HydroBASINS lev08 watershed · #8080253470
Bassin de Dadina River
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
463,8km²
Upstream area
463,9km²
Discharge
4,99m³/s
Mean elev.
1 220m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 466.6 km²100.0% of basin
4 intersecting protected areas
Kluane / Wrangell-St Elias / Glacier Bay / Tatshenshini-Alsek
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
408.84 km² overlap
Wrangell-St. Elias
IUCN VNational Preserve
364.68 km² overlap
Wrangell-Saint Elias
IUCN IbWilderness Area
303.12 km² overlap
Wrangell-St. Elias
IUCN IINational Park
32.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
20 distinct species · 68 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 Dadina River : 12 espèces reliées par 10 interactions GloBI sur 3 types (connectance 15.2%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
-5,3°C
Annual rain
400mm
Moisture idx (CMI)
-0,16
Runoff
343mm/an
PET
485mm
AET
331mm
Mean slope
12,9°
Water table
307cm
Forest
16%
Crops
0%
Urban
0%
Protected
85%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)