HydroLAKES lake · #171822
Lac de l'Astarac
Surface area
1,36km²
Avg depth
7,4m
Volume
10km³
Shoreline
8,2km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- GersOccitanie · France1.36 km²100.0% of lake
2 communes (L5)For countries with L5
- Bézues-Bajon0.72 km²
- Aussos0.64 km²
1 intersecting protected areas
Vallée et coteaux de la Lauze
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
0.01 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
841 distinct species · 5 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 l'Astarac : 41 espèces + 4 bulles famille, 73 interactions GloBI documentées sur 4 types (connectance 7.4%, filtre Serrano α=0.2). Les 4 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).
Lake statistics (HydroLAKES)
Surface
1,36km²
Avg depth
7,4m
Volume
10,000km³
Watershed
48km²
Shoreline
8,2km
Shore dev. idx
1,98
Residence time
232days
Elevation
247m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.