Ontologia

HydroBASINS lev08 watershed · #4081123600

Bassin de ទន្លេសាន

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 : Ou Chum, Ta Veaeng, Veun Sai

Pfafstetter: 44240415

Sub-basin area

711km²

Upstream area

15 781,1km²

Discharge

576m³/s

Mean elev.

218m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de ទន្លេសាន1391 km²

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

  • NorthEast Corridor

    IUCN VI

    Biodiversity Corridor of Protected Area

    358.26 km² overlap

  • Virajay

    IUCN II

    National Park

    81.26 km² overlap

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

100 distinct species · 163 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

163 obs · 10 cellules
Obs. / cellule
≥ 54
54–53
23–53
13–22
< 13

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de ទន្លេសាន : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 4.4%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
29
Connectance
0.043
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

25,7°C

Annual rain

2 504mm

Moisture idx (CMI)

0,35

Runoff

1 169mm/an

PET

1 625mm

AET

1 099mm

Mean slope

6,0°

Water table

230cm

Forest

35%

Crops

8%

Urban

0%

Protected

11%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)