Rivière· 10 segments
Rivière Arnold
Crosses 2 administrative regions : Le Granit, Oxford
Total length
32km
Max discharge
9m³/s
Max Strahler
4
Segments matched
10
River geography2 admin regions · 0 communes
2 administrative regions crossed (GADM L2)
5 intersecting protected areas
DUC Fee Simple Lands
IUCN IVOwnership by Environmental Non-Governmental Organization
Ecological reserve
Marais-du-Lac-Mégantic Nature Reserve
IUCN Not ReportedRecognized nature reserve
Natural Area Under Private Stewardship
Old-growth forest
1 page = 1 named river (aggregation of 10 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
144 distinct species · 5 730 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 33 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 Arnold : 24 espèces reliées par 79 interactions GloBI sur 4 types (connectance 14.1%, 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
32km
Max discharge
9,0m³/s
Max Strahler
4
Segments matched
10
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.