HydroBASINS lev08 watershed · #8080020060
Bassin de Chuniisax 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 : Aleutians West
Sub-basin area
1 222,4km²
Upstream area
1 222,4km²
Discharge
24,19m³/s
Mean elev.
202m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 1081.8 km²88.2% of basin
4 intersecting protected areas
Marine Protected Area
791.08 km² overlap
Alaska Maritime
IUCN IVNational Wildlife Refuge
791.08 km² overlap
National Monument
337.23 km² overlap
National Monument
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
653 distinct species · 2 278 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Chuniisax Creek : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 11 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°
4,0°C
Annual rain
1 319mm
Moisture idx (CMI)
0,70
Runoff
2 108mm/an
PET
393mm
AET
391mm
Mean slope
12,9°
Water table
332cm
Forest
0%
Crops
0%
Urban
0%
Protected
86%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)