Rivière· 51 segments

Shell Rock River

Crosses 7 administrative regions : Black Hawk, Bremer, Butler, Cerro Gordo, Floyd +2

rivière

Total length

186km

Max discharge

61,2m³/s

Max Strahler

Segments matched

River geography7 admin regions · 0 communes

Parent watershed

hybas-70804642001369 km²

7 administrative regions crossed (GADM L2)

Butler
Iowa · United States
89.8 km
in this dpt
Floyd
Iowa · United States
66.2 km
in this dpt
Worth
Iowa · United States
57.0 km
in this dpt
Freeborn
Minnesota · United States
33.0 km
in this dpt
Cerro Gordo
Iowa · United States
25.8 km
in this dpt
Bremer
Iowa · United States
13.0 km
in this dpt
Black Hawk
Iowa · United States
3.2 km
in this dpt

30 intersecting protected areas

Martin County
IUCN V
Waterfowl Production Area
Big Stone County
IUCN V
Waterfowl Production Area
Permanent
IUCN V
Wetland Preserve
Permanent
IUCN V
Wetland Preserve
Wetlands Reserve Program (WRP)
IUCN Not Assigned
Reserve Program
Farm Service Agency Interest Of Ia
IUCN Not Assigned
Conservation Easement
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Butler, IA
IUCN V
Watershed Protection
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Bremer, IA
IUCN V
Watershed Protection
Wetlands Reserve Program (WRP), Freeborn, MN
IUCN V
Reserve Program

21 more protected areassorted by area

Panicum Prairie
IUCN V
State Wildlife Management Area
Wetlands Reserve Program (WRP), Worth, IA
IUCN V
Reserve Program
Shellrock River
IUCN V
Greenbelt
Panicum Prairie
IUCN V
Local Conservation Area
Fossil & Prairie Park
IUCN V
State Preserve
Walnut Bend
IUCN V
Wildlife Management Area
Shell Rock Bend
IUCN V
Wildlife Management Area
Nagle Wildlife
IUCN V
Local Conservation Area
Turkey Ridge
IUCN V
Wildlife Area
West Fork
IUCN V
Access
Turkeyfoot Prairie
IUCN V
Local Conservation Area
Shellrock
IUCN V
Wildlife Management Area
Fisher
IUCN V
Forest
Freeborn County
IUCN V
Waterfowl Production Area
Sidney Swensrud
IUCN V
Wildlife Area
Shell Rock
IUCN V
Wildlife Area
Mather's
IUCN V
Forest
Shell Rock
IUCN V
State Wildlife Management Area
White
IUCN V
Wildlife Area
Wolter's Prairie
IUCN V
Preserve
Plymouth Pits
IUCN V
Wildlife Area

1 page = 1 named river (aggregation of 51 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

14 distinct species · 16 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 7 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 Shell Rock River : 7 espèces reliées par 5 interactions GloBI sur 1 type (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées

Interactions affichées

Connectance

0.238

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)