HydroLAKES lake · #184717
Upper Steenbras Dam
Surface area
1,76km²
Avg depth
30,6m
Volume
53,9km³
Shoreline
12km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- City of Cape TownWestern Cape · South Africa1.76 km²100.0% of lake
2 intersecting protected areas
Hottentots-Holland Mountain Catchment Area
IUCN Not ReportedMountain Catchment Area
1.76 km² overlap
Steenbras Nature Reserve
IUCN Not ReportedNature Reserve
1.76 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 296 distinct species · 9 248 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Upper Steenbras Dam : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 5 types (connectance 6.3%, filtre Serrano α=0.2). 12 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
1,76km²
Avg depth
30,6m
Volume
53,900km³
Watershed
34km²
Shoreline
12,0km
Shore dev. idx
2,54
Residence time
1 268days
Elevation
366m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.