HydroBASINS lev08 watershed · #4080004880
Bassin de 학성천
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 : Asan, Dangjin
Sub-basin area
19,9km²
Upstream area
19,9km²
Discharge
0,42m³/s
Mean elev.
22m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 19.8 km²99.8% of basin
- 0.0 km²0.2% of basin
2 intersecting protected areas
Sapkyo Reservoir
IUCN VIFishery Resource Conservation Area
1.83 km² overlap
Natural Environment Conservation Areas
1.83 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
264 distinct species · 3 131 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 학성천 : 20 espèces reliées par 60 interactions GloBI sur 2 types (connectance 15.9%, filtre Serrano α=0.2). 8 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°
11,8°C
Annual rain
1 215mm
Moisture idx (CMI)
0,14
Runoff
663mm/an
PET
1 048mm
AET
935mm
Mean slope
2,2°
Water table
123cm
Forest
1%
Crops
48%
Urban
43%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)