HydroBASINS lev08 watershed · #7080344980
Bassin de Rivière Croche
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 Domaine-du-Roy, Le Haut-Saint-Maurice
Sub-basin area
1 894,2km²
Upstream area
1 894,2km²
Discharge
32,5m³/s
Mean elev.
376m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 965.7 km²50.8% of basin
- 934.0 km²49.2% of basin
24 intersecting protected areas
Proposed aquatic reserve
163.81 km² overlap
Biodiversity reserve
102.60 km² overlap
Land reserved for protected area
28.22 km² overlap
Ecological reserve
9.08 km² overlap
04251R088 Biological Refuge
IUCN IVBiological refuge
3.92 km² overlap
04251R505 Biological Refuge
IUCN IVBiological refuge
3.77 km² overlap
02251R024 Biological Refuge
IUCN IVBiological refuge
3.76 km² overlap
04251R198 Biological Refuge
IUCN IVBiological refuge
3.59 km² overlap
02251R021 Biological Refuge
IUCN IVBiological refuge
3.52 km² overlap
15 more protected areassorted by overlap area
02251R025 Biological Refuge
IUCN IVBiological refuge
3.07 km² overlap
02251R003 Biological Refuge
IUCN IVBiological refuge
3.03 km² overlap
04251R118 Biological Refuge
IUCN IVBiological refuge
2.73 km² overlap
02251R023 Biological Refuge
IUCN IVBiological refuge
2.65 km² overlap
04251R502 Biological Refuge
IUCN IVBiological refuge
2.46 km² overlap
04251R051 Biological Refuge
IUCN IVBiological refuge
1.71 km² overlap
02251R026 Biological Refuge
IUCN IVBiological refuge
1.41 km² overlap
02251R022 Biological Refuge
IUCN IVBiological refuge
1.31 km² overlap
04251R512 Biological Refuge
IUCN IVBiological refuge
1.04 km² overlap
04251R148 Biological Refuge
IUCN IVBiological refuge
0.69 km² overlap
04251R214 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
04251R203 Biological Refuge
IUCN IVBiological refuge
0.50 km² overlap
Lac-Écureuil Old-Growth
IUCN IIIOld-growth forest
0.33 km² overlap
04251R003 Biological Refuge
IUCN IVBiological refuge
0.27 km² overlap
04251R218 Biological Refuge
IUCN IVBiological refuge
0.25 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
203 distinct species · 2 770 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 Croche : 27 espèces reliées par 83 interactions GloBI sur 3 types (connectance 11.8%, 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°
2,2°C
Annual rain
983mm
Moisture idx (CMI)
0,26
Runoff
543mm/an
PET
729mm
AET
608mm
Mean slope
5,1°
Water table
108cm
Forest
96%
Crops
0%
Urban
0%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)