HydroBASINS lev08 watershed · #4080006850
Bassin de 狗河
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 : Huludao, Qinhuangdao
Sub-basin area
1 932,4km²
Upstream area
1 932,4km²
Discharge
1,75m³/s
Mean elev.
152m
Species present
432 distinct species · 1 314 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 狗河 : 29 espèces reliées par 48 interactions GloBI sur 5 types (connectance 6.8%, filtre Serrano α=0.2). 9 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°
8,9°C
Annual rain
651mm
Moisture idx (CMI)
-0,31
Runoff
158mm/an
PET
949mm
AET
556mm
Mean slope
6,5°
Water table
279cm
Forest
41%
Crops
43%
Urban
17%
Protected
42%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)