HydroBASINS lev08 watershed · #7080292430
Bassin de Rivière au Serpent
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 : Le Fjord-du-Saguenay, Maria-Chapdelaine
Sub-basin area
2 505,7km²
Upstream area
2 506km²
Discharge
58,76m³/s
Mean elev.
489m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 2512.5 km²99.9% of basin
- 1.7 km²0.1% of basin
14 intersecting protected areas
02451R037 Biological Refuge
IUCN IVBiological refuge
7.73 km² overlap
02451R033 Biological Refuge
IUCN IVBiological refuge
5.96 km² overlap
Old-growth forest
5.87 km² overlap
02451R023 Biological Refuge
IUCN IVBiological refuge
4.75 km² overlap
02451R025 Biological Refuge
IUCN IVBiological refuge
4.10 km² overlap
02451R036 Biological Refuge
IUCN IVBiological refuge
3.18 km² overlap
02451R032 Biological Refuge
IUCN IVBiological refuge
2.52 km² overlap
02451R029 Biological Refuge
IUCN IVBiological refuge
2.28 km² overlap
02451R035 Biological Refuge
IUCN IVBiological refuge
1.32 km² overlap
5 more protected areassorted by overlap area
02451R040 Biological Refuge
IUCN IVBiological refuge
1.30 km² overlap
02451R026 Biological Refuge
IUCN IVBiological refuge
1.29 km² overlap
02451R039 Biological Refuge
IUCN IVBiological refuge
1.05 km² overlap
02451R024 Biological Refuge
IUCN IVBiological refuge
1.05 km² overlap
02451R028 Biological Refuge
IUCN IVBiological refuge
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
189 distinct species · 3 471 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 au Serpent : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 112 interactions GloBI sur 4 types (connectance 13.0%, filtre Serrano α=0.2). 15 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°
-0,6°C
Annual rain
1 028mm
Moisture idx (CMI)
0,40
Runoff
734mm/an
PET
621mm
AET
570mm
Mean slope
4,4°
Water table
84cm
Forest
77%
Crops
0%
Urban
0%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)