Quasi National Park · jpn
Tanzawa-Oyama
- Area
- 276 km²
- IUCN cat.
- V
- Year
- 1965
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1965
- Managing authority
- Kanagawa Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 729 distinct species · 33 425 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Tanzawa-Oyama : 31 espèces reliées par 37 interactions GloBI sur 5 types (connectance 5.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 2 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
64,0km
Lake surface here
2,21km²
Basins crossed
3
Max stream order
3
Max drainage
1 660km²
Discharge in basins
6,7m³/s
Mean precip.
1 744mm/an
Mean T°
12,0°C
Moisture idx
0,43
Max snow
10%
Mean runoff
909mm/an
Mean elev. (basins)
597m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (23, ord ≥ 4)
- 河内川ord 3len here15.04 km79%total19 km
- 玄倉川ord 2len here8.52 km100%total9 km
- 早戸川ord 2len here7.18 km78%total9 km
- 中津川ord 3len here4.77 km59%total8 km
- 神ノ川ord 1len here4.35 km97%total5 km
- 布川ord 2len here3.04 km100%total3 km
- 本谷川ord 1len here2.79 km100%total3 km
- 水無川ord 2len here2.49 km19%total13 km
- 鍋割沢ord 1len here1.70 km100%total2 km
- 中川川（河内川）ord 1len here1.62 km100%total2 km
- 中ノ沢ord 1len here1.62 km100%total2 km
- 濁沢ord 2len here1.60 km14%total12 km
11 more river segmentssorted by Strahler order + length
- 中津川ord 2len here1.44 km18%total8 km
- 唐沢川ord 1len here1.29 km100%total1 km
- 地獄沢ord 1len here1.16 km100%total1 km
- 宮ヶ瀬金沢ord 1len here1.07 km100%total1 km
- 熊木沢ord 1len here0.90 km100%total1 km
- 桝小屋沢ord 1len here0.90 km100%total1 km
- 鈴川ord 1len here0.77 km3%total22 km
- 藤熊川ord 1len here0.57 km100%total1 km
- 大又沢ord 1len here0.49 km11%total4 km
- 子ツ沢ord 2len here0.38 km2%total17 km
- 水木沢ord 2len here0.35 km7%total5 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
- 35.47827, 139.13998
- 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.