HydroBASINS lev08 watershed · #1081292230
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 1 administrative regions : Iringa Rural
Sub-basin area
474,8km²
Upstream area
26 865,7km²
Discharge
62,62m³/s
Mean elev.
899m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Mwagusi river961 km²
- Bassin de Great Ruaha897 km²
1 dept-equivalent regions (GADM L2)
- 472.8 km²100.0% of basin
2 intersecting protected areas
Ruaha National Park
IUCN IINational Park
403.91 km² overlap
Pawaga-Idodi WMA
IUCN Not ReportedWildlife Management Area
46.53 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
113 distinct species · 191 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 3 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°
22,9°C
Annual rain
567mm
Moisture idx (CMI)
-0,67
Runoff
32mm/an
PET
1 701mm
AET
478mm
Mean slope
2,3°
Water table
481cm
Forest
0%
Crops
2%
Urban
0%
Protected
97%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)