HydroBASINS lev08 watershed · #4080154710
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 : Heihe, Hulunbuir
Sub-basin area
393,2km²
Upstream area
41 359,4km²
Discharge
151,53m³/s
Mean elev.
268m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 科洛河1335 km²
- Bassin de 嫩江483 km²
2 dept-equivalent regions (GADM L2)
- Heihe261.4 km²66.3% of basin
- 133.1 km²33.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
80 distinct species · 161 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 : 23 espèces reliées par 21 interactions GloBI sur 4 types (connectance 7.0%, filtre Serrano α=0.2). 2 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°
0,1°C
Annual rain
491mm
Moisture idx (CMI)
-0,36
Runoff
110mm/an
PET
773mm
AET
426mm
Mean slope
1,3°
Water table
21cm
Forest
14%
Crops
69%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)