HydroBASINS lev08 watershed · #4080426870
Bassin de 충만강
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 10 administrative regions : Byokdong, Ch'osan, Chŏnch'ŏn, Hŭich'ŏn, Kop'ung +5
Sub-basin area
2 362,4km²
Upstream area
2 362,4km²
Discharge
45,48m³/s
Mean elev.
628m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
10 dept-equivalent regions (GADM L2)
- 932.3 km²39.4% of basin
- 730.4 km²30.9% of basin
- 315.5 km²13.3% of basin
- 148.7 km²6.3% of basin
- 133.6 km²5.6% of basin
- 69.9 km²3.0% of basin
- 22.0 km²0.9% of basin
- Unsan5.0 km²0.2% of basin
2 moreFull L2 list
- Tongch'ang4.7 km² · 0.2%
- Byokdong3.0 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
7 distinct species · 46 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 충만강 : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
5,3°C
Annual rain
1 096mm
Moisture idx (CMI)
0,21
Runoff
587mm/an
PET
864mm
AET
776mm
Mean slope
18,3°
Water table
435cm
Forest
97%
Crops
6%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)