HydroBASINS lev08 watershed · #4081131430
Bassin de ស្ទឹងសៀមរាប
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 : Aek Phnum, Angkor Chum, Angkor Thum, Prasat Bakong, Puok +3
Sub-basin area
1 684,7km²
Upstream area
1 684,9km²
Discharge
30,86m³/s
Mean elev.
26m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
9 dept-equivalent regions (GADM L2)
- 585.5 km²34.9% of basin
- 408.1 km²24.3% of basin
- 306.2 km²18.2% of basin
- 190.6 km²11.4% of basin
- 88.0 km²5.2% of basin
- 61.4 km²3.7% of basin
- Tonlé Sap20.7 km²1.2% of basin
- 12.9 km²0.8% of basin
1 moreFull L2 list
- Aek Phnum4.9 km² · 0.3%
3 intersecting protected areas
Tonle Sap
IUCN VIMultiple Use Area
160.19 km² overlap
Angkor
IUCN VProtected Landscape
97.80 km² overlap
NorthWest Corridor
IUCN VIBiodiversity Corridor of Protected Area
3.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 618 distinct species · 131 848 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 ស្ទឹងសៀមរាប : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 4.4%, 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°
27,2°C
Annual rain
1 293mm
Moisture idx (CMI)
-0,22
Runoff
605mm/an
PET
1 654mm
AET
994mm
Mean slope
0,3°
Water table
23cm
Forest
10%
Crops
36%
Urban
9%
Protected
15%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)