HydroBASINS lev08 watershed · #7080324280
Bassin de Ruisseau Grand Nord
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 3 administrative regions : Avignon, Bonaventure, La Matapédia
Sub-basin area
494km²
Upstream area
494km²
Discharge
10,12m³/s
Mean elev.
436m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
3 dept-equivalent regions (GADM L2)
- 290.9 km²58.7% of basin
- 151.3 km²30.5% of basin
- 53.3 km²10.8% of basin
8 intersecting protected areas
White-tailed deer yard
30.37 km² overlap
11153R045 Biological Refuge
IUCN IVBiological refuge
6.05 km² overlap
11153R043 Biological Refuge
IUCN IVBiological refuge
6.00 km² overlap
11153R042 Biological Refuge
IUCN IVBiological refuge
3.04 km² overlap
Rivière-Angers Old-Growth Forest
IUCN IIIOld-growth forest
2.03 km² overlap
Land set aside Rivière-Cascapédia
IUCN Not ReportedLand set aside
1.65 km² overlap
11153R048 Biological Refuge
IUCN IVBiological refuge
1.52 km² overlap
11153R046 Biological Refuge
IUCN IVBiological refuge
1.34 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
78 distinct species · 218 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Ruisseau Grand Nord : 19 espèces reliées par 33 interactions GloBI sur 2 types (connectance 12.0%, filtre Serrano α=0.2). 5 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°
1,7°C
Annual rain
1 107mm
Moisture idx (CMI)
0,44
Runoff
658mm/an
PET
617mm
AET
570mm
Mean slope
10,2°
Water table
281cm
Forest
95%
Crops
1%
Urban
0%
Protected
6%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)