Ruisseau· 3 segments
Pilgrim River
Crosses 2 administrative regions : Houghton, Lake Superior
Total length
21km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
3
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
- HoughtonMichigan · United States17.5 kmin this dpt
- Lake SuperiorMichigan · United States0.5 kmin this dpt
2 intersecting protected areas
Pilgrim Community
IUCN VForest
92-01-0098
IUCN Not AssignedConservation Easement
1 page = 1 named river (aggregation of 3 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
1 264 distinct species · 16 517 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 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 Pilgrim River : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 77 interactions GloBI sur 5 types (connectance 7.8%, filtre Serrano α=0.2). 9 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
21km
Max discharge
1,5m³/s
Max Strahler
2
Segments matched
3
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.