Fleuve· 87 segments

Boyer River

Crosses 8 administrative regions : Buena Vista, Carroll, Crawford, Harrison, Pottawattamie +3

fleuve

Total length

522km

Max discharge

1 178,5m³/s

Max Strahler

Segments matched

River geography8 admin regions · 0 communes

Parent watershed

hybas-7080496960655 km²

8 administrative regions crossed (GADM L2)

Harrison
Iowa · United States
119.9 km
in this dpt
Sac
Iowa · United States
106.3 km
in this dpt
Crawford
Iowa · United States
102.1 km
in this dpt
Buena Vista
Iowa · United States
7.3 km
in this dpt
Washington
Nebraska · United States
5.8 km
in this dpt
Pottawattamie
Iowa · United States
5.5 km
in this dpt
Shelby
Iowa · United States
5.0 km
in this dpt
Carroll
Iowa · United States
2.7 km
in this dpt

9 intersecting protected areas

Boyer Chute
IUCN IV
National Wildlife Refuge
Farm Service Agency Interest Of Ia
IUCN Not Assigned
Conservation Easement
Wetlands Reserve Program (WRP), Washington, NE
IUCN V
Reserve Program
Newcom Dale Riggleman
IUCN V
Natural Resource Area
Boyer Bend
IUCN V
Wildlife Management Area
Goodrich Timber
IUCN V
Private Conservation
Reisz Timber
IUCN V
Private Conservation
Harrison County Historical Museum/Welcome Center
IUCN V
Museum
Newcom Prairie
IUCN V
Local Conservation Area

1 page = 1 named river (aggregation of 87 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

15 distinct species · 22 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 12 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Boyer River : 12 espèces reliées par 13 interactions GloBI sur 2 types (connectance 19.7%, filtre Serrano α=0.2).

Espèces affichées

Interactions affichées

Connectance

0.197

Patrimoniales

Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)