Ontologia

HydroBASINS lev08 watershed · #4081027490

Bassin de Sông Mã

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 2 administrative regions : Mai Sơn, Sông Mã

Pfafstetter: 44102095

Sub-basin area

169,2km²

Upstream area

4 628,8km²

Discharge

89,16m³/s

Mean elev.

683m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

2 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 obs · 2 cellules
Obs. / cellule
≥ 9
9–8
9–8
9–8
< 9

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydroclimate (BasinATLAS lev08)

Mean T°

21,3°C

Annual rain

1 520mm

Moisture idx (CMI)

0,06

Runoff

545mm/an

PET

1 426mm

AET

989mm

Mean slope

16,5°

Water table

552cm

Forest

0%

Crops

2%

Urban

4%

Protected

36%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)