Ontologia

Rivière· 180 segments

Saint John River

Crosses 9 administrative regions : Aroostook, Carleton, Kings, Queens, Saint John +4

rivière

Total length

726km

Max discharge

1 188,7m³/s

Max Strahler

6

Segments matched

180

River geography9 admin regions · 0 communes

Parent watershed

hybas-70803802602476 km²

9 administrative regions crossed (GADM L2)

  • Aroostook
    Maine · United States
    182.6 km
    in this dpt
  • York
    New Brunswick · Canada
    86.9 km
    in this dpt
  • Carleton
    New Brunswick · Canada
    77.6 km
    in this dpt
  • Kings
    New Brunswick · Canada
    51.4 km
    in this dpt
  • Queens
    New Brunswick · Canada
    43.6 km
    in this dpt
  • Sunbury
    New Brunswick · Canada
    38.8 km
    in this dpt
  • Victoria
    New Brunswick · Canada
    23.7 km
    in this dpt
  • Saint John
    New Brunswick · Canada
    14.9 km
    in this dpt
  • Somerset
    Maine · United States
    4.7 km
    in this dpt

30 intersecting protected areas

21 more protected areas

1 page = 1 named river (aggregation of 180 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

141 distinct species · 202 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 49 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 Saint John River : 39 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 101 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
49
Interactions affichées
101
Connectance
0.086
Patrimoniales
2
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

726km

Max discharge

1 188,7m³/s

Max Strahler

6

Segments matched

180

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