HydroLAKES lake · #14023
Bielersee
Surface area
37,59km²
Avg depth
16,4m
Volume
617,78km³
Shoreline
46,8km
Administrative coverage
4 dept-equivalent regions (GADM L2)
- NidauBern · Switzerland25.38 km²67.3% of lake
- ErlachBern · Switzerland11.76 km²31.2% of lake
- NeuchâtelNeuchâtel · Switzerland0.29 km²0.8% of lake
- BielBern · Switzerland0.27 km²0.7% of lake
7 intersecting protected areas
Federal Inventory of Reserves for Waterbirds and Migratory Birds of International and National Imp.
5.65 km² overlap
Heidenweg
IUCN IVFederal Inventory of Fenlands of National Importance
0.02 km² overlap
Hagneckdelta
IUCN IVFederal Inventory of Alluvial Zones of National Importance
0.01 km² overlap
Heidenweg/St. Petersinsel
IUCN IVFederal Inventory of Alluvial Zones of National Importance
0.01 km² overlap
Heideweg
IUCN IVFederal Inventory of Amphibian Spawning Areas of National Importance
0.01 km² overlap
Am See
IUCN IVFederal Inventory of Fenlands of National Importance
0.00 km² overlap
Täuffeler Riet
IUCN IVFederal Inventory of Fenlands of National Importance
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
3 307 distinct species · 56 095 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 41 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 Bielersee : 27 espèces reliées par 136 interactions GloBI sur 6 types (connectance 15.1%, filtre Serrano α=0.2). 16 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
37,59km²
Avg depth
16,4m
Volume
617,780km³
Watershed
7 858km²
Shoreline
46,8km
Shore dev. idx
2,15
Residence time
34days
Elevation
425m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.