HydroBASINS lev08 watershed · #8080004640
Bassin de Nasaurluq Creek
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 : Dillingham
Sub-basin area
202,4km²
Upstream area
202,4km²
Discharge
4,74m³/s
Mean elev.
85m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 192.0 km²94.4% of basin
1 intersecting protected areas
Togiak
IUCN IVNational Wildlife Refuge
1.99 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
69 distinct species · 123 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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 Nasaurluq Creek : 24 espèces reliées par 40 interactions GloBI sur 3 types (connectance 9.2%, 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°
0,0°C
Annual rain
691mm
Moisture idx (CMI)
0,37
Runoff
735mm/an
PET
437mm
AET
378mm
Mean slope
4,0°
Water table
155cm
Forest
0%
Crops
0%
Urban
0%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)