HydroBASINS lev08 watershed · #7080035020
Bassin de Rivière Madeleine
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 2 administrative regions : La Côte-de-Gaspé, La Haute-Gaspésie
Sub-basin area
1 244,2km²
Upstream area
1 244,5km²
Discharge
25,38m³/s
Mean elev.
490m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 1021.5 km²81.8% of basin
- 226.6 km²18.2% of basin
10 intersecting protected areas
Habitat of a threatened or vulnerable wildlife species
154.74 km² overlap
Quebec's national park
154.64 km² overlap
11256R147 Biological Refuge
IUCN IVBiological refuge
2.13 km² overlap
11256R148 Biological Refuge
IUCN IVBiological refuge
1.85 km² overlap
Forest refuge
1.44 km² overlap
11256R163 Biological Refuge
IUCN IVBiological refuge
1.40 km² overlap
Lac-Hunter Forest Refuge
IUCN IIIForest refuge
0.73 km² overlap
Ruisseau-Matte Old-Growth Forest
IUCN IIIOld-growth forest
0.51 km² overlap
Water fowl gathering area
0.04 km² overlap
1 more protected areassorted by overlap area
Old-growth forest
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
893 distinct species · 11 771 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Madeleine : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 132 interactions GloBI sur 4 types (connectance 16.1%, filtre Serrano α=0.2). 20 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°
1,1°C
Annual rain
1 106mm
Moisture idx (CMI)
0,49
Runoff
699mm/an
PET
562mm
AET
529mm
Mean slope
8,4°
Water table
204cm
Forest
92%
Crops
0%
Urban
0%
Protected
13%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)