HydroBASINS lev08 watershed · #1081426900
Bassin de Namichimba 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 8 administrative regions across 2 countries : Lake Chilwa, Mecanhelas, Milange, Mulanje Mountain Forest Reserve, SC Mkumbira +2
Sub-basin area
2 135,8km²
Upstream area
2 135,8km²
Discharge
37,66m³/s
Mean elev.
710m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- Milange1025.4 km²48.2% of basin
- 475.4 km²22.3% of basin
- 423.7 km²19.9% of basin
- 82.6 km²3.9% of basin
- 70.4 km²3.3% of basin
- 37.3 km²1.8% of basin
- 6.9 km²0.3% of basin
- 6.6 km²0.3% of basin
3 intersecting protected areas
Lake Chilwa
IUCN Not ReportedWetland of International Importance (Ramsar Site)
329.21 km² overlap
Michese
IUCN VIForest Reserve
64.62 km² overlap
Mulanje Mountain
IUCN VIForest Reserve
37.41 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
434 distinct species · 929 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Namichimba River : 30 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 4 types (connectance 5.0%, filtre Serrano α=0.2). 5 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°
22,4°C
Annual rain
1 586mm
Moisture idx (CMI)
-0,04
Runoff
612mm/an
PET
1 646mm
AET
1 122mm
Mean slope
2,2°
Water table
105cm
Forest
13%
Crops
9%
Urban
14%
Protected
5%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)