HydroBASINS lev08 watershed · #4080656020
Bassin de 黄河故道
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 5 administrative regions : Heze, Shangqiu, Suqian, Suzhou, Xuzhou
Sub-basin area
3 131,5km²
Upstream area
4 364,1km²
Discharge
17,16m³/s
Mean elev.
40m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 兰考干渠781 km²
- Bassin · #4080628550452 km²
5 dept-equivalent regions (GADM L2)
- 1657.4 km²52.9% of basin
- 704.1 km²22.5% of basin
- 399.0 km²12.7% of basin
- 188.9 km²6.0% of basin
- 181.2 km²5.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
418 distinct species · 1 556 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 黄河故道 : 27 espèces reliées par 43 interactions GloBI sur 3 types (connectance 7.7%, filtre Serrano α=0.2). 7 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°
14,7°C
Annual rain
735mm
Moisture idx (CMI)
-0,35
Runoff
148mm/an
PET
1 137mm
AET
624mm
Mean slope
0,4°
Water table
36cm
Forest
13%
Crops
61%
Urban
20%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)