Ontologia

Ruisseau· 10 segments

Helena Valley Irrigation

Crosses 2 administrative regions : Jefferson, Lewis and Clark

ruisseau

Total length

51km

Max discharge

2m³/s

Max Strahler

3

Segments matched

10

River geography2 admin regions · 0 communes

Parent watershed

hybas-70803645701641 km²

2 administrative regions crossed (GADM L2)

  • Lewis and Clark
    Montana · United States
    71.3 km
    in this dpt
  • Jefferson
    Montana · United States
    2.6 km
    in this dpt

2 intersecting protected areas

1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

265 distinct species · 60 496 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 27 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 Helena Valley Irrigation : 18 espèces reliées par 78 interactions GloBI sur 3 types (connectance 20.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
78
Connectance
0.206
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

51km

Max discharge

2,0m³/s

Max Strahler

3

Segments matched

10

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