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 | FR8212004 |
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SITENAME | Ensemble lac du Bourget-Chautagne-Rhône |
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TABLE OF CONTENTS
1. SITE IDENTIFICATION
Back to top1.1 Type
1.2 Site code
1.3 Site name
Ensemble lac du Bourget-Chautagne-Rhône |
1.4 First Compilation date
1.5 Update date
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 classified as SPA: | 2018-07 |
National legal reference of SPA designation | https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000037345547 |
2. SITE LOCATION
Back to top2.1 Site-centre location [decimal degrees]:
Longitude: | 5.767500 |
Latitude: | 45.774440 |
2.2 Area [ha]
2.3 Marine area [%]
2.4 Sitelength [km]:
2.5 Administrative region code and name
NUTS level 2 code
|
Region Name
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FR71 | Rhône-Alpes |
2.6 Biogeographical Region(s)
3. ECOLOGICAL INFORMATION
Back to top3.2 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)
- 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
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% Cover
|
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N06 | 75.00 |
N07 | 10.00 |
N08 | 1.00 |
N10 | 1.00 |
N16 | 13.00 |
Total Habitat Cover | 100 |
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Other Site Characteristics
Entre Alpes et Jura, cette zone comprend le plus grand lac naturel entièrement français et ses marais attenants. Ces derniers font le lien avec le cours du Rhône pris en compte sur la totalité de son parcours commun aux départements de l'Ain et de la Savoie.
- Aménagements hydroélectriques sur le fleuve Rhône risquant d'altérer le dynamisme fluvial avec pour conséquences éventuelles la modification des phénomènes hydrologiques, l'eutrophisation, la dégradation de la vie aquatique du fleuve, la perte des petits milieux aquatiques périphériques…
- Dégénérescence des roselières aquatiques (lac du Bourget notamment)
- Atterrissement des marais littoraux
- Dérangement des oiseaux en période de nidification ou d'hivernage.
- Abandon des pratiques agricoles traditionnelles sur les prairies humides conduisant à une évolution vers le boisement.
- Intensification de certaines pratiques agricoles se traduisant par du drainage ou de la mise en culture de prairies.
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4.2 Quality and importance
Le lac du Bourget et les marais attenants jouissent de nombreux statuts prouvant l'intérêt national et européen du site : site inscrit, Z.N.I.E.F.F., loi littoral, arrêté préfectoral de protection de biotope et Z.I.C.O (zone importante pour la conservation des oiseaux)..
L'intérêt du site pour les oiseaux vient de la juxtaposition de plusieurs habitats aquatiques et humides (plans d'eau libre, roselières et herbiers aquatiques, prairies et landes humides, boisements alluviaux, bancs de gravier, lônes…) et de quelques prairies méso-xérophiles.
Plus de 100 espèces se reproduisent sur le site, dont 12 espèces inscrites à l'annexe I de la directive Oiseaux.
Ce site est également un lieu d'hivernage très intéressant pour plusieurs espèces d'oiseaux d'eau (essentiellement Grèbes et anatidés).
Inclus dans ce site, l'arrêté de protection de biotope des îles de Malourdie est une vaste forêt alluviale de 420 hectares gérée par le Conservatoire du patrimoine naturel de la Savoie.
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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 |
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Rank | Threats and pressures [code] | Pollution (optional) [code] | inside/outside [i|o|b] |
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H | A01 | | I |
H | A07 | | I |
H | B01.02 | | I |
H | C01.01.01 | | I |
M | D03.01 | | I |
L | G01.01 | | I |
L | G05 | | I |
M | H01 | | I |
H | J02.01.03 | | I |
H | J02.06 | | I |
H | J02.12 | | I |
Positive Impacts |
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Rank | Activities, management [code] | Pollution (optional) [code] | inside/outside [i|o|b] |
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M | A04 | | I |
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 | [%] |
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Public | National/Federal | 0 |
State/Province | 0 |
Local/Municipal | 0 |
Any Public | 0 |
Joint or Co-Ownership | 0 |
Private | 0 |
Unknown | 0 |
sum | 0 |
4.5 Documentation
Document d'objectifs en cours d'élaboration |
5. SITE PROTECTION STATUS
Back to top5.1 Designation types at national and regional level:
Code
|
Cover [%]
|
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FR05 | 5.00 |
FR12 | 52.00 |
FR14 | 2.00 |
FR17 | 40.00 |
5.2 Relation of the described site with other sites:
Designated at national or regional level:
Type code
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Site name
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Type
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Cover [%]
|
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FR14 | CONJUX | + | 0.00 |
FR14 | LE GRAND PORT | * | 0.00 |
FR14 | Sud du lac du Bourget | + | 1.00 |
FR05 | Ile de Chautagne-Malourdie | + | 4.00 |
FR05 | Rives sud du lac du Bourget | + | 1.00 |
6. SITE MANAGEMENT
Back to top6.1 Body(ies) responsible for the site management:
Organisation: | Syndicat du Haut-Rhône |
Address: | |
Email: | info@haut-rhone.com |
Organisation: | Conservatoire d'Espaces Naturels Savoie |
Address: | |
Email: | info@cen-savoie.org |
6.2 Management Plan(s):
An actual management plan does exist:
6.3 Conservation measures (optional)
Document d'objectifs (en cours d'élaboration) |
7. MAP OF THE SITE
Back to top
No data
SITE DISPLAY