HydroLAKES lake · #8323
Lac Dufresnoy
Surface area
13,51km²
Avg depth
8,2m
Volume
110,5km³
Shoreline
52,2km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Rouyn-NorandaQuébec · Canada13.55 km²100.0% of lake
3 intersecting protected areas
Lac Dufresnoy Heronry
IUCN VIHeronry
0.23 km² overlap
Rare forest ecosystem
0.01 km² overlap
Island or peninsula inhabited by a colony of birds
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
250 distinct species · 11 293 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Lac Dufresnoy : 26 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 87 interactions GloBI sur 3 types (connectance 13.1%, 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).
Lake statistics (HydroLAKES)
Surface
13,51km²
Avg depth
8,2m
Volume
110,500km³
Watershed
90km²
Shoreline
52,2km
Shore dev. idx
4,00
Residence time
968days
Elevation
274m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.