HydroBASINS lev08 watershed · #8080000750
Bassin de Cudahay 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 : Valdez-Cordova
Sub-basin area
547,7km²
Upstream area
547,7km²
Discharge
22,75m³/s
Mean elev.
112m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 514.4 km²93.4% of basin
2 intersecting protected areas
Copper River Delta
IUCN VCritical Habitat Area
259.47 km² overlap
Private Conservation Land
0.60 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
123 distinct species · 3 599 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Cudahay Slough : 27 espèces reliées par 69 interactions GloBI sur 4 types (connectance 11.0%, filtre Serrano α=0.2). 9 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°
3,7°C
Annual rain
2 057mm
Moisture idx (CMI)
0,76
Runoff
2 479mm/an
PET
492mm
AET
491mm
Mean slope
8,5°
Water table
298cm
Forest
8%
Crops
0%
Urban
0%
Protected
94%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)