Ruisseau· 11 segments
Ruisseau Castagne
Crosses 3 administrative regions : Acton, La Haute-Yamaska, Le Val-Saint-François
Total length
23km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
11
River geography3 admin regions · 0 communes
3 administrative regions crossed (GADM L2)
- ActonQuébec · Canada20.5 kmin this dpt
- La Haute-YamaskaQuébec · Canada12.5 kmin this dpt
- Le Val-Saint-FrançoisQuébec · Canada0.0 kmin this dpt
2 intersecting protected areas
Claude-Tétrault Nature Reserve
IUCN Not ReportedRecognized nature reserve
Natural Area Under Private Stewardship
1 page = 1 named river (aggregation of 11 HydroRIVERS v10 segments). Spatial join cached after first hit.
Species present
145 distinct species · 741 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Ruisseau Castagne : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 103 interactions GloBI sur 4 types (connectance 14.7%, filtre Serrano α=0.2). 12 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
23km
Max discharge
1,7m³/s
Max Strahler
2
Segments matched
11
HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.