HydroBASINS lev08 watershed · #8080260420
Bassin de Strelna 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 : Valdez-Cordova
Sub-basin area
219,5km²
Upstream area
23 024km²
Discharge
691,65m³/s
Mean elev.
675m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kuskulana River881 km²
- Bassin de Chitina River133 km²
1 dept-equivalent regions (GADM L2)
- 220.8 km²100.0% of basin
3 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
220.77 km² overlap
Wrangell-Saint Elias
IUCN IbWilderness Area
104.56 km² overlap
Wrangell-St. Elias
IUCN IINational Park
13.87 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
141 distinct species · 1 526 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Strelna Creek : 19 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 5 types (connectance 16.5%, filtre Serrano α=0.2). 14 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°
-1,9°C
Annual rain
749mm
Moisture idx (CMI)
0,31
Runoff
460mm/an
PET
519mm
AET
423mm
Mean slope
11,7°
Water table
296cm
Forest
34%
Crops
0%
Urban
0%
Protected
31%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)