Forest Ecosystem Reserve · jpn
Kakkondagawa・Tamagawa Genryubu
- Area
- 93 km²
- IUCN cat.
- Ib
- Year
- 1991
Overview
- Designation
- Forest Ecosystem Reserve
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1991
- Managing authority
- Forestry Agency of Japan
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
474 distinct species · 871 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Kakkondagawa・Tamagawa Genryubu : 31 espèces reliées par 35 interactions GloBI sur 4 types (connectance 5.6%, filtre Serrano α=0.2). 5 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 · 0 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
20,4km
Basins crossed
3
Max stream order
3
Max drainage
1 201km²
Discharge in basins
2,9m³/s
Mean precip.
1 574mm/an
Mean T°
7,7°C
Moisture idx
0,48
Max snow
40%
Mean runoff
992mm/an
Mean elev. (basins)
591m
Watersheds crossing here
Rivers / streams (12, ord ≥ 4)
- 明通沢ord 2len here5.12 km41%total13 km
- 玉川ord 4len here4.21 km5%total79 km
- 障子倉沢ord 1len here3.58 km100%total4 km
- 戸繋沢ord 1len here1.48 km81%total2 km
- 北ノ又沢ord 1len here1.21 km94%total1 km
- 八瀬沢ord 1len here1.16 km100%total1 km
- 葛根田川ord 3len here1.11 km6%total18 km
- 中ノ又沢ord 1len here0.84 km94%total1 km
- 大石沢ord 3len here0.69 km8%total8 km
- 上湯の沢ord 1len here0.69 km100%total1 km
- 湯田又川ord 2len here0.32 km21%total2 km
- 湯田又沢ord 1len here≈ tangenttotal4 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
- 39.87226, 140.82934
- 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.