B
|
3140
|
|
| 1
| 0.00
| M
| B
| C
| C
| C
|
3150
|
|
| 0
| 0.00
| P
| C
| C
| C
| C
|
3170
|
X
|
| 0
| 0.00
|
| C
| B
| B
| A
|
3260
|
|
| 2
| 0.00
| M
| C
| C
| B
| C
|
6210
|
|
| 188
| 0.00
| M
| B
| C
| C
| B
|
6430
|
|
| 1212.2
| 0.00
| M
| C
| C
| C
| C
|
8210
|
|
| 4
| 0.00
| M
| C
| C
| C
| C
|
91E0
|
X
|
| 492
| 0.00
| M
| C
| C
| C
| C
|
9340
|
|
| 58
| 0.00
| M
| B
| C
| C
| B
|
- 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
- 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
|
---|
| | | | | Min | Max | | C|R|V|P | IV | V | A | B | C | D |
---|
P
| | Adiantum capillus-veneris (L.) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
P
| | Asparagus officinalis subsp. prostratus (Dumort) Corb. |
|
|
|
| i
| P
|
|
|
|
|
| X
|
P
| | Bellis pappulosa (Boiss.) |
|
|
|
| i
| P
|
|
| X
|
|
|
|
P
| | Brassica oleracea (L.) |
|
| 1000
|
| i
| P
|
|
| X
|
|
|
|
A
| 1202 | Bufo calamita (Laurenti, 1768) |
|
|
|
| i
| P
| X
|
| X
|
| X
|
|
R
| 1284 | Coluber viridiflavus (Lacepède, 1789) |
|
|
|
| i
| P
| X
|
|
|
|
| X
|
P
| | Crypsis aculeata (L.) Aiton |
|
|
|
| i
| P
|
|
|
|
|
| X
|
P
| | Dianthus hyssopifolius L. subsp. gallicus (Pers.) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
M
| 1327 | Eptesicus serotinus (Schreber, 1774) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1360 | Genetta genetta (Linnaeus, 1758) |
|
|
|
| i
| P
|
| X
| X
|
| X
|
|
A
| 1205 | Hyla meridionalis (Boettger, 1874) |
|
|
|
| i
| P
| X
|
| X
|
| X
|
|
P
| | Hyssopus officinalis L. subsp. canescens (DC.) Nym |
|
|
|
| i
| P
|
|
|
|
|
| X
|
M
| | ipistrellus kuhlii (Kuhl, 1817) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
R
| 1263 | Lacerta viridis (Laurenti, 1768) |
|
|
|
| i
| P
| X
|
|
|
|
| X
|
P
| | Leucojum aestivum (L.) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
P
| | Leymus arenarius (L.) Hochst. |
|
|
|
| i
| P
|
|
|
|
|
| X
|
I
| 1058 | Maculinea arion (L., 1758) |
|
|
|
| i
| P
| X
|
| X
|
|
|
|
M
| | Myotis daubentoni (Kuhl, 1817) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
M
| 1322 | Myotis nattereri (Kuhl, 1817) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1331 | Nyctalus leisleri (kuhl, 1817) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1312 | Nyctalus noctula (Schreber, 1774) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
P
| | Odontites jaubertianus (Boreau) D. Dietr. ex Walp. |
|
|
|
| i
| P
|
|
|
|
|
| X
|
A
| | Pelodytes punctatus (Daudin, 1802) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1309 | Pipistrellus pipistrellus (Shreber, 1774) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1326 | Plecotus auritus (Linnaeus, 1758) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
M
| 1329 | Plecotus austriacus (Linnaeus, 1758) |
|
|
|
| i
| P
|
|
| X
|
| X
|
|
R
| 1256 | Podarcis muralis (Laurenti, 1768) |
|
|
|
| i
| P
| X
|
| X
|
| X
|
|
A
| 1209 | Rana dalmatina (Bonaparte, 1840) |
|
|
|
| i
| P
| X
|
| X
|
| X
|
|
P
| | Ranunculus ophioglossifolius (Vill.) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
A
| 1174 | Triturus marmoratus (Latreille, 1800) |
|
|
|
| i
| P
| X
|
| X
|
| X
|
|
I
| | Zonites algirus (Linnaeus, 1758) |
|
|
|
| i
| P
|
|
|
|
|
| X
|
- 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
Back to top4.1 General site character
Habitat class
|
% Cover
|
---|
N03 | 0.00 |
N04 | 0.00 |
N05 | 0.00 |
N06 | 2.00 |
N07 | 1.00 |
N08 | 4.00 |
N09 | 2.00 |
N10 | 45.00 |
N15 | 35.00 |
N16 | 1.00 |
N18 | 1.00 |
N19 | 2.00 |
N20 | 1.00 |
N22 | 1.00 |
N23 | 5.00 |
Total Habitat Cover | 100 |
---|
Other Site Characteristics
L'essentiel du site est constitué par les prairies naturelles humides bordant la rive droite de la Gironde (les prés salés en avant des digues sont rattachés au site concernant l'estuaire proprement dit) entrecoupées par un réseau de fossés à dense végétation aquatique.
