HydroBASINS lev08 watershed · #4081107950
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 : Khanu Woralaksaburi, Krok Phra, Lat Yao, Mae Wong, Manorom +5
Sub-basin area
1 056,7km²
Upstream area
111 529,7km²
Discharge
510,46m³/s
Mean elev.
49m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de แม่น้ำน่าน119 km²
- Bassin de แม่น้ำปิง1 km²
10 dept-equivalent regions (GADM L2)
- 265.5 km²25.2% of basin
- Krok Phra252.7 km²24.0% of basin
- Lat Yao247.7 km²23.5% of basin
- 235.1 km²22.3% of basin
- 32.2 km²3.1% of basin
- 7.8 km²0.7% of basin
- 4.7 km²0.5% of basin
- 3.9 km²0.4% of basin
2 moreFull L2 list
- Sawang Arom2.5 km² · 0.2%
- Thap Than0.8 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
551 distinct species · 5 235 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 10 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°
28,0°C
Annual rain
1 158mm
Moisture idx (CMI)
-0,34
Runoff
199mm/an
PET
1 765mm
AET
968mm
Mean slope
1,3°
Water table
79cm
Forest
2%
Crops
49%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)