HydroLAKES lake · #13534
Heegermeer
Surface area
20,15km²
Avg depth
1m
Volume
20,15km³
Shoreline
48,1km
Administrative coverage
2 dept-equivalent regions (GADM L2)
- Súdwest-FryslânFryslân · Netherlands17.25 km²85.3% of lake
- De Fryske MarrenFryslân · Netherlands2.98 km²14.7% of lake
5 intersecting protected areas
NNN-FR
IUCN Not AssignedNature Reserves owned by professional nature management organizations
20.06 km² overlap
Wetland of International Importance (Ramsar Site)
13.49 km² overlap
Nature Conservation Act
13.49 km² overlap
Oudegaasterbrekken, Fluessen en omgeving
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive)
13.49 km² overlap
Oudegaasterbrekken, Fluessen en omgeving
IUCN Not ReportedSpecial Protection Area (Birds Directive)
13.48 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
2 630 distinct species · 82 203 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Heegermeer : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 6 types (connectance 20.7%, 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
20,15km²
Avg depth
1,0m
Volume
20,150km³
Watershed
114km²
Shoreline
48,1km
Shore dev. idx
3,02
Residence time
124days
Elevation
-2m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.