HydroBASINS lev08 watershed · #1081642740
Bassin de Krom
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 : Namakwa
Sub-basin area
468,1km²
Upstream area
4 478,8km²
Discharge
8,23m³/s
Mean elev.
701m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de April se Rivier669 km²
- Bassin de Krom79 km²
1 dept-equivalent regions (GADM L2)
- 467.7 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
154 distinct species · 315 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 Krom : 13 espèces reliées par 11 interactions GloBI sur 2 types (connectance 10.5%, filtre Serrano α=0.2). 2 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°
17,8°C
Annual rain
189mm
Moisture idx (CMI)
-0,88
Runoff
30mm/an
PET
1 645mm
AET
159mm
Mean slope
4,0°
Water table
834cm
Forest
9%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)