Fleuve· 93 segments

Saint Croix River

Crosses 9 administrative regions : Burnett, Chisago, Dakota, Douglas, Pierce +4

fleuve

Total length

458km

Max discharge

467,6m³/s

Max Strahler

Segments matched

River geography9 admin regions · 0 communes

Parent watershed

hybas-7080409280597 km²

9 administrative regions crossed (GADM L2)

Pine
Minnesota · United States
67.1 km
in this dpt
Washington
Minnesota · United States
65.6 km
in this dpt
Chisago
Minnesota · United States
55.3 km
in this dpt
Burnett
Wisconsin · United States
46.4 km
in this dpt
Douglas
Wisconsin · United States
41.1 km
in this dpt
Saint Croix
Wisconsin · United States
35.3 km
in this dpt
Polk
Wisconsin · United States
27.6 km
in this dpt
Pierce
Wisconsin · United States
9.8 km
in this dpt
Dakota
Minnesota · United States
2.0 km
in this dpt

28 intersecting protected areas

Crex Meadows Wildlife Area 3
IUCN V
Wildlife Area
Saint Croix
IUCN V
National Scenic Riverway
Fish Lake
IUCN V
Wildlife Area
Scenic
IUCN Not Assigned
Easement
Statewide Habitat Areas
IUCN V
Habitat Area
Natural Area - Dedication
IUCN Not Assigned
Conservation Easement
Gores Pool #3
IUCN V
State Wildlife Management Area
Lower Saint Croix
IUCN V
National Scenic Riverway
St. Croix
IUCN V
National Scenic Riverway

19 more protected areassorted by area

Scenic
IUCN Not Assigned
Easement
Saint Croix
IUCN V
National Scenic Riverway
Danbury
IUCN V
Wildlife Area
Kinnickinnic
IUCN Not Assigned
State Park
St Croix Islands
IUCN V
Wildlife Area
Rock Marsh
IUCN V
State Wildlife Management Area
Saint Croix
IUCN VI
National Scenic Riverway
Natural Area - Dedication
IUCN Not Assigned
Conservation Easement
Scenic
IUCN Not Assigned
Easement
Gores State Aquatic Management Area (Dakota)
IUCN V
Aquatic Management Area
St. Croix Savanna State Scientific and
IUCN V
Natural Area
Falls Creek State Scientific and
IUCN V
Natural Area
Lower St. Croix
IUCN V
National Scenic Riverway
Wild Rose
IUCN V
State Wildlife Management Area
Franconia Bluffs State Scientific and
IUCN V
Natural Area
Rutstrum
IUCN V
State Wildlife Management Area
Brown's Creek State Aquatic Management Area (Washington)
IUCN V
Aquatic Management Area
Karpen
IUCN Not Assigned
Conservation Easement
River Oaks Scenic Overlook
IUCN V
Local Conservation Area

1 page = 1 named river (aggregation of 93 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

181 distinct species · 711 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 47 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 Saint Croix River : 39 espèces reliées par 79 interactions GloBI sur 4 types (connectance 7.0%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.070

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)