HydroLAKES lake · #12129
Feren
Surface area
25,74km²
Avg depth
24,4m
Volume
627,3km³
Shoreline
32,9km
Administrative coverage
2 dept-equivalent regions (GADM L2)
4 intersecting protected areas
Øvre Forra
IUCN IaWetland of International Importance (Ramsar Site)
1.34 km² overlap
Øvre Forra
IUCN Not ReportedEmerald Network
1.34 km² overlap
Øvre Forra
IUCN IaNature Reserve
1.34 km² overlap
Feren
IUCN IaNature Reserve
0.05 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
103 distinct species · 546 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 39 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 Feren : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 9 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
25,74km²
Avg depth
24,4m
Volume
627,300km³
Watershed
309km²
Shoreline
32,9km
Shore dev. idx
1,83
Residence time
771days
Elevation
405m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.