Une ligne de falaises mortes ou vives de calcaire crayeux s'étendant de Mortagne à Talmont et, au nord de Meschers, une forêt littorale sur sables ou pointes rocheuses constituent les autres éléments majeurs de diversité du site.
L'habitat 1210 est présent sur le site, mais de manière extrêmement ponctuelle, au sein de l'habitat 2110 qui lui-même ne représente que 1 ha sur tout le site.
Comme c'est le cas pour tous les marais littoraux centre-atlantiques, le facteur majeur de perte et d'altération des habitats est dû aux mutations agricoles récentes se traduisant par le drainage et la mise en culture (céréaliculture intensive) d'importantes surfaces de prairies naturelles autrefois consacrées au pâturage extensif.
Outre la perte d'importantes surfaces d'habitats semi-naturels au rôle fonctionnel important, cette intensification entraine également une nette dégradation de la qualité de l'eau qui circule dans les fossés inter-parcellaires (eutrophisation, pullulation de pestes végétales - ici surtout Ludwigia sp.pl. - et animales - ragondin-) qui se traduit par un appauvrissement des biocénoses aquatiques.
L'urbanisation, primaire ou générée par le tourisme balnéaire, constitue aussi un facteur fort de dégradation des milieux naturels, surtout au nord de Meschers : nombreux campings, villas privées et résidences de vacances en liaison avec la présence des dernières plages avant les vasières de l'estuaire.
Les pelouses calcicoles - d'une grande importance biogéographique avec de nombreux taxons en limite d'aire ou aire disjointe - subissent un important processus de densification (remplacement des pelouses par des ourlets en nappe où domine Dorycnium pentaphyllum, voire par des fourrés des Prunetalia d'un intérêt bien moindre) en l'absence de toute gestion exportatrice. |
4.2 Quality and importance
Site d'une grande importance régionale sur le plan géomorphologique et écosystémique : passage progressif de biocénoses halophiles au nord de Meschers à des systèmes progressivement plus dulcicoles vers l'amont de l'estuaire.
Richesse floristique et phytocénotique exceptionnelle des falaises boisées situées au nord de Meschers (reliques des anciennes "conches" en grande partie détruites par l'urbanisation) avec des pelouses xéro-thermophiles enclavées d'une très grande valeur, et de celles situées aux environs de Mortagne (plusieurs associations végétales endémiques du site, présence du Chou sauvage, etc).
Sur le plan faunistique, très grand intérêt mammalogique avec la présence simultanée de la Loutre et du Vison, nombreux sites de ponte pour les amphibiens, etc. |
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 |
---|
Rank | Threats and pressures [code] | Pollution (optional) [code] | inside/outside [i|o|b] |
---|
H | A01 | | i |
L | B01 | | i |
M | D01.02 | | i |
H | E01 | | i |
L | F01 | | i |
M | F02.03 | | i |
M | F03.01 | | i |
H | G01 | | i |
M | G01.03 | | i |
M | G05.01 | | i |
H | H01 | | i |
Positive Impacts |
---|
Rank | Activities, 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)
No information provided
4.5 Documentation (optional)
BIOTOPE, 2006 (in prep) - Site Natura 2000 n°36 - DOCUMENT D'OBJECTIFS |
5. SITE PROTECTION STATUS
Back to top5.1 Designation types at national and regional level (optional):
Code
|
Cover [%]
|
---|
FR05 | 0.00 |
FR12 | 9.00 |
FR13 | 0.00 |
FR14 | 1.00 |
5.2 Relation of the described site with other sites (optional):
Designated at national or regional level:
Type code
|
Site name
|
Type
|
Cover [%]
|
---|
FR14 | FORET DE SUZAC | + | 1.00 |
FR05 | La combe d'Armel | + | 0.00 |
5.3 Site designation (optional)
No information provided
6. SITE MANAGEMENT
Back to top6.1 Body(ies) responsible for the site management:
Organisation: | Communauté d'Agglomération Royan Atlantique |
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)
Le périmètre du site comprend un centre de vacances de l'IGESA dont l'activité sera pérnnisée |
7. MAP OF THE SITE
Back to top
No information provided
SITE DISPLAY