Rivière· 96 segments
Big Muddy Creek
Crosses 9 administrative regions : Division No. 2, Gentry, Grant, Harrison, Morton +4
Total length
526km
Max discharge
15,3m³/s
Max Strahler
5
Segments matched
96
River geography9 admin regions · 0 communes
9 administrative regions crossed (GADM L2)
- SheridanMontana · United States220.5 kmin this dpt
- RooseveltMontana · United States93.3 kmin this dpt
- MortonNorth Dakota · United States73.7 kmin this dpt
- Division No. 2Saskatchewan · Canada17.0 kmin this dpt
- GrantNorth Dakota · United States9.4 kmin this dpt
- GentryMissouri · United States4.8 kmin this dpt
- HarrisonMissouri · United States3.0 kmin this dpt
- RichlandMontana · United States0.0 kmin this dpt
- WorthMissouri · United States0.0 kmin this dpt
9 intersecting protected areas
Wildlife Habitat Protection
IUCN Not ApplicableWildlife Habitat Protection
Private Conservation Lands
IUCN IVPrivate Conservation Lands
Medicine Lake
IUCN IVNational Wildlife Refuge
Sheridan County
IUCN VWaterfowl Production Area
National Wildlife Refuge
Waterfowl Production Area
National Wildlife Refuge
Roosevelt County
IUCN VIWaterfowl Production Area
Conservation Area
1 page = 1 named river (aggregation of 96 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
40 distinct species · 70 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 19 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 Big Muddy Creek : 15 espèces reliées par 37 interactions GloBI sur 3 types (connectance 21.6%, filtre Serrano α=0.2). 4 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
526km
Max discharge
15,3m³/s
Max Strahler
5
Segments matched
96
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.