HydroBASINS lev08 watershed · #4080003190
Bassin de 남대천
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 9 administrative regions : Dachon, Doksong, Hongwŏn, Kimhyŏnggwŏn, Kŭmho +4
Sub-basin area
1 944,2km²
Upstream area
1 944,3km²
Discharge
14,57m³/s
Mean elev.
680m
Administrative coverage
9 dept-equivalent regions (GADM L2)
- 1445.5 km²74.3% of basin
- 390.7 km²20.1% of basin
- 33.8 km²1.7% of basin
- 27.4 km²1.4% of basin
- 18.0 km²0.9% of basin
- 13.0 km²0.7% of basin
- 9.8 km²0.5% of basin
- 7.7 km²0.4% of basin
1 moreFull L2 list
- Kŭmho0.7 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
257 distinct species · 344 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 남대천 : 16 espèces reliées par 21 interactions GloBI sur 3 types (connectance 11.1%, 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°
5,2°C
Annual rain
856mm
Moisture idx (CMI)
0,03
Runoff
266mm/an
PET
822mm
AET
690mm
Mean slope
16,1°
Water table
408cm
Forest
80%
Crops
12%
Urban
7%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)