HydroBASINS lev08 watershed · #5080018040

Bassin de Sungai Serupai

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 : Mukah, Selangau, Tatau

Coastal basinPfafstetter: 52171050

Sub-basin area

385,5km²

Upstream area

385,5km²

Discharge

5,63m³/s

Mean elev.

18m

Administrative coverage

3 dept-equivalent regions (GADM L2)

Mukah
Sarawak · Malaysia
231.7 km²
60.4% of basin
Tatau
Sarawak · Malaysia
118.0 km²
30.7% of basin
Selangau
Sarawak · Malaysia
27.1 km²
7.1% of basin

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

Species present

17 distinct species · 115 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°

26,6°C

Annual rain

3 710mm

Moisture idx (CMI)

0,58

Runoff

2 336mm/an

PET

1 556mm

AET

1 556mm

Mean slope

0,6°

Water table

15cm

Forest

87%

Crops

Urban

Protected

36%

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