HydroLAKES lake · #166905
Lac du Val-Joly
Surface area
1,15km²
Avg depth
3,9m
Volume
4,5km³
Shoreline
9,1km
Administrative coverage
1 dept-equivalent regions (GADM L2)
- NordHauts-de-France · France1.15 km²100.0% of lake
3 communes (L5)For countries with L5
- Eppe-Sauvage0.86 km²
- Willies0.27 km²
- Trélon0.02 km²
3 intersecting protected areas
Avesnois
IUCN VRegional Nature Park
1.15 km² overlap
Forêt, bocage, étangs de Thiérache
IUCN Not ReportedSpecial Protection Area (Birds Directive)
1.14 km² overlap
Special Areas of Conservation (Habitats Directive)
0.02 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
2 328 distinct species · 28 153 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 du Val-Joly : 17 espèces reliées par 114 interactions GloBI sur 5 types (connectance 28.1%, 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).
Lake statistics (HydroLAKES)
Surface
1,15km²
Avg depth
3,9m
Volume
4,500km³
Watershed
176km²
Shoreline
9,1km
Shore dev. idx
2,39
Residence time
28days
Elevation
175m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.