Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · FRA
Lac de grand lieu
- Area
- 28 km²
- IUCN cat.
- IV
- Year
- 2007
Overview
- Designation
- Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2007
- Managing authority
- Ministry in charge of Environment, and the national seaside conservatory. In march 2012, name, acronym and address as follows : Conservatoire du Littoral (CdL), 27 rue Blanche, 75009 PARIS France.
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 744 distinct species · 34 378 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Lac de grand lieu : 36 espèces + 1 bulle famille, 62 interactions GloBI documentées sur 2 types (connectance 9.3%, filtre Serrano α=0.2). Les 1 bulle regroupe 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 · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
8,5km
Lake surface here
14,87km²
Basins crossed
1
Max stream order
4
Max drainage
1 269km²
Discharge in basins
0,5m³/s
Mean precip.
797mm/an
Mean T°
11,7°C
Moisture idx
-0,02
Max snow
4%
Mean runoff
531mm/an
Mean elev. (basins)
33m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
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
- 47.09425, -1.69116
- 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.