HydroBASINS lev08 watershed · #5080167200
Bassin de Sungai Ayu
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 : Balangan, Paser, Tabalong
Sub-basin area
1 080,2km²
Upstream area
1 080,2km²
Discharge
33,31m³/s
Mean elev.
199m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 1057.2 km²98.3% of basin
- 15.0 km²1.4% of basin
- 3.2 km²0.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
730 distinct species · 1 861 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
25,5°C
Annual rain
2 642mm
Moisture idx (CMI)
0,44
Runoff
991mm/an
PET
1 465mm
AET
1 433mm
Mean slope
7,0°
Water table
211cm
Forest
35%
Crops
35%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)