HydroBASINS lev08 watershed · #7080398230
Bassin de Rivière Noire
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 4 administrative regions : Acton, La Haute-Yamaska, Les Maskoutains, Rouville
Sub-basin area
469km²
Upstream area
1 762,5km²
Discharge
39,95m³/s
Mean elev.
78m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Rivière Noire682 km²
- Bassin de Rivière Saint-Germain612 km²
4 dept-equivalent regions (GADM L2)
- 222.2 km²47.3% of basin
- 194.8 km²41.5% of basin
- 31.9 km²6.8% of basin
- 21.1 km²4.5% of basin
5 intersecting protected areas
Mont Yamaska Natural Area Under Private Stewardship
IUCN Not ReportedNatural Area Under Private Stewardship
0.07 km² overlap
Mont-Yamaska (Sec. NAQ / Par. iTéract-L'Abbé) Nature Reserve
IUCN Not ReportedRecognized nature reserve
0.07 km² overlap
Mont-Yamaska (Sec. Onil-Caouette) Nature Reserve
IUCN Not ReportedRecognized nature reserve
0.04 km² overlap
Natural Area Under Private Stewardship
0.04 km² overlap
Mont-Yamaska (Secteur de la Fondation de conservation du mont Yamaska) Natural reserve
IUCN Not ReportedRecognized nature reserve
0.03 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 426 distinct species · 136 211 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Bassin de Rivière Noire : 22 espèces reliées par 108 interactions GloBI sur 4 types (connectance 17.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
5,7°C
Annual rain
1 004mm
Moisture idx (CMI)
0,17
Runoff
704mm/an
PET
836mm
AET
671mm
Mean slope
1,1°
Water table
60cm
Forest
60%
Crops
52%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)