HydroBASINS lev08 watershed · #5080030700
Bassin de Calauag River
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 5 administrative regions : Buenavista, Calauag, Catanauan, Guinayangan, Lopez
Sub-basin area
173,2km²
Upstream area
173,2km²
Discharge
11,59m³/s
Mean elev.
117m
Administrative coverage
5 dept-equivalent regions (GADM L2)
- 88.4 km²51.2% of basin
- 51.5 km²29.8% of basin
- 23.8 km²13.8% of basin
- Buenavista7.2 km²4.2% of basin
- 1.6 km²0.9% of basin
3 intersecting protected areas
Calauag Watershed Forest Reserve
IUCN Not AssignedWatershed Forest Reserve
2.83 km² overlap
Tibiang-Damagandong Watershed Forest Reserve
IUCN Not AssignedWatershed Forest Reserve
2.75 km² overlap
Lopez Watershed Forest Reserve
IUCN Not AssignedWatershed Forest Reserve
2.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
18 distinct species · 31 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°
26,5°C
Annual rain
2 585mm
Moisture idx (CMI)
0,43
Runoff
2 353mm/an
PET
1 480mm
AET
1 345mm
Mean slope
5,7°
Water table
228cm
Forest
12%
Crops
32%
Urban
10%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)