HydroBASINS lev08 watershed · #4081138170
Bassin de ស្ទឹងសែន
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 8 administrative regions : Kampong Leaeng, Kampong Svay, Prasat Ballangk, Prasat Sambour, Rovieng +3
Sub-basin area
2 441km²
Upstream area
2 441km²
Discharge
39,02m³/s
Mean elev.
25m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
8 dept-equivalent regions (GADM L2)
- 1033.9 km²42.5% of basin
- 561.4 km²23.1% of basin
- 358.3 km²14.7% of basin
- 201.5 km²8.3% of basin
- 134.1 km²5.5% of basin
- 132.3 km²5.4% of basin
- Tonlé Sap5.9 km²0.2% of basin
- 4.4 km²0.2% of basin
5 intersecting protected areas
Boeng Paer
IUCN IVWildlife Sanctuary
315.50 km² overlap
Tonle Sap
IUCN VIMultiple Use Area
146.44 km² overlap
North Tonle Sap
IUCN VProtected Landscape
26.92 km² overlap
Multiple Use Area
7.87 km² overlap
Wetland of International Importance (Ramsar Site)
7.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
364 distinct species · 2 029 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 ស្ទឹងសែន : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 5.3%, filtre Serrano α=0.2). 7 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°
27,5°C
Annual rain
1 478mm
Moisture idx (CMI)
-0,09
Runoff
563mm/an
PET
1 623mm
AET
1 058mm
Mean slope
0,2°
Water table
17cm
Forest
31%
Crops
24%
Urban
0%
Protected
21%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)