HydroLAKES lake · #106883
Lake Helena
Surface area
7,66km²
Avg depth
7,9m
Volume
60,5km³
Shoreline
14km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Lewis and ClarkMontana · United States7.68 km²100.0% of lake
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
298 distinct species · 13 473 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Lake Helena : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 88 interactions GloBI sur 4 types (connectance 17.7%, filtre Serrano α=0.2). 10 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
7,66km²
Avg depth
7,9m
Volume
60,500km³
Watershed
1 624km²
Shoreline
14,0km
Shore dev. idx
1,43
Residence time
153days
Elevation
1 110m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.