HydroBASINS lev08 watershed · #4081081120
Bassin de ห้วยจ้าเอก
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 : K. Prachak Silapakhom, Muang Udon Thani, Nong Han, Phen, Phibun Rak +1
Sub-basin area
643,2km²
Upstream area
643,2km²
Discharge
11,82m³/s
Mean elev.
182m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 468.2 km²73.0% of basin
- 98.8 km²15.4% of basin
- Thung Fon39.3 km²6.1% of basin
- 18.6 km²2.9% of basin
- 15.6 km²2.4% of basin
- Phen0.7 km²0.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
487 distinct species · 1 004 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 ห้วยจ้าเอก : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 4 types (connectance 6.7%, 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°
26,4°C
Annual rain
1 578mm
Moisture idx (CMI)
-0,03
Runoff
603mm/an
PET
1 631mm
AET
1 035mm
Mean slope
0,7°
Water table
37cm
Forest
0%
Crops
49%
Urban
3%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)