HydroBASINS lev08 watershed · #8080163420
Bassin de Hess 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 : Yukon-Koyukuk
Sub-basin area
313km²
Upstream area
1 887,2km²
Discharge
10,3m³/s
Mean elev.
300m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Fish Creek388 km²
- Bassin de Hess Creek6 km²
1 dept-equivalent regions (GADM L2)
- 315.1 km²100.0% of basin
1 intersecting protected areas
Yukon Flats
IUCN IVNational Wildlife Refuge
2.31 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
225 distinct species · 1 579 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Hess Creek : 29 espèces reliées par 54 interactions GloBI sur 5 types (connectance 7.3%, filtre Serrano α=0.2). 10 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°
-5,4°C
Annual rain
300mm
Moisture idx (CMI)
-0,43
Runoff
137mm/an
PET
529mm
AET
271mm
Mean slope
8,0°
Water table
201cm
Forest
56%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)