HydroBASINS lev08 watershed · #4080466200
Bassin de 拒马河
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 : Baoding, Beijing, Zhangjiakou
Sub-basin area
899,9km²
Upstream area
900km²
Discharge
0,5m³/s
Mean elev.
1 164m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 602.1 km²66.8% of basin
- 265.6 km²29.5% of basin
- BeijingBeijing · China33.1 km²3.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
391 distinct species · 612 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 拒马河 : 33 espèces reliées par 44 interactions GloBI sur 5 types (connectance 5.4%, filtre Serrano α=0.2). 8 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°
6,0°C
Annual rain
512mm
Moisture idx (CMI)
-0,43
Runoff
19mm/an
PET
916mm
AET
441mm
Mean slope
20,0°
Water table
694cm
Forest
94%
Crops
14%
Urban
2%
Protected
10%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)