Rivière· 43 segments
Rivière Saint-Jean / Saint John River
Crosses 3 administrative regions : Aroostook, Madawaska, Victoria
Total length
126km
Max discharge
445,9m³/s
Max Strahler
6
Segments matched
43
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
3 intersecting protected areas
Foley Island
IUCN IbProtected Natural Area
Map 18 Lot 98
IUCN VPCL
Map 18 Lot 26A
IUCN VPCL
1 page = 1 named river (aggregation of 43 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
115 distinct species · 501 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Rivière Saint-Jean / Saint John River : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 11.9%, filtre Serrano α=0.2). 10 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
126km
Max discharge
445,9m³/s
Max Strahler
6
Segments matched
43
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.