HydroBASINS lev08 watershed · #7080032920
Bassin de Rivière du Porc-Épic
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 : Minganie--Basse-Côte-Nord
Sub-basin area
423km²
Upstream area
423,1km²
Discharge
12,23m³/s
Mean elev.
99m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- 424.4 km²100.0% of basin
2 intersecting protected areas
Land reserved for protected area
224.21 km² overlap
Proposed biodiversity reserve
39.95 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
119 distinct species · 173 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 25 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 du Porc-Épic : 19 espèces reliées par 43 interactions GloBI sur 3 types (connectance 14.3%, filtre Serrano α=0.2). 6 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°
0,9°C
Annual rain
1 130mm
Moisture idx (CMI)
0,54
Runoff
959mm/an
PET
522mm
AET
512mm
Mean slope
3,2°
Water table
68cm
Forest
26%
Crops
0%
Urban
0%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)