HydroLAKES lake · #279
Gras
Surface area
699,94km²
Avg depth
9,6m
Volume
6 700km³
Shoreline
1 209,4km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Fort SmithNorthwest Territories · Canada704.48 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
149 distinct species · 1 476 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Gras : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 121 interactions GloBI sur 3 types (connectance 16.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Lake statistics (HydroLAKES)
Surface
699,94km²
Avg depth
9,6m
Volume
6 700,000km³
Watershed
3 215km²
Shoreline
1 209,4km
Shore dev. idx
12,90
Residence time
4 788days
Elevation
404m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.