Ontologia

Fleuve· 282 segments

Cheyenne River

Crosses 13 administrative regions : Converse, Custer, Dewey, Fall River, Haakon +8

fleuve

Total length

707km

Max discharge

970,9m³/s

Max Strahler

8

Segments matched

282

River geography13 admin regions · 0 communes

Parent watershed

hybas-7080448250779 km²

13 administrative regions crossed (GADM L2)

  • Fall River
    South Dakota · United States
    298.0 km
    in this dpt
  • Pennington
    South Dakota · United States
    254.1 km
    in this dpt
  • Niobrara
    Wyoming · United States
    138.1 km
    in this dpt
  • Custer
    South Dakota · United States
    136.9 km
    in this dpt
  • Haakon
    South Dakota · United States
    127.8 km
    in this dpt
  • Ziebach
    South Dakota · United States
    116.5 km
    in this dpt
  • Weston
    Wyoming · United States
    105.2 km
    in this dpt
  • Meade
    South Dakota · United States
    82.6 km
    in this dpt
  • Converse
    Wyoming · United States
    47.6 km
    in this dpt
  • Stanley
    South Dakota · United States
    42.8 km
    in this dpt
  • Dewey
    South Dakota · United States
    41.1 km
    in this dpt
  • Shannon
    South Dakota · United States
    40.5 km
    in this dpt
  • Sully
    South Dakota · United States
    6.2 km
    in this dpt

17 intersecting protected areas

8 more protected areas

1 page = 1 named river (aggregation of 282 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

170 distinct species · 886 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 41 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

Indicateurs du tissu écologique

Tissu écologique de Cheyenne River : 27 espèces reliées par 124 interactions GloBI sur 4 types (connectance 14.4%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
42
Interactions affichées
124
Connectance
0.144
Patrimoniales
0
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)

Total length

707km

Max discharge

970,9m³/s

Max Strahler

8

Segments matched

282

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