HydroBASINS lev08 watershed · #7080034480
Bassin de Rivière Montmorency
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 : Charlevoix, Communauté-Urbaine-de-Québec, La Côte-de-Beaupré, La Jacques-Cartier
Sub-basin area
1 157,6km²
Upstream area
1 157,6km²
Discharge
34,14m³/s
Mean elev.
723m
Administrative coverage
4 dept-equivalent regions (GADM L2)
- 987.6 km²85.1% of basin
- 149.0 km²12.8% of basin
- 22.9 km²2.0% of basin
- 1.3 km²0.1% of basin
10 intersecting protected areas
Quebec's national park
11.23 km² overlap
Proposed biodiversity reserve
8.74 km² overlap
03153R011 Biological Refuge
IUCN IVBiological refuge
6.48 km² overlap
Lac-des-Neiges Old-Growth Forest
IUCN IIIOld-growth forest
3.89 km² overlap
03153R008 Biological Refuge
IUCN IVBiological refuge
2.42 km² overlap
03153R004 Biological Refuge
IUCN IVBiological refuge
2.10 km² overlap
03153R002 Biological Refuge
IUCN IVBiological refuge
1.12 km² overlap
03351R002 Biological Refuge
IUCN IVBiological refuge
0.47 km² overlap
03153R009 Biological Refuge
IUCN IVBiological refuge
0.19 km² overlap
1 more protected areassorted by overlap area
03351R006 Biological Refuge
IUCN IVBiological refuge
0.12 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
2 349 distinct species · 208 334 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Montmorency : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 72 interactions GloBI sur 4 types (connectance 15.5%, filtre Serrano α=0.2). 11 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°
1,2°C
Annual rain
1 254mm
Moisture idx (CMI)
0,49
Runoff
925mm/an
PET
640mm
AET
614mm
Mean slope
9,2°
Water table
242cm
Forest
86%
Crops
1%
Urban
1%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)