Quasi National Park · jpn
Biwako
- Area
- 965 km²
- IUCN cat.
- V
- Year
- 1950
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1950
- Managing authority
- Shiga and Kyoto Prefectures
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 727 distinct species · 18 976 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Biwako : 23 espèces reliées par 57 interactions GloBI sur 2 types (connectance 10.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology8 basins · 4 lakes · 67 rivers
Hydrology metrics for this exact territory
Stream length here
236,8km
Lake surface here
675,11km²
Basins crossed
8
Max stream order
5
Max drainage
4 202km²
Discharge in basins
128,9m³/s
Mean precip.
1 894mm/an
Mean T°
13,3°C
Moisture idx
0,49
Max snow
17%
Mean runoff
1 158mm/an
Mean elev. (basins)
296m
Watersheds crossing here
- Bassin de 愛知川sub-area2 540,3 km²overlap730.35 km²76%
- Bassin de 大戸川sub-area818,5 km²overlap133.79 km²14%
- Bassin de 大谷川sub-area68,9 km²overlap59.61 km²6%
- Bassin de 日野川sub-area357,8 km²overlap24.27 km²3%
- Bassin de 桂川sub-area1 168,8 km²overlap8.41 km²1%
- Bassin de 揖斐川sub-area1 839,1 km²overlap3.96 km²0%
- Bassin de 野洲川sub-area416,8 km²overlap2.28 km²0%
- Bassin de 南川sub-area1 711,6 km²overlap2.21 km²0%
Lakes (4, top by area)
Rivers / streams (67, ord ≥ 4)
- 田川ord 4len here30.09 km68%total44 km
- 川道川ord 4len here20.80 km100%total21 km
- 安食川ord 2len here14.06 km67%total21 km
- 瀬田川ord 5len here12.85 km66%total20 km
- 鴨川ord 4len here9.76 km34%total28 km
- 柳川ord 2len here9.73 km92%total11 km
- 大同川ord 2len here9.00 km64%total14 km
- 草津川ord 5len here7.23 km38%total19 km
- 鵜川ord 1len here7.00 km100%total7 km
- 愛知川ord 4len here6.51 km12%total53 km
- 南川ord 3len here6.44 km32%total20 km
- 河内谷ord 1len here5.33 km100%total5 km
55 more river segmentssorted by Strahler order + length
- 大谷川ord 1len here5.16 km22%total23 km
- 真野川ord 1len here4.99 km41%total12 km
- 川原谷ord 1len here4.83 km63%total8 km
- 阪畑川ord 2len here4.72 km100%total5 km
- 和迩川ord 2len here4.47 km42%total11 km
- 宇治川ord 6len here4.44 km42%total10 km
- 日野川ord 3len here4.35 km10%total45 km
- 天川ord 1len here4.01 km50%total8 km
- 大石川ord 5len here3.96 km51%total8 km
- 多羅川ord 5len here3.54 km72%total5 km
- 姉川ord 4len here3.40 km11%total32 km
- 芹川ord 2len here2.80 km37%total7 km
- 石田川ord 2len here2.63 km29%total9 km
- 大川ord 3len here2.56 km16%total16 km
- 足俣川ord 2len here2.51 km41%total6 km
- 野洲川ord 4len here2.35 km5%total49 km
- 余呉川ord 2len here2.31 km25%total9 km
- 大倉川ord 1len here2.22 km28%total8 km
- 不動川ord 1len here2.18 km38%total6 km
- 比良川ord 1len here2.07 km49%total4 km
- 長命寺川ord 1len here2.07 km58%total4 km
- 八王寺川ord 1len here1.93 km41%total5 km
- 中ノ川ord 1len here1.88 km70%total3 km
- 蛇砂川ord 1len here1.66 km7%total23 km
- 八幡川ord 1len here1.60 km44%total4 km
- 藤ノ木川ord 1len here1.57 km43%total4 km
- 南谷川ord 1len here1.44 km40%total4 km
- 余呉川導水路ord 2len here1.27 km30%total4 km
- 丹生川ord 2len here1.26 km21%total6 km
- 葉山川ord 5len here1.15 km14%total8 km
- 野瀬川ord 3len here1.12 km7%total16 km
- 早川ord 2len here1.09 km10%total11 km
- 板名古川ord 1len here1.08 km24%total4 km
- 林照寺川ord 1len here1.00 km48%total2 km
- 野離子川ord 1len here0.95 km100%total1 km
- 雄琴川ord 1len here0.84 km30%total3 km
- 深町川ord 2len here0.84 km22%total4 km
- 針江大川ord 1len here0.84 km62%total1 km
- 安土川ord 2len here0.65 km35%total2 km
- 大浦川ord 2len here0.61 km22%total3 km
- 上郷川ord 2len here0.58 km10%total6 km
- 丁野木川ord 1len here0.57 km100%total1 km
- 十禅寺川ord 5len here0.50 km83%total1 km
- 志津川ord 1len here0.49 km10%total5 km
- 斧研川ord 1len here0.34 km20%total2 km
- 殿田川ord 5len here0.30 km12%total3 km
- 盛越川ord 2len here0.28 km6%total4 km
- 天野川ord 3len here0.21 km1%total22 km
- 磯川ord 1len here0.20 km3%total6 km
- 三田川ord 2len here0.10 km11%total1 km
- 法竜川ord 1len here0.03 km0%total6 km
- 田原川ord 3len here0.02 km0%total24 km
- 信楽川ord 2len here≈ tangenttotal15 km
- 前川ord 5len here≈ tangenttotal12 km
- 狼川ord 1len here≈ tangenttotal1 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 35.20098, 136.01543
- 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.