Special Protection Area (Birds Directive) · fra
Grande Brière, marais de Donges et du Brivet
- Area
- 198 km²
- IUCN cat.
- Not Reported
- Year
- 2019
Overview
- Designation
- Special Protection Area (Birds Directive)
- Established
- 2019
- Managing authority
- See European Environment Agency Geospatial Data Catalogue for more information - https://sdi.eea.europa.eu/catalogue/srv/api/records/be2142b0-7dc4-42e3-afac-f7cc5f1a9ac6
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 008 distinct species · 31 838 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Grande Brière, marais de Donges et du Brivet : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 5 bulles famille, 87 interactions GloBI documentées sur 5 types (connectance 10.1%, filtre Serrano α=0.2). Les 5 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 38 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
87,1km
Lake surface here
40,51km²
Basins crossed
1
Max stream order
3
Max drainage
1 138km²
Discharge in basins
0,0m³/s
Mean precip.
814mm/an
Mean T°
11,7°C
Moisture idx
0,04
Max snow
5%
Mean runoff
527mm/an
Mean elev. (basins)
16m
Watersheds crossing here
Lakes (38, top by area)
- Lake #14003area13,2 km²avg depth1.4 m
- Lake #14007area10 km²avg depth1.6 m
- Lake #68938area2,3 km²avg depth2.5 m
- Lake #68923area1,8 km²avg depth2.5 m
- Lake #68918area1,4 km²avg depth0.8 m
- Le Piétinarea1,4 km²avg depth0.9 m
- Lac 1350591area0,8 km²avg depth2.4 m
- Lac 1350060area0,6 km²avg depth2.9 m
- Lac 1350500area0,6 km²avg depth1.7 m
29 more lakes
- Lac 1349964area0,6 km²avg depth1.9 m
- Lac 1350276area0,6 km²avg depth2.1 m
- Lac 1350416area0,6 km²avg depth1.5 m
- Lac 1350191area0,6 km²avg depth3.1 m
- Lac 1350299area0,5 km²avg depth2.2 m
- Lac 1350084area0,5 km²avg depth3.2 m
- Lac 1350220area0,4 km²avg depth2.2 m
- Lac 1350495area0,4 km²avg depth1.4 m
- Lac 1350262area0,4 km²avg depth1.3 m
- Lac 1350178area0,3 km²avg depth0.8 m
- Lac 1350343area0,3 km²avg depth1.2 m
- Lac 1350330area0,3 km²avg depth2.0 m
- Lac 1350195area0,3 km²avg depth2.0 m
- Lac 1350350area0,3 km²avg depth1.8 m
- Lac 1350377area0,2 km²avg depth2.4 m
- Lac 1350387area0,2 km²avg depth2.2 m
- Lac 1350386area0,2 km²avg depth1.1 m
- Lac 1350438area0,2 km²avg depth1.7 m
- Lac 1350216area0,2 km²avg depth2.0 m
- Lac 1350282area0,2 km²avg depth1.1 m
- Lac 1350554area0,2 km²avg depth1.6 m
- Lac 1350229area0,2 km²avg depth1.0 m
- Lac 1350291area0,2 km²avg depth1.8 m
- Lac 1350256area0,1 km²avg depth0.8 m
- Lac 1350417area0,1 km²avg depth2.0 m
- Lac 1350357area0,1 km²avg depth1.1 m
- Lac 1350202area0,1 km²avg depth2.0 m
- Lac 1350395area0,1 km²avg depth1.1 m
- Lac 1350225area0,1 km²avg depth1.7 m
Rivers / streams (13, ord ≥ 4)
- Le Brivetord 3len here17.42 km58%total30 km
- Canal de la Boulaieord 1len here12.65 km69%total18 km
- Canal de Quillyord 3len here10.23 km69%total15 km
- Canal de Brécaord 2len here8.86 km100%total9 km
- Canal du Nordord 3len here8.70 km100%total9 km
- Canal de Martignéord 3len here6.04 km57%total11 km
- Canal de la Tailléeord 3len here6.03 km52%total12 km
- Curée Vinceord 3len here5.58 km100%total6 km
- Canal de Cinq Mètresord 2len here3.02 km100%total3 km
- Ruisseau de Ker Robertord 2len here2.60 km42%total6 km
- Curée de la Chalandièreord 3len here2.56 km100%total3 km
- Curée des Fougèresord 1len here2.18 km100%total2 km
1 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 47.37914, -2.25653
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.