HydroLAKES lake · #1381
Biwa
Surface area
673,48km²
Avg depth
41,6m
Volume
28 000km³
Shoreline
234,7km
Administrative coverage
11 dept-equivalent regions (GADM L2)
7 intersecting protected areas
Biwako
IUCN IVPrefectural Wildlife Protection Area
671.79 km² overlap
Biwako
IUCN VQuasi National Park
671.28 km² overlap
Biwa-ko
IUCN Not ReportedWetland of International Importance (Ramsar Site)
644.52 km² overlap
Habitat Protection Area(Shiga)
0.03 km² overlap
Shinasahicho Suganuma
IUCN IVPrefectural Wildlife Protection Area
0.01 km² overlap
Habitat Protection Area(Shiga)
0.00 km² overlap
Hamabunnuma
IUCN IVPrefectural Wildlife Protection Area
0.00 km² overlap
Computed live · HydroLAKES × GADM × WDPA · cached after first hit.
Species present
1 138 distinct species · 11 609 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Biwa : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 2 types (connectance 9.9%, 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
673,48km²
Avg depth
41,6m
Volume
28 000,000km³
Watershed
3 672km²
Shoreline
234,7km
Shore dev. idx
2,55
Residence time
2 897days
Elevation
81m
HydroLAKES v1.0 (Messager et al. 2016) · 1.4M lacs ≥ 0.1 km² mondialement.