HydroBASINS lev08 watershed · #7080524550
Bassin de West Nodaway 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 : Montgomery, Page
Sub-basin area
276,2km²
Upstream area
2 069,2km²
Discharge
16,32m³/s
Mean elev.
329m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
2 dept-equivalent regions (GADM L2)
- PageIowa · United States267.8 km²96.8% of basin
- MontgomeryIowa · United States8.7 km²3.2% of basin
1 intersecting protected areas
Stephens Tract
IUCN VWildlife Area
0.02 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
244 distinct species · 1 334 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 West Nodaway River : 37 espèces reliées par 97 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 8 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°
10,0°C
Annual rain
880mm
Moisture idx (CMI)
-0,19
Runoff
236mm/an
PET
1 080mm
AET
745mm
Mean slope
1,7°
Water table
148cm
Forest
1%
Crops
77%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)