Rivière· 18 segments

South River

Crosses 7 administrative regions : Adams, Clarke, Madison, Marion, Polk +2

rivière

Total length

943km

Max discharge

10,9m³/s

Max Strahler

Segments matched

River geography7 admin regions · 0 communes

Parent watershed

hybas-70805030801528 km²

7 administrative regions crossed (GADM L2)

Warren
Iowa · United States
48.9 km
in this dpt
Marion
Missouri · United States
27.4 km
in this dpt
Clarke
Iowa · United States
17.1 km
in this dpt
Madison
Iowa · United States
8.6 km
in this dpt
Ralls
Missouri · United States
0.9 km
in this dpt
Polk
Iowa · United States
0.3 km
in this dpt
Adams
Illinois · United States
0.0 km
in this dpt

11 intersecting protected areas

Ms Rv Pools 11-22
IUCN V
Recreation Area
Red Rock
IUCN V
Wildlife Management Area
Wetlands Reserve Program (WRP), Warren, IA
IUCN V
Reserve Program
Wetlands Reserve Program (WRP), Warren, IA
IUCN V
Reserve Program
Emergency Wetlands Reserve Program (EWetlands Reserve Program (WRP)), Marion, MO
IUCN V
Reserve Program
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Warren, IA
IUCN V
Watershed Protection
Bank Swallow Bend
IUCN V
Local Conservation Area
Wetlands Reserve Program (WRP), Clarke, IA
IUCN V
Reserve Program
Woodland Mounds
IUCN V
State Preserve

2 more protected areassorted by area

Wetlands Reserve Program (WRP), Marion, MO
IUCN V
Reserve Program
Fabius Chute
IUCN V
Access

1 page = 1 named river (aggregation of 18 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

82 distinct species · 255 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 36 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 South River : 29 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 4 types (connectance 9.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées

Interactions affichées

Connectance

0.094

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)