HydroBASINS lev08 watershed · #7080316080
Bassin de Rivière Saint-Cyr Sud
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 : Nord-du-Québec, Vallée-de-l'Or
Sub-basin area
936km²
Upstream area
936km²
Discharge
16,16m³/s
Mean elev.
399m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 766.0 km²81.6% of basin
- 172.9 km²18.4% of basin
9 intersecting protected areas
Land reserved for protected area
151.85 km² overlap
Proposed biodiversity reserve
143.17 km² overlap
08751R003 Biological Refuge
IUCN IVBiological refuge
4.07 km² overlap
08751R008 Biological Refuge
IUCN IVBiological refuge
2.22 km² overlap
08751R007 Biological Refuge
IUCN IVBiological refuge
2.07 km² overlap
08751R002 Biological Refuge
IUCN IVBiological refuge
1.97 km² overlap
08751R004 Biological Refuge
IUCN IVBiological refuge
1.94 km² overlap
08751R006 Biological Refuge
IUCN IVBiological refuge
1.58 km² overlap
08751R011 Biological Refuge
IUCN IVBiological refuge
1.45 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
87 distinct species · 438 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Saint-Cyr Sud : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 2 types (connectance 11.6%, filtre Serrano α=0.2). 8 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°
0,5°C
Annual rain
981mm
Moisture idx (CMI)
0,32
Runoff
553mm/an
PET
666mm
AET
577mm
Mean slope
1,2°
Water table
18cm
Forest
56%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)