HydroBASINS lev08 watershed · #8080004750
Bassin de Smalls 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 1 administrative regions : Bethel
Sub-basin area
254,4km²
Upstream area
254,4km²
Discharge
6,15m³/s
Mean elev.
101m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 254.4 km²99.5% of basin
1 intersecting protected areas
Togiak
IUCN IVNational Wildlife Refuge
38.20 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
242 distinct species · 523 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 Smalls River : 21 espèces reliées par 97 interactions GloBI sur 4 types (connectance 14.6%, filtre Serrano α=0.2). 16 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°
0,0°C
Annual rain
877mm
Moisture idx (CMI)
0,52
Runoff
778mm/an
PET
422mm
AET
390mm
Mean slope
5,9°
Water table
262cm
Forest
0%
Crops
0%
Urban
0%
Protected
18%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)