HydroBASINS lev08 watershed · #4080218940
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 2 administrative regions : Daqing, Qiqihar
Sub-basin area
576,2km²
Upstream area
162 959,5km²
Discharge
595,75m³/s
Mean elev.
139m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 托力河229 km²
- Bassin de 西开江10 km²
2 dept-equivalent regions (GADM L2)
- Qiqihar409.7 km²70.9% of basin
- 168.0 km²29.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 632 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 : 13 espèces reliées par 14 interactions GloBI sur 1 type (connectance 15.4%, filtre Serrano α=0.2). 1 bulle taxonomique (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°
4,3°C
Annual rain
407mm
Moisture idx (CMI)
-0,50
Runoff
45mm/an
PET
816mm
AET
357mm
Mean slope
0,4°
Water table
14cm
Forest
0%
Crops
33%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)