Rivière· 78 segments
Marias River
Crosses 6 administrative regions : Chouteau, Glacier, Hill, Liberty, Pondera +1
Total length
283km
Max discharge
56,7m³/s
Max Strahler
5
Segments matched
78
River geography6 admin regions · 0 communes
6 administrative regions crossed (GADM L2)
2 intersecting protected areas
National Monument
Upper Missouri
IUCN VNational Wild & Scenic River
1 page = 1 named river (aggregation of 78 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
20 distinct species · 37 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 11 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 Marias River : 10 espèces reliées par 11 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2). 1 bulle taxonomique (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
283km
Max discharge
56,7m³/s
Max Strahler
5
Segments matched
78
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.