HydroBASINS lev08 watershed · #8080297150
Bassin de Mulchatna 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 2 administrative regions : Dillingham, Lake and Peninsula
Sub-basin area
873,3km²
Upstream area
11 423,5km²
Discharge
250,45m³/s
Mean elev.
115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Stuyakok River726 km²
- Bassin de Mulchatna River378 km²
2 dept-equivalent regions (GADM L2)
- 876.4 km²99.8% of basin
- 1.7 km²0.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
39 distinct species · 69 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 21 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 Mulchatna River : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 2 types (connectance 10.0%, filtre Serrano α=0.2). 3 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°
-0,2°C
Annual rain
549mm
Moisture idx (CMI)
0,11
Runoff
871mm/an
PET
486mm
AET
383mm
Mean slope
1,5°
Water table
46cm
Forest
0%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)