HydroBASINS lev08 watershed · #4081072380
Bassin de แม่น้ำยม
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 6 administrative regions : Muang Phrae, Na Noi, Nong Muang Kai, Rong Kwang, Song +1
Sub-basin area
454,5km²
Upstream area
454,5km²
Discharge
2,03m³/s
Mean elev.
453m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
6 dept-equivalent regions (GADM L2)
- 406.8 km²89.8% of basin
- 22.9 km²5.1% of basin
- 15.3 km²3.4% of basin
- 3.7 km²0.8% of basin
- 3.6 km²0.8% of basin
- 0.8 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
465 distinct species · 924 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 แม่น้ำยม : 31 espèces reliées par 50 interactions GloBI sur 5 types (connectance 6.4%, filtre Serrano α=0.2). 9 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°
24,9°C
Annual rain
1 186mm
Moisture idx (CMI)
-0,31
Runoff
155mm/an
PET
1 725mm
AET
962mm
Mean slope
8,9°
Water table
395cm
Forest
40%
Crops
13%
Urban
5%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)