HydroBASINS lev08 watershed · #8080249410
Bassin de Poltes Slough
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 : Wade Hampton
Sub-basin area
64,2km²
Upstream area
813 748,4km²
Discharge
6 220,93m³/s
Mean elev.
1m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Yukon River1792 km²
- Bassin de Five Day Slough1305 km²
1 dept-equivalent regions (GADM L2)
- 64.5 km²100.0% of basin
2 intersecting protected areas
Marine Protected Area
38.92 km² overlap
Yukon Delta
IUCN IVNational Wildlife Refuge
38.92 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 distinct species · 1 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Hydroclimate (BasinATLAS lev08)
Mean T°
-1,9°C
Annual rain
417mm
Moisture idx (CMI)
-0,01
Runoff
615mm/an
PET
420mm
AET
322mm
Mean slope
3,2°
Water table
3cm
Forest
0%
Crops
0%
Urban
0%
Protected
100%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)