HydroBASINS lev08 watershed · #1081210700
Bassin de Athi-Galana-Sabaki 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 3 administrative regions : Kibwezi East, Kitui South, Voi
Sub-basin area
129,1km²
Upstream area
31 702,2km²
Discharge
90,75m³/s
Mean elev.
456m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tsavo River1069 km²
- Bassin de Athi-Galana-Sabaki river384 km²
3 dept-equivalent regions (GADM L2)
- 88.1 km²68.6% of basin
- 40.4 km²31.4% of basin
- Kibwezi EastMakueni · Kenya0.1 km²0.0% of basin
2 intersecting protected areas
Tsavo East
IUCN IINational Park
128.47 km² overlap
Tsavo West
IUCN IINational Park
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
108 distinct species · 178 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Athi-Galana-Sabaki river : 25 espèces dont 6 patrimoniales (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 4 types (connectance 6.7%, 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°
25,3°C
Annual rain
939mm
Moisture idx (CMI)
-0,47
Runoff
60mm/an
PET
1 777mm
AET
793mm
Mean slope
3,1°
Water table
363cm
Forest
0%
Crops
19%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)