HydroBASINS lev08 watershed · #4081120980
Bassin de แม่น้ำเจ้าพระยา
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 : Bang Ban, Bang Pa-In, Bang Pahan, Bang Sai, Khlong Luang +5
Sub-basin area
733,4km²
Upstream area
19 587,7km²
Discharge
236,37m³/s
Mean elev.
5m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de แม่น้ำป่าสัก2712 km²
- Bassin de คลองส่งน้ำ 21 ขวา2432 km²
10 dept-equivalent regions (GADM L2)
- Bang Pa-InPhra Nakhon Si Ayutthaya · Thailand224.3 km²30.7% of basin
- UthaiPhra Nakhon Si Ayutthaya · Thailand158.9 km²21.7% of basin
- Wang NoiPhra Nakhon Si Ayutthaya · Thailand121.4 km²16.6% of basin
- 80.0 km²11.0% of basin
- Phra Nakhon Si AyutthayaPhra Nakhon Si Ayutthaya · Thailand76.8 km²10.5% of basin
- PhachiPhra Nakhon Si Ayutthaya · Thailand32.9 km²4.5% of basin
- 22.2 km²3.0% of basin
- 9.6 km²1.3% of basin
2 moreFull L2 list
- Nakhon Luang3.6 km² · 0.5%
- Bang Pahan1.1 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
648 distinct species · 25 724 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 แม่น้ำเจ้าพระยา : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 7.3%, 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°
28,1°C
Annual rain
1 396mm
Moisture idx (CMI)
-0,18
Runoff
481mm/an
PET
1 705mm
AET
1 059mm
Mean slope
0,0°
Water table
4cm
Forest
1%
Crops
60%
Urban
36%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)