HydroBASINS lev08 watershed · #4080408260
Bassin de 허천강
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 6 administrative regions : Hyesan, Hŏch'ŏn, Kapsan, P'ungsŏ, Samsu +1
Sub-basin area
1 270,4km²
Upstream area
4 327,9km²
Discharge
29,21m³/s
Mean elev.
1 234m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 농귀강1598 km²
- Bassin de 황수원강1460 km²
6 dept-equivalent regions (GADM L2)
- 902.4 km²70.9% of basin
- 164.8 km²13.0% of basin
- 81.2 km²6.4% of basin
- 77.9 km²6.1% of basin
- 33.5 km²2.6% of basin
- 12.3 km²1.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
438 distinct species · 1 082 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 17 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 허천강 : 14 espèces reliées par 12 interactions GloBI sur 4 types (connectance 8.8%, 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°
1,5°C
Annual rain
803mm
Moisture idx (CMI)
0,06
Runoff
195mm/an
PET
748mm
AET
641mm
Mean slope
15,3°
Water table
403cm
Forest
94%
Crops
11%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)