Prefectural Natural Park · JPN
Tanzawa oyama
- Area
- 113 km²
- IUCN cat.
- V
- Year
- 1997
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1997
- Managing authority
- Kanagawa Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 084 distinct species · 3 801 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 Tanzawa oyama : 26 espèces reliées par 29 interactions GloBI sur 2 types (connectance 7.1%, filtre Serrano α=0.2). 3 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 · 1 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
33,5km
Lake surface here
3,70km²
Basins crossed
3
Max stream order
3
Max drainage
1 660km²
Discharge in basins
3,0m³/s
Mean precip.
1 772mm/an
Mean T°
11,9°C
Moisture idx
0,44
Max snow
10%
Mean runoff
922mm/an
Mean elev. (basins)
621m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (14, ord ≥ 4)
- 水木沢ord 2len here4.34 km92%total5 km
- 大又沢ord 1len here3.96 km89%total4 km
- 小鮎川ord 2len here3.90 km28%total14 km
- 中津川ord 3len here3.34 km41%total8 km
- 河内川ord 3len here3.11 km16%total19 km
- 水の木沢ord 1len here2.75 km100%total3 km
- 大棚沢ord 1len here2.74 km100%total3 km
- 谷太郎川ord 1len here2.73 km100%total3 km
- 土沢ord 1len here2.30 km100%total2 km
- 早戸川ord 2len here2.00 km22%total9 km
- 南沢ord 3len here1.87 km9%total22 km
- 金目川ord 3len here0.42 km5%total8 km
2 more river segmentssorted by Strahler order + length
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
- 35.44016, 138.97742
- 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.