HydroBASINS lev08 watershed · #4081056710
Bassin de แม่น้ำปาย
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 4 administrative regions across 2 countries : Loikaw, Loilen, Muang Mae Hong Son, Pai
Sub-basin area
1 031,9km²
Upstream area
4 607,5km²
Discharge
55,66m³/s
Mean elev.
680m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de น้ำลาง1211 km²
- Bassin de แม่น้ำปาย703 km²
4 dept-equivalent regions (GADM L2)
- 994.6 km²96.7% of basin
- 19.3 km²1.9% of basin
- 14.5 km²1.4% of basin
- 0.3 km²0.0% of basin
3 intersecting protected areas
Tham Pla - Pha Seu
IUCN IINational Park
443.15 km² overlap
Lum Nam Pai
IUCN IaWildlife Sanctuary
125.80 km² overlap
Namtok Mae Surin
IUCN IINational Park
108.44 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 156 distinct species · 5 148 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 แม่น้ำปาย : 33 espèces reliées par 36 interactions GloBI sur 3 types (connectance 4.4%, filtre Serrano α=0.2). 8 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°
24,3°C
Annual rain
1 124mm
Moisture idx (CMI)
-0,32
Runoff
457mm/an
PET
1 663mm
AET
927mm
Mean slope
15,2°
Water table
566cm
Forest
42%
Crops
4%
Urban
1%
Protected
66%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)