HydroBASINS lev08 watershed · #4080454750
Bassin de 青龙河
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 : Qinhuangdao, Tangshan
Sub-basin area
934,6km²
Upstream area
5 168,5km²
Discharge
21,32m³/s
Mean elev.
272m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 青龙河691 km²
- Bassin de 青龙河124 km²
2 dept-equivalent regions (GADM L2)
- 878.1 km²93.8% of basin
- 57.6 km²6.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
638 distinct species · 1 331 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 青龙河 : 35 espèces reliées par 38 interactions GloBI sur 3 types (connectance 5.1%, filtre Serrano α=0.2). 4 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°
9,3°C
Annual rain
695mm
Moisture idx (CMI)
-0,30
Runoff
124mm/an
PET
993mm
AET
593mm
Mean slope
10,6°
Water table
447cm
Forest
41%
Crops
20%
Urban
14%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)