HydroBASINS lev08 watershed · #1080743680
Bassin de Ngadda
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 3 administrative regions : Jere, Konduga, Maiduguri
Sub-basin area
16,4km²
Upstream area
4 776km²
Discharge
11,15m³/s
Mean elev.
330m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Ngadda1555 km²
- Bassin de Ngadda563 km²
3 dept-equivalent regions (GADM L2)
- 12.2 km²74.6% of basin
- 3.9 km²23.7% of basin
- 0.3 km²1.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
256 distinct species · 17 086 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Ngadda : 22 espèces reliées par 37 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 11 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°
25,8°C
Annual rain
621mm
Moisture idx (CMI)
-0,69
Runoff
68mm/an
PET
2 014mm
AET
523mm
Mean slope
0,5°
Water table
56cm
Forest
0%
Crops
16%
Urban
100%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)