HydroBASINS lev08 watershed · #1081311260
Bassin de Dande
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 : Dande, Dembos, Nambuangongo
Sub-basin area
2 443,1km²
Upstream area
8 905,1km²
Discharge
80,08m³/s
Mean elev.
391m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dande1172 km²
- Bassin de Dande1025 km²
3 dept-equivalent regions (GADM L2)
- 1146.9 km²47.1% of basin
- 732.3 km²30.1% of basin
- 553.7 km²22.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
369 distinct species · 2 509 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Dande : 30 espèces reliées par 42 interactions GloBI sur 3 types (connectance 4.9%, filtre Serrano α=0.2). 12 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°
25,1°C
Annual rain
708mm
Moisture idx (CMI)
-0,54
Runoff
120mm/an
PET
1 553mm
AET
600mm
Mean slope
6,3°
Water table
436cm
Forest
82%
Crops
1%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)