HydroLAKES lake · #159383
Narven
Surface area
2,12km²
Avg depth
7,1m
Volume
15,07km³
Shoreline
12,6km
Administrative coverage
2 dept-equivalent regions (GADM L2)
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 958 distinct species · 10 239 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Narven : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 4 types (connectance 8.4%, filtre Serrano α=0.2). 10 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
2,12km²
Avg depth
7,1m
Volume
15,070km³
Watershed
18km²
Shoreline
12,6km
Shore dev. idx
2,43
Residence time
1 745days
Elevation
181m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.