Ontologia

Prefectural Wildlife Protection Area · JPN

Biwako

IV · Aire d'habitats / espèces729 km²Established 2021
Key facts
Area
729 km²
IUCN cat.
IV
Year
2021

Overview

Designation
Prefectural Wildlife Protection Area
IUCN category
IV · Aire d'habitats / espèces

Gestion active pour maintenir habitats / espèces particuliers

Established
2021
Managing authority
Shiga Prefecture

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

1 403 distinct species · 19 932 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 33 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Biwako : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 63 interactions GloBI sur 2 types (connectance 9.5%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
63
Connectance
0.095
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology5 basins · 3 lakes · 50 rivers

Hydrology metrics for this exact territory

Stream length here

199,4km

Lake surface here

673,55km²

Basins crossed

5

Max stream order

5

Max drainage

4 202km²

Discharge in basins

86,2m³/s

Mean precip.

1 896mm/an

Mean T°

13,3°C

Moisture idx

0,49

Max snow

14%

Mean runoff

1 163mm/an

Mean elev. (basins)

296m

Rivers / streams (50, ord ≥ 4)

38 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
35.25478, 136.09070
Open in maps
OpenStreetMap → · Satellite

Species observed (Phase 2)

Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.