HydroBASINS lev08 watershed · #1080010030
Bassin de Rovuma
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 across 2 countries : Mtwara Rural, Palma
Sub-basin area
1 384,2km²
Upstream area
155 316,4km²
Discharge
2 286,02m³/s
Mean elev.
98m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin · #10813475601066 km²
- Bassin de Rovuma507 km²
2 dept-equivalent regions (GADM L2)
- 864.5 km²62.7% of basin
- Palma514.2 km²37.3% of basin
2 intersecting protected areas
Mnazi Bay-Ruvuma Estuary
IUCN VIMarine Park
101.66 km² overlap
Mangrove
IUCN Not ReportedForest Reserve
2.65 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
367 distinct species · 882 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Rovuma : 37 espèces reliées par 31 interactions GloBI sur 3 types (connectance 4.0%, 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°
25,5°C
Annual rain
1 104mm
Moisture idx (CMI)
-0,34
Runoff
244mm/an
PET
1 665mm
AET
920mm
Mean slope
1,5°
Water table
130cm
Forest
89%
Crops
2%
Urban
0%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)