HydroBASINS lev08 watershed · #7080518330
Bassin de Middle 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 5 administrative regions : Adair, Adams, Cass, Montgomery, Page
Sub-basin area
312km²
Upstream area
885,7km²
Discharge
6,99m³/s
Mean elev.
358m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
5 dept-equivalent regions (GADM L2)
- AdamsIowa · United States219.1 km²70.1% of basin
- MontgomeryIowa · United States47.0 km²15.0% of basin
- CassIowa · United States22.1 km²7.1% of basin
- AdairIowa · United States22.1 km²7.1% of basin
- PageIowa · United States2.1 km²0.7% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
190 distinct species · 1 060 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Middle Nodaway River : 31 espèces reliées par 93 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 12 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°
9,6°C
Annual rain
869mm
Moisture idx (CMI)
-0,19
Runoff
238mm/an
PET
1 070mm
AET
736mm
Mean slope
2,1°
Water table
149cm
Forest
0%
Crops
69%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)