HydroBASINS lev08 watershed · #1081186260
Bassin de Southern Ewaso Ng'iro
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 : Kajiado West, Narok South
Sub-basin area
510,1km²
Upstream area
7 250,4km²
Discharge
20,77m³/s
Mean elev.
1 376m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Narosura River725 km²
- Bassin de Southern Ewaso Ng'iro290 km²
2 dept-equivalent regions (GADM L2)
- 261.4 km²51.5% of basin
- 246.4 km²48.5% of basin
1 intersecting protected areas
Loita
IUCN Not ReportedCommunity Forest Reserve
84.79 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
366 distinct species · 2 021 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 Southern Ewaso Ng'iro : 15 espèces reliées par 12 interactions GloBI sur 3 types (connectance 8.8%, 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°
21,1°C
Annual rain
650mm
Moisture idx (CMI)
-0,62
Runoff
88mm/an
PET
1 751mm
AET
549mm
Mean slope
8,2°
Water table
513cm
Forest
22%
Crops
6%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)