HydroBASINS lev08 watershed · #7080020990
Bassin · #7080020990
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 2 administrative regions : Haines, Skagway-Yakutat-Angoon
Sub-basin area
297,1km²
Upstream area
297,1km²
Discharge
12,75m³/s
Mean elev.
976m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 296.3 km²99.2% of basin
- 2.3 km²0.8% of basin
4 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
298.66 km² overlap
Glacier Bay
IUCN IINational Park
294.78 km² overlap
Marine Protected Area
294.78 km² overlap
Glacier Bay
IUCN IbWilderness Area
294.77 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
55 distinct species · 74 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 · #7080020990 : 18 espèces reliées par 20 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 4 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
1 125mm
Moisture idx (CMI)
0,58
Runoff
1 467mm/an
PET
465mm
AET
401mm
Mean slope
14,9°
Water table
450cm
Forest
0%
Crops
0%
Urban
0%
Protected
99%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)