Rivière· 51 segments

Big River

Crosses 7 administrative regions : Goodhue, Iron, Jefferson, Pierce, Saint Francois +2

rivière

Total length

1 493km

Max discharge

18,7m³/s

Max Strahler

Segments matched

River geography7 admin regions · 0 communes

Parent watershed

hybas-70805780002519 km²

7 administrative regions crossed (GADM L2)

Jefferson
Missouri · United States
103.5 km
in this dpt
Washington
Missouri · United States
67.4 km
in this dpt
Saint Francois
Missouri · United States
35.9 km
in this dpt
Pierce
Wisconsin · United States
12.5 km
in this dpt
Iron
Missouri · United States
4.6 km
in this dpt
Goodhue
Minnesota · United States
0.0 km
in this dpt
Saint Louis
Missouri · United States
0.0 km
in this dpt

11 intersecting protected areas

Gores Pool #3
IUCN V
State Wildlife Management Area
Saint Francois
IUCN III
State Park
Washington
IUCN III
State Park
Hughes Mountain
IUCN V
Natural Area
Bootleg
IUCN V
Access
Merrill Horse
IUCN V
Access
Coonville Creek
IUCN V
Natural Area
Washington State Park Hardwoods
IUCN V
Natural Area
Kingston
IUCN V
Access

2 more protected areassorted by area

Mammoth
IUCN V
Access
Brown's Ford
IUCN V
Access

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

Species present

805 distinct species · 4 547 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).

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

RègnesAnimalPlanteChampignonBacterie

RelationsPredationParasitismeSymbiosePollinisation

StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Big River : 28 espèces reliées par 118 interactions GloBI sur 4 types (connectance 13.1%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

118

Connectance

0.131

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)