HydroBASINS lev08 watershed · #1081308080
Bassin de Songwe 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 5 administrative regions : Chunya, Lake Rukwa, Mbeya Rural, Mbozi, Songwe
Sub-basin area
1 212,9km²
Upstream area
11 591,3km²
Discharge
73,43m³/s
Mean elev.
1 034m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin · #10813099704445 km²
- Bassin de Songwe River2686 km²
5 dept-equivalent regions (GADM L2)
- 714.7 km²59.2% of basin
- 308.1 km²25.5% of basin
- 96.7 km²8.0% of basin
- Lake RukwaSongwe · Tanzania86.2 km²7.1% of basin
- 2.1 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
59 distinct species · 128 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 8 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 Songwe River : 7 espèces reliées par 5 interactions GloBI sur 2 types (connectance 17.9%, filtre Serrano α=0.2). 1 bulle taxonomique (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
1 171mm
Moisture idx (CMI)
-0,31
Runoff
269mm/an
PET
1 705mm
AET
931mm
Mean slope
3,4°
Water table
228cm
Forest
1%
Crops
2%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)