Ontologia

Fleuve majeur· 17 segments

Old River

Crosses 6 administrative regions : Chicot, Natchitoches, Perry, Randolph, Sainte Genevieve +1

fleuve majeur

Total length

345km

Max discharge

18 087,4m³/s

Max Strahler

9

Segments matched

17

River geography6 admin regions · 0 communes

Parent watershed

hybas-70807156302382 km²

6 administrative regions crossed (GADM L2)

  • Natchitoches
    Louisiana · United States
    30.2 km
    in this dpt
  • Washington
    Mississippi · United States
    18.7 km
    in this dpt
  • Chicot
    Arkansas · United States
    18.5 km
    in this dpt
  • Sainte Genevieve
    Missouri · United States
    8.0 km
    in this dpt
  • Randolph
    Illinois · United States
    3.2 km
    in this dpt
  • Perry
    Missouri · United States
    1.3 km
    in this dpt

5 intersecting protected areas

1 page = 1 named river (aggregation of 17 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 distinct species · 8 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Hydrology (HydroRIVERS v10)

Total length

345km

Max discharge

18 087,4m³/s

Max Strahler

9

Segments matched

17

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.