HydroBASINS lev08 watershed · #7080340550
Bassin de Rivière Marécageuse
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 : Rouyn-Noranda, Témiscamingue
Sub-basin area
1 354,6km²
Upstream area
1 354,6km²
Discharge
21,01m³/s
Mean elev.
332m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
2 dept-equivalent regions (GADM L2)
- 1309.8 km²96.4% of basin
- 48.7 km²3.6% of basin
22 intersecting protected areas
Biodiversity reserve
2.85 km² overlap
08351R010 Biological Refuge
IUCN IVBiological refuge
2.07 km² overlap
08351R111 Biological Refuge
IUCN IVBiological refuge
2.06 km² overlap
08351R099 Biological Refuge
IUCN IVBiological refuge
1.58 km² overlap
Muskrat habitat
1.34 km² overlap
08351R026 Biological Refuge
IUCN IVBiological refuge
1.10 km² overlap
08351R034 Biological Refuge
IUCN IVBiological refuge
1.05 km² overlap
08152R083 Biological Refuge
IUCN IVBiological refuge
1.02 km² overlap
08351R024 Biological Refuge
IUCN IVBiological refuge
1.00 km² overlap
13 more protected areassorted by overlap area
08152R085 Biological Refuge
IUCN IVBiological refuge
0.97 km² overlap
08351R109 Biological Refuge
IUCN IVBiological refuge
0.92 km² overlap
08152R079 Biological Refuge
IUCN IVBiological refuge
0.87 km² overlap
08152R082 Biological Refuge
IUCN IVBiological refuge
0.86 km² overlap
08351R035 Biological Refuge
IUCN IVBiological refuge
0.76 km² overlap
08152R078 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
08351R113 Biological Refuge
IUCN IVBiological refuge
0.68 km² overlap
08351R110 Biological Refuge
IUCN IVBiological refuge
0.62 km² overlap
08351R095 Biological Refuge
IUCN IVBiological refuge
0.39 km² overlap
Lac Chenon Old-Growth Forest
IUCN IIIOld-growth forest
0.29 km² overlap
08351R096 Biological Refuge
IUCN IVBiological refuge
0.03 km² overlap
08152R080 Biological Refuge
IUCN IVBiological refuge
0.01 km² overlap
Island or peninsula inhabited by a colony of birds
0.00 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
124 distinct species · 307 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Marécageuse : 21 espèces reliées par 79 interactions GloBI sur 4 types (connectance 13.3%, filtre Serrano α=0.2). 14 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°
1,9°C
Annual rain
948mm
Moisture idx (CMI)
0,22
Runoff
490mm/an
PET
737mm
AET
601mm
Mean slope
2,3°
Water table
49cm
Forest
82%
Crops
0%
Urban
0%
Protected
1%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)