HydroBASINS lev08 watershed · #1081259110
Bassin de Mnyamasi
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 : Mlele, Mpanda Rural
Sub-basin area
2 346,1km²
Upstream area
2 346,3km²
Discharge
6,42m³/s
Mean elev.
1 292m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1971.7 km²84.4% of basin
- 364.3 km²15.6% of basin
4 intersecting protected areas
Ugalla Niensi O.A.
IUCN Not ReportedOpen area
1013.08 km² overlap
Mpanda North East
IUCN Not ReportedForest Reserve
426.35 km² overlap
Tongwe East
IUCN Not ReportedForest Reserve
417.61 km² overlap
Malagarasi-Muyovozi Wetlands
IUCN Not ReportedWetland of International Importance (Ramsar Site)
263.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
236 distinct species · 492 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Mnyamasi : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 3 types (connectance 5.4%, 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°
22,6°C
Annual rain
1 091mm
Moisture idx (CMI)
-0,34
Runoff
85mm/an
PET
1 666mm
AET
919mm
Mean slope
3,1°
Water table
308cm
Forest
92%
Crops
12%
Urban
0%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)