HydroBASINS lev08 watershed · #5080114190
Bassin de Ilagan 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 3 administrative regions : Benito Soliven, Dinapigue, San Mariano
Sub-basin area
286km²
Upstream area
1 507,5km²
Discharge
90,61m³/s
Mean elev.
271m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dimaliw River316 km²
- Bassin de Ilagan River49 km²
3 dept-equivalent regions (GADM L2)
- 240.8 km²84.5% of basin
- 44.2 km²15.5% of basin
- 0.0 km²0.0% of basin
2 intersecting protected areas
Natural Park
14.43 km² overlap
Wilderness Area
5.22 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
126 distinct species · 374 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 Ilagan River : 18 espèces reliées par 20 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 7 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°
25,6°C
Annual rain
2 603mm
Moisture idx (CMI)
0,39
Runoff
1 578mm/an
PET
1 563mm
AET
1 395mm
Mean slope
7,7°
Water table
281cm
Forest
27%
Crops
30%
Urban
4%
Protected
7%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)