HydroLAKES lake · #159169
Gravlången
Surface area
2,84km²
Avg depth
8,5m
Volume
24,27km³
Shoreline
22,1km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- TrollhättanVästra Götaland · Sweden2.54 km²88.9% of lake
- Lilla EdetVästra Götaland · Sweden0.32 km²11.1% of lake
1 intersecting protected areas
2042869 Ålstadnäset
IUCN IaNature Reserve
0.05 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 427 distinct species · 11 537 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Gravlången : 26 espèces reliées par 108 interactions GloBI sur 6 types (connectance 12.0%, filtre Serrano α=0.2). 17 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
2,84km²
Avg depth
8,5m
Volume
24,270km³
Watershed
31km²
Shoreline
22,1km
Shore dev. idx
3,70
Residence time
608days
Elevation
47m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.