Rivière· 132 segments
Iowa River
Crosses 15 administrative regions : Benton, Des Moines, Franklin, Grundy, Hardin +10
Total length
534km
Max discharge
284m³/s
Max Strahler
6
Segments matched
132
River geography15 admin regions · 0 communes
15 administrative regions crossed (GADM L2)
- JohnsonIowa · United States132.8 kmin this dpt
- LouisaIowa · United States114.6 kmin this dpt
- HardinIowa · United States100.4 kmin this dpt
- WrightIowa · United States65.6 kmin this dpt
- IowaIowa · United States59.9 kmin this dpt
- MarshallIowa · United States52.8 kmin this dpt
- TamaIowa · United States43.4 kmin this dpt
- WashingtonIowa · United States36.4 kmin this dpt
- FranklinIowa · United States25.7 kmin this dpt
- GrundyIowa · United States13.2 kmin this dpt
- BentonIowa · United States1.2 kmin this dpt
- MuscatineIowa · United States0.0 kmin this dpt
- PoweshiekIowa · United States0.0 kmin this dpt
- Des MoinesIowa · United States0.0 kmin this dpt
- MercerIllinois · United States0.0 kmin this dpt
30 intersecting protected areas
Ms Rv Pools 11-22
IUCN VRecreation Area
Port Louisa
IUCN IVNational Wildlife Refuge
Iowa River Corridor
IUCN VWildlife Management Area
Wildlife Management Area
Reserve Program
Reserve Program
Reserve Program
Lake Odessa
IUCN VWildlife Management Area
Reserve Program
21 more protected areassorted by area
Otter Creek Marsh
IUCN VWildlife Management Area
Wapello Bottoms
IUCN VWildlife Management Area
Conservation Easement
Farm Service Agency Interest Of Ia
IUCN Not AssignedConservation Easement
Reserve Program
Reserve Program
Wright County
IUCN VIWaterfowl Production Area
Reserve Program
Millrace Flats
IUCN VWildlife Management Area
Reserve Program
Reserve Program
Indian Slough
IUCN VWildlife Area
Reserve Program
Watershed Protection
Reserve Program
Reserve Program
Cone Marsh
IUCN VWildlife Management Area
Reserve Program
Reserve Program
Reserve Program
Iowa River
IUCN VWildlife Management Area
1 page = 1 named river (aggregation of 132 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
66 distinct species · 464 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Iowa River : 26 espèces reliées par 67 interactions GloBI sur 2 types (connectance 12.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
534km
Max discharge
284,0m³/s
Max Strahler
6
Segments matched
132
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.