HydroBASINS lev08 watershed · #1081293960
Bassin de Great Ruaha
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 : Kilolo, Kilosa
Sub-basin area
768,1km²
Upstream area
80 311,7km²
Discharge
115,26m³/s
Mean elev.
1 113m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Great Ruaha180 km²
- Bassin de Ruipa100 km²
2 dept-equivalent regions (GADM L2)
- 407.6 km²53.3% of basin
- 357.3 km²46.7% of basin
3 intersecting protected areas
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
734 distinct species · 2 334 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 Great Ruaha : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 4 types (connectance 4.6%, 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°
21,0°C
Annual rain
1 178mm
Moisture idx (CMI)
-0,20
Runoff
195mm/an
PET
1 482mm
AET
884mm
Mean slope
14,0°
Water table
610cm
Forest
26%
Crops
5%
Urban
0%
Protected
43%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)