Rivière· 28 segments
Rivière de l'Orignal
Crosses 3 administrative regions : Pontiac, Témiscamingue, Vallée-de-l'Or
Total length
68km
Max discharge
14,8m³/s
Max Strahler
4
Segments matched
28
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- PontiacQuébec · Canada95.6 kmin this dpt
- Vallée-de-l'OrQuébec · Canada35.8 kmin this dpt
- TémiscamingueQuébec · Canada2.3 kmin this dpt
8 intersecting protected areas
Proposed aquatic reserve
Land set aside Rivière-Dumoine
IUCN Not ReportedLand set aside
07352R010 Biological Refuge
IUCN IVBiological refuge
07352R021 Biological Refuge
IUCN IVBiological refuge
07352R024 Biological Refuge
IUCN IVBiological refuge
07352R016 Biological Refuge
IUCN IVBiological refuge
07352R019 Biological Refuge
IUCN IVBiological refuge
07352R018 Biological Refuge
IUCN IVBiological refuge
1 page = 1 named river (aggregation of 28 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
72 distinct species · 332 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 de l'Orignal : 19 espèces reliées par 45 interactions GloBI sur 2 types (connectance 13.8%, filtre Serrano α=0.2). 7 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
68km
Max discharge
14,8m³/s
Max Strahler
4
Segments matched
28
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.