HydroBASINS lev08 watershed · #4080460860
Bassin de 滦河
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 3 administrative regions : Chengde, Qinhuangdao, Tangshan
Sub-basin area
2 068,2km²
Upstream area
38 441,7km²
Discharge
78,66m³/s
Mean elev.
273m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 洒河1126 km²
- Bassin de 滦河328 km²
3 dept-equivalent regions (GADM L2)
- 1477.2 km²71.3% of basin
- 449.2 km²21.7% of basin
- 144.1 km²7.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
495 distinct species · 767 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 滦河 : 22 espèces reliées par 20 interactions GloBI sur 4 types (connectance 6.7%, 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°
9,5°C
Annual rain
658mm
Moisture idx (CMI)
-0,35
Runoff
115mm/an
PET
1 008mm
AET
562mm
Mean slope
8,0°
Water table
378cm
Forest
34%
Crops
25%
Urban
29%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)