HydroBASINS lev08 watershed · #4080017930
Bassin de แม่น้ำตราด
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 10 administrative regions across 2 countries : Bo Rai, Khao Saming, Khlung, Laem Ngop, Makham +5
Sub-basin area
1 682,5km²
Upstream area
1 682,5km²
Discharge
121,58m³/s
Mean elev.
105m
Administrative coverage
10 dept-equivalent regions (GADM L2)
- 717.5 km²42.8% of basin
- 361.1 km²21.5% of basin
- 331.8 km²19.8% of basin
- 211.5 km²12.6% of basin
- 22.4 km²1.3% of basin
- Samlout16.6 km²1.0% of basin
- Pailin5.9 km²0.4% of basin
- 5.3 km²0.3% of basin
2 moreFull L2 list
- Pong Nam Ron0.9 km² · 0.1%
- Makham0.0 km² · 0.0%
5 intersecting protected areas
Namtok Klong Kaew
IUCN IINational Park
193.92 km² overlap
Wildlife Sanctuary
65.11 km² overlap
Phnom Somkos
IUCN IVWildlife Sanctuary
13.88 km² overlap
Samlout
IUCN VIMultiple Use Area
12.99 km² overlap
Cardamom Corridor
IUCN VIBiodiversity Corridor of Protected Area
1.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
824 distinct species · 3 554 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 แม่น้ำตราด : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 3 types (connectance 5.3%, filtre Serrano α=0.2). 5 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°
26,6°C
Annual rain
2 435mm
Moisture idx (CMI)
0,33
Runoff
1 864mm/an
PET
1 584mm
AET
1 227mm
Mean slope
4,7°
Water table
146cm
Forest
22%
Crops
28%
Urban
1%
Protected
17%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)