HydroBASINS lev08 watershed · #5080026400
Bassin de Himbangan 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 24 administrative regions : Abuyog, Anahawan, Bontoc, Hilongos, Hindang +18
Sub-basin area
1 543,1km²
Upstream area
1 543,1km²
Discharge
26,25m³/s
Mean elev.
237m
Administrative coverage
24 dept-equivalent regions (GADM L2)
- Sogod145.7 km²9.5% of basin
- 143.4 km²9.3% of basin
- Hinunangan135.7 km²8.8% of basin
- 111.3 km²7.2% of basin
- Malitbog84.2 km²5.5% of basin
- Liloan83.4 km²5.4% of basin
- 79.6 km²5.2% of basin
- Bontoc72.6 km²4.7% of basin
16 moreFull L2 list
- Tomas Oppus64.7 km² · 4.2%
- Abuyog64.3 km² · 4.2%
- Macrohon62.7 km² · 4.1%
- San Francisco58.9 km² · 3.8%
- Hinundayan53.2 km² · 3.5%
- Anahawan51.0 km² · 3.3%
- Pintuyan45.5 km² · 3.0%
- Padre Burgos43.3 km² · 2.8%
- Maasin City42.9 km² · 2.8%
- San Ricardo37.8 km² · 2.5%
- San Juan32.6 km² · 2.1%
- Hilongos20.6 km² · 1.3%
- Limasawa7.0 km² · 0.5%
- Hindang4.3 km² · 0.3%
- Hinunangan2.5 km² · 0.2%
- Mahaplag2.1 km² · 0.1%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
611 distinct species · 1 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Himbangan River : 16 espèces reliées par 13 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 2 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°
25,8°C
Annual rain
2 945mm
Moisture idx (CMI)
0,50
Runoff
1 712mm/an
PET
1 472mm
AET
1 463mm
Mean slope
11,0°
Water table
337cm
Forest
36%
Crops
36%
Urban
10%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)