HydroBASINS lev08 watershed · #4081070660
Bassin de ลำน้ำแม่แจ่ม
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 : Chom Thong, Mae Chaem, Mae La Noi
Sub-basin area
792,1km²
Upstream area
2 724km²
Discharge
6,62m³/s
Mean elev.
905m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yod678 km²
- Bassin de ลำน้ำแม่แจ่ม335 km²
3 dept-equivalent regions (GADM L2)
- 785.0 km²99.4% of basin
- 2.5 km²0.3% of basin
- Mae La Noi2.1 km²0.3% of basin
2 intersecting protected areas
Doi Inthanon
IUCN IINational Park
59.30 km² overlap
Ob Luang
IUCN IINational Park
0.40 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 602 distinct species · 200 740 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 ลำน้ำแม่แจ่ม : 7 espèces reliées par 6 interactions GloBI sur 3 types (connectance 16.7%, filtre Serrano α=0.2). 2 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°
24,0°C
Annual rain
963mm
Moisture idx (CMI)
-0,43
Runoff
145mm/an
PET
1 681mm
AET
812mm
Mean slope
13,1°
Water table
610cm
Forest
42%
Crops
4%
Urban
2%
Protected
8%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)