HydroBASINS lev08 watershed · #5080029990
Bassin de Tibangran 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 27 administrative regions : Badoc, Bangued, Banna, Bantay, Batac City +22
Sub-basin area
1 018,8km²
Upstream area
1 018,8km²
Discharge
2,15m³/s
Mean elev.
122m
Administrative coverage
27 dept-equivalent regions (GADM L2)
- 149.5 km²14.7% of basin
- 131.6 km²13.0% of basin
- 77.0 km²7.6% of basin
- 76.8 km²7.6% of basin
- 73.7 km²7.3% of basin
- 71.6 km²7.0% of basin
- 68.9 km²6.8% of basin
- 62.4 km²6.1% of basin
19 moreFull L2 list
- San Juan59.2 km² · 5.8%
- Santo Domingo50.3 km² · 5.0%
- Bantay33.4 km² · 3.3%
- Currimao32.9 km² · 3.2%
- Laoag City22.2 km² · 2.2%
- San Ildefonso13.2 km² · 1.3%
- San Vicente12.2 km² · 1.2%
- Santa Catalina10.8 km² · 1.1%
- Vigan City10.3 km² · 1.0%
- Sarrat6.6 km² · 0.6%
- Caoayan6.4 km² · 0.6%
- Paoay Lake3.6 km² · 0.4%
- Banna2.9 km² · 0.3%
- San Nicolas2.1 km² · 0.2%
- Danglas1.8 km² · 0.2%
- Marcos0.5 km² · 0.1%
- Langiden0.2 km² · 0.0%
- Santa0.1 km² · 0.0%
- Bangued0.0 km² · 0.0%
3 intersecting protected areas
Northern Luzon Heroes Hill National Park
IUCN Not AssignedNational Park
8.07 km² overlap
Paoay Lake National Park
IUCN Not AssignedNational Park
3.78 km² overlap
Protected Landscape
0.47 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
671 distinct species · 2 654 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Tibangran River : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 4.9%, 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°
26,4°C
Annual rain
2 436mm
Moisture idx (CMI)
0,38
Runoff
1 893mm/an
PET
1 507mm
AET
1 052mm
Mean slope
6,1°
Water table
212cm
Forest
8%
Crops
18%
Urban
31%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)