HydroBASINS lev08 watershed · #7080308500
Bassin de Rivière aux Rats
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 1 administrative regions : Maria-Chapdelaine
Sub-basin area
2 453,3km²
Upstream area
2 453,3km²
Discharge
47,4m³/s
Mean elev.
338m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
1 dept-equivalent regions (GADM L2)
- 2461.3 km²100.0% of basin
16 intersecting protected areas
Proposed aquatic reserve
6.78 km² overlap
02751R016 Biological Refuge
IUCN IVBiological refuge
4.95 km² overlap
02751R026 Biological Refuge
IUCN IVBiological refuge
3.60 km² overlap
02751R019 Biological Refuge
IUCN IVBiological refuge
3.04 km² overlap
02751R022 Biological Refuge
IUCN IVBiological refuge
3.03 km² overlap
02751R036 Biological Refuge
IUCN IVBiological refuge
2.89 km² overlap
02751R020 Biological Refuge
IUCN IVBiological refuge
2.82 km² overlap
02751R034 Biological Refuge
IUCN IVBiological refuge
2.40 km² overlap
02751R039 Biological Refuge
IUCN IVBiological refuge
2.30 km² overlap
7 more protected areassorted by overlap area
02751R025 Biological Refuge
IUCN IVBiological refuge
2.09 km² overlap
02751R010 Biological Refuge
IUCN IVBiological refuge
1.87 km² overlap
02751R006 Biological Refuge
IUCN IVBiological refuge
1.71 km² overlap
02751R005 Biological Refuge
IUCN IVBiological refuge
1.47 km² overlap
02751R021 Biological Refuge
IUCN IVBiological refuge
1.40 km² overlap
02751R024 Biological Refuge
IUCN IVBiological refuge
1.30 km² overlap
02751R035 Biological Refuge
IUCN IVBiological refuge
1.01 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
331 distinct species · 20 094 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 aux Rats : 27 espèces reliées par 97 interactions GloBI sur 3 types (connectance 13.1%, filtre Serrano α=0.2). 12 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°
0,4°C
Annual rain
917mm
Moisture idx (CMI)
0,28
Runoff
593mm/an
PET
656mm
AET
561mm
Mean slope
4,2°
Water table
84cm
Forest
88%
Crops
1%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)