HydroLAKES lake · #112569
Hetch Hetchy Reservoir
Surface area
6,78km²
Avg depth
65,5m
Volume
444,1km³
Shoreline
26,3km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- TuolumneCalifornia · United States6.78 km²100.0% of lake
3 intersecting protected areas
Yosemite National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
6.78 km² overlap
Yosemite
IUCN IINational Park
4.54 km² overlap
Yosemite
IUCN IbWilderness Area
0.11 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
326 distinct species · 958 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 51 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 Hetch Hetchy Reservoir : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 5 types (connectance 8.7%, 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
6,78km²
Avg depth
65,5m
Volume
444,100km³
Watershed
1 181km²
Shoreline
26,3km
Shore dev. idx
2,85
Residence time
408days
Elevation
1 150m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.