HydroBASINS lev08 watershed · #5080116080
Bassin de Pampanga 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 8 administrative regions : Angeles City, Arayat, Cabiao, Candaba, Mabalacat +3
Sub-basin area
173,2km²
Upstream area
6 374,6km²
Discharge
284,51m³/s
Mean elev.
71m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rio Chico2641 km²
- Bassin de Pampanga River1545 km²
8 dept-equivalent regions (GADM L2)
- 122.2 km²70.8% of basin
- 16.0 km²9.3% of basin
- 11.5 km²6.7% of basin
- 11.1 km²6.4% of basin
- Santa Ana10.5 km²6.1% of basin
- 0.6 km²0.3% of basin
- 0.5 km²0.3% of basin
- 0.2 km²0.1% of basin
1 intersecting protected areas
Mt. Arayat National Park
IUCN Not AssignedNational Park
22.21 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
290 distinct species · 796 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Pampanga River : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 7.4%, filtre Serrano α=0.2). 6 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°
26,9°C
Annual rain
2 268mm
Moisture idx (CMI)
0,30
Runoff
1 492mm/an
PET
1 577mm
AET
1 160mm
Mean slope
2,6°
Water table
89cm
Forest
0%
Crops
40%
Urban
55%
Protected
12%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)