HydroBASINS lev08 watershed · #7080315200
Bassin de Deuxième bras des Iroquois
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 : Le Domaine-du-Roy
Sub-basin area
574,8km²
Upstream area
16 326,7km²
Discharge
287,32m³/s
Mean elev.
226m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
1 dept-equivalent regions (GADM L2)
- 576.5 km²100.0% of basin
6 intersecting protected areas
Biodiversity reserve
26.62 km² overlap
02251R031 Biological Refuge
IUCN IVBiological refuge
6.19 km² overlap
Ecological reserve
1.01 km² overlap
Muskrat habitat
0.29 km² overlap
Muskrat habitat
0.09 km² overlap
Lac du Curé Heronry
IUCN VIHeronry
0.04 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
943 distinct species · 40 080 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 Deuxième bras des Iroquois : 24 espèces reliées par 80 interactions GloBI sur 4 types (connectance 13.4%, 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°
2,3°C
Annual rain
861mm
Moisture idx (CMI)
0,18
Runoff
504mm/an
PET
708mm
AET
569mm
Mean slope
2,0°
Water table
31cm
Forest
54%
Crops
9%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)