Rivière· 48 segments
Arrow Creek
Crosses 3 administrative regions : Chouteau, Fergus, Judith Basin
Total length
252km
Max discharge
7,8m³/s
Max Strahler
4
Segments matched
48
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- Judith BasinMontana · United States84.0 kmin this dpt
- ChouteauMontana · United States75.8 kmin this dpt
- FergusMontana · United States41.0 kmin this dpt
3 intersecting protected areas
National Monument
Upper Missouri
IUCN VNational Wild & Scenic River
Moline
IUCN Not AssignedConservation Easement
1 page = 1 named river (aggregation of 48 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
42 distinct species · 70 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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).
Indicateurs du tissu écologique
Tissu écologique de Arrow Creek : 13 espèces reliées par 38 interactions GloBI sur 3 types (connectance 24.8%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology (HydroRIVERS v10)
Total length
252km
Max discharge
7,8m³/s
Max Strahler
4
Segments matched
48
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.