HydroBASINS lev08 watershed · #4080352170
Bassin de 猿別川
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 10 administrative regions : Ikeda, Kamishihoro, Makubetsu, Nakasatsunai, Obihiro +5
Sub-basin area
959,7km²
Upstream area
5 140km²
Discharge
114,1m³/s
Mean elev.
151m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de 札内川613 km²
- Bassin de 帯広川9 km²
10 dept-equivalent regions (GADM L2)
- 298.2 km²31.0% of basin
- 193.1 km²20.1% of basin
- 160.2 km²16.7% of basin
- 93.0 km²9.7% of basin
- 85.7 km²8.9% of basin
- 60.2 km²6.3% of basin
- 34.4 km²3.6% of basin
- 31.4 km²3.3% of basin
8 intersecting protected areas
Osarushi
IUCN IVPrefectural Wildlife Protection Area
3.37 km² overlap
Nitta bokujou
IUCN VNatural Landscape Protection Area(Hokkaido)
0.42 km² overlap
Toyooka
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
0.38 km² overlap
Yoda
IUCN IVPrefectural Wildlife Protection Area
0.25 km² overlap
Sarabetsu
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
0.20 km² overlap
Nukanai
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
0.05 km² overlap
Nitta no mori
IUCN VEnvironmental Green Space Protection Area(Hokkaido)
0.04 km² overlap
Seo
IUCN IVAcademic Nature Protection Area(Hokkaido)
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
489 distinct species · 3 776 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 猿別川 : 18 espèces reliées par 50 interactions GloBI sur 5 types (connectance 12.3%, filtre Serrano α=0.2). 11 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°
5,9°C
Annual rain
1 173mm
Moisture idx (CMI)
0,35
Runoff
743mm/an
PET
757mm
AET
723mm
Mean slope
2,3°
Water table
90cm
Forest
45%
Crops
34%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)