HydroBASINS lev08 watershed · #4080004500
Bassin de 영산강
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 3 administrative regions : Hampyeong, Muan, Naju
Sub-basin area
28,3km²
Upstream area
2 861,4km²
Discharge
58,03m³/s
Mean elev.
39m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de 함평천191 km²
- Bassin de 영산강19 km²
3 dept-equivalent regions (GADM L2)
- 18.5 km²65.5% of basin
- 9.3 km²32.8% of basin
- Hampyeong0.5 km²1.8% of basin
3 intersecting protected areas
Natural Environment Conservation Areas
3.16 km² overlap
Youngsan Reservoir
IUCN VIFishery Resource Conservation Area
2.27 km² overlap
Seongam
IUCN VIWater Source Protection Area
1.50 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
142 distinct species · 205 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 영산강 : 21 espèces reliées par 55 interactions GloBI sur 4 types (connectance 12.6%, 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°
13,9°C
Annual rain
1 197mm
Moisture idx (CMI)
0,14
Runoff
627mm/an
PET
1 030mm
AET
947mm
Mean slope
5,7°
Water table
239cm
Forest
0%
Crops
61%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)