Wetland of International Importance (Ramsar Site) · fra
Grande Briere
- Area
- 174 km²
- IUCN cat.
- Not Reported
- Year
- 1995
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- Established
- 1995
- Managing authority
- Not Reported
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 552 distinct species · 109 479 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Briere : 24 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 79 interactions GloBI sur 5 types (connectance 10.7%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 34 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
74,2km
Lake surface here
38,13km²
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 (34, 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 1350500area0,6 km²avg depth1.7 m
- Lac 1350276area0,6 km²avg depth2.1 m
25 more lakes
- Lac 1350416area0,6 km²avg depth1.5 m
- Lac 1350191area0,6 km²avg depth3.1 m
- Lac 1350299area0,5 km²avg depth2.2 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 1350417area0,1 km²avg depth2.0 m
- Lac 1350256area0,1 km²avg depth0.8 m
- Lac 1350357area0,1 km²avg depth1.1 m
- Lac 1350395area0,1 km²avg depth1.1 m
- Lac 1350225area0,1 km²avg depth1.7 m
Rivers / streams (12, ord ≥ 4)
- Le Brivetord 3len here12.65 km42%total30 km
- Canal de la Boulaieord 1len here12.17 km66%total18 km
- Canal de Martignéord 3len here9.88 km94%total11 km
- Canal de Brécaord 2len here8.86 km100%total9 km
- Canal du Nordord 3len here8.70 km100%total9 km
- Curée Vinceord 3len here5.58 km100%total6 km
- Canal de la Tailléeord 3len here4.86 km42%total12 km
- Canal de Cinq Mètresord 2len here3.02 km100%total3 km
- Curée de la Chalandièreord 3len here2.56 km100%total3 km
- Ruisseau de Ker Robertord 2len here2.23 km36%total6 km
- Curée des Fougèresord 1len here2.18 km100%total2 km
- Canal de Trignacord 3len here1.53 km27%total6 km
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
- 47.38087, -2.25053
- 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.