HydroBASINS lev08 watershed · #4080429450
Bassin de 大黑河
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 : Hohhot, Ulaan Chab
Sub-basin area
1 649km²
Upstream area
4 496,9km²
Discharge
4,4m³/s
Mean elev.
1 501m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 大黑河1470 km²
- Bassin de 大黑河1378 km²
2 dept-equivalent regions (GADM L2)
- 1130.7 km²68.5% of basin
- Hohhot520.3 km²31.5% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
160 distinct species · 229 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 大黑河 : 35 espèces reliées par 40 interactions GloBI sur 6 types (connectance 5.7%, filtre Serrano α=0.2). 3 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°
3,9°C
Annual rain
380mm
Moisture idx (CMI)
-0,57
Runoff
31mm/an
PET
880mm
AET
333mm
Mean slope
8,5°
Water table
210cm
Forest
12%
Crops
52%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)