HydroBASINS lev08 watershed · #4080128160
Bassin de 嫩江
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 : Daxing'anling, Heihe, Hulunbuir
Sub-basin area
2 323,6km²
Upstream area
6 996,6km²
Discharge
22,12m³/s
Mean elev.
419m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 罕诺河1372 km²
- Bassin de 嫩江107 km²
3 dept-equivalent regions (GADM L2)
- 1242.1 km²53.3% of basin
- Heihe607.1 km²26.0% of basin
- 482.9 km²20.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
5 distinct species · 16 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 嫩江 : 5 espèces reliées par 3 interactions GloBI sur 3 types (connectance 30.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-2,4°C
Annual rain
507mm
Moisture idx (CMI)
-0,28
Runoff
92mm/an
PET
707mm
AET
438mm
Mean slope
2,3°
Water table
54cm
Forest
62%
Crops
10%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)