HydroBASINS lev08 watershed · #1081584910
Bassin de Tsauchab
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 1 administrative regions : Gibeon
Sub-basin area
387,8km²
Upstream area
3 713,9km²
Discharge
0,39m³/s
Mean elev.
729m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Aub1057 km²
- Bassin de Tsauchab482 km²
2 intersecting protected areas
Namib Sand Sea
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
386.92 km² overlap
Namib-Naukluft
IUCN IINational Park
386.92 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
263 distinct species · 2 345 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Bassin de Tsauchab : 35 espèces reliées par 38 interactions GloBI sur 3 types (connectance 4.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
17,0°C
Annual rain
60mm
Moisture idx (CMI)
-0,96
Runoff
3mm/an
PET
1 431mm
AET
51mm
Mean slope
6,3°
Water table
1 024cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)