HydroLAKES lake · #159129
Opoftevann
Surface area
1,1km²
Avg depth
19,1m
Volume
21,08km³
Shoreline
12km
Administrative coverage
2 dept-equivalent regions (GADM L2)
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
883 distinct species · 9 803 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 40 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 Opoftevann : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 5 types (connectance 9.0%, 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
1,10km²
Avg depth
19,1m
Volume
21,080km³
Watershed
30km²
Shoreline
12,0km
Shore dev. idx
3,23
Residence time
141days
Elevation
56m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.