HydroBASINS lev08 watershed · #8080298950
Bassin · #8080298950
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
218,3km²
Upstream area
218,4km²
Discharge
4,8m³/s
Mean elev.
93m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 219.5 km²100.0% of basin
1 intersecting protected areas
Wood-tikchik
IUCN VState Park
215.71 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
84 distinct species · 96 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 · #8080298950 : 26 espèces reliées par 37 interactions GloBI sur 2 types (connectance 7.5%, 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°
-0,1°C
Annual rain
589mm
Moisture idx (CMI)
0,22
Runoff
729mm/an
PET
462mm
AET
374mm
Mean slope
5,5°
Water table
326cm
Forest
1%
Crops
0%
Urban
0%
Protected
98%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)