Forest Ecosystem Reserve · jpn
Tonegawa Genryubu・Hiuchigatake Shuhen
- Area
- 201 km²
- IUCN cat.
- Ib
- Year
- 1989
Overview
- Designation
- Forest Ecosystem Reserve
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 1989
- Managing authority
- Forestry Agency of Japan
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
430 distinct species · 1 068 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 7 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 Tonegawa Genryubu・Hiuchigatake Shuhen : 7 espèces reliées par 4 interactions GloBI sur 2 types (connectance 19.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 1 lakes · 27 rivers
Hydrology metrics for this exact territory
Stream length here
62,4km
Lake surface here
0,00km²
Basins crossed
3
Max stream order
3
Max drainage
1 507km²
Discharge in basins
7,0m³/s
Mean precip.
1 901mm/an
Mean T°
7,8°C
Moisture idx
0,56
Max snow
46%
Mean runoff
1 125mm/an
Mean elev. (basins)
1 028m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (27, ord ≥ 4)
- 利根川ord 6len here9.33 km3%total275 km
- 三国川ord 4len here4.81 km21%total23 km
- 小穂口沢ord 1len here4.81 km97%total5 km
- 水長沢ord 3len here4.49 km91%total5 km
- コツナギ沢ord 2len here4.43 km79%total6 km
- 三ッ石小沢ord 2len here3.26 km100%total3 km
- 大白沢ord 2len here2.87 km43%total7 km
- 下津川ord 1len here2.84 km34%total8 km
- マキバ沢川ord 2len here2.57 km100%total3 km
- 栃ノ木沢ord 1len here2.48 km100%total2 km
- 只見川ord 5len here2.34 km2%total95 km
- 荒山沢ord 1len here2.22 km100%total2 km
15 more river segmentssorted by Strahler order + length
- トゴトウジ沢ord 1len here2.08 km100%total2 km
- クロウ沢ord 2len here1.89 km100%total2 km
- 内膳沢ord 1len here1.88 km100%total2 km
- アサユウ沢ord 1len here1.84 km100%total2 km
- 斧尻与作沢ord 3len here1.77 km37%total5 km
- 水鉛沢川ord 1len here1.52 km100%total2 km
- 小沢ord 2len here1.37 km70%total2 km
- 本谷ord 1len here1.26 km100%total1 km
- 文神沢ord 1len here1.15 km100%total1 km
- 幽の沢ord 1len here0.67 km16%total4 km
- 割沢ord 3len here0.19 km8%total2 km
- 赤倉沢ord 1len here0.15 km13%total1 km
- トクサ沢ord 3len here0.12 km2%total7 km
- 高石沢ord 3len here0.03 km3%total1 km
- 上台倉沢ord 3len here0.02 km1%total3 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
- 37.00004, 139.12879
- 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.