HydroBASINS lev08 watershed · #1081618910
Bassin de Fish River
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 2 administrative regions : Berseba, Karas
Sub-basin area
616,6km²
Upstream area
64 023,3km²
Discharge
15,69m³/s
Mean elev.
566m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kanebis1189 km²
- Bassin de Fish River458 km²
2 dept-equivalent regions (GADM L2)
- 349.4 km²56.8% of basin
- 266.3 km²43.2% of basin
2 intersecting protected areas
Ai-Ais Hot Springs
IUCN IINational Park
214.92 km² overlap
Gondwana
IUCN Not ReportedPrivate Reserve
65.68 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
437 distinct species · 3 370 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 Bassin de Fish River : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 3 types (connectance 5.4%, filtre Serrano α=0.2). 5 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°
19,4°C
Annual rain
72mm
Moisture idx (CMI)
-0,96
Runoff
12mm/an
PET
1 641mm
AET
59mm
Mean slope
7,8°
Water table
1 083cm
Forest
0%
Crops
0%
Urban
0%
Protected
46%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)