Forest Ecosystem Reserve · jpn
Asahi Sanchi
- Area
- 700 km²
- IUCN cat.
- Ib
- Year
- 2003
Overview
- Designation
- Forest Ecosystem Reserve
- IUCN category
- Ib · Zone de nature sauvage
Aire protégée pour la wilderness, faible accès humain
- Established
- 2003
- Managing authority
- Forestry Agency of Japan
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
703 distinct species · 2 147 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 9 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 Asahi Sanchi : 6 espèces reliées par 8 interactions GloBI sur 4 types (connectance 22.2%, 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).
Hydrology5 basins · 4 lakes · 53 rivers
Hydrology metrics for this exact territory
Stream length here
185,1km
Lake surface here
0,13km²
Basins crossed
5
Max stream order
4
Max drainage
2 145km²
Discharge in basins
24,9m³/s
Mean precip.
1 875mm/an
Mean T°
9,6°C
Moisture idx
0,54
Max snow
40%
Mean runoff
1 080mm/an
Mean elev. (basins)
494m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (53, ord ≥ 4)
- 三面川ord 4len here18.12 km36%total51 km
- 荒川ord 4len here11.74 km16%total74 km
- 八久和川ord 2len here10.39 km83%total13 km
- 赤川ord 4len here9.59 km12%total79 km
- 湯屋俣川ord 2len here8.28 km59%total14 km
- 出合川ord 2len here8.06 km100%total8 km
- 金目川ord 2len here7.17 km40%total18 km
- マヤマ沢ord 2len here6.72 km96%total7 km
- 黒俣沢ord 2len here6.70 km100%total7 km
- 水上沢ord 1len here5.84 km100%total6 km
- 根子川ord 2len here4.93 km54%total9 km
- 末沢川ord 2len here4.75 km27%total18 km
41 more river segmentssorted by Strahler order + length
- 猿田川ord 3len here4.64 km58%total8 km
- ヌルマタ川ord 2len here4.50 km100%total5 km
- 石黒沢ord 2len here4.34 km67%total6 km
- 横山沢ord 2len here4.16 km100%total4 km
- 竹ノ沢ord 2len here4.09 km100%total4 km
- 小国沢ord 2len here3.49 km100%total3 km
- 朝日川ord 3len here3.37 km19%total18 km
- 楢山沢ord 1len here3.14 km100%total3 km
- 小沢ord 1len here3.00 km80%total4 km
- 大桧原川ord 3len here2.98 km33%total9 km
- 置賜野川ord 3len here2.89 km11%total26 km
- 見附川ord 2len here2.53 km33%total8 km
- 泥又川ord 1len here2.46 km69%total4 km
- 以東沢ord 1len here2.45 km100%total2 km
- 岩井沢ord 1len here2.27 km94%total2 km
- 東俣沢ord 1len here2.19 km100%total2 km
- フスベ沢ord 1len here2.09 km100%total2 km
- 梵字川ord 4len here2.08 km12%total17 km
- 西俣沢ord 1len here1.93 km100%total2 km
- シノマタ沢ord 2len here1.90 km100%total2 km
- 大留沢ord 1len here1.87 km100%total2 km
- 柴倉沢ord 1len here1.82 km87%total2 km
- 長沢ord 1len here1.72 km100%total2 km
- 皿渕沢ord 1len here1.61 km100%total2 km
- 金堀沢ord 1len here1.35 km100%total1 km
- 中俣沢ord 1len here1.28 km100%total1 km
- 茶畑沢ord 1len here1.27 km100%total1 km
- 北ノ沢ord 1len here1.27 km100%total1 km
- 三ノ沢ord 1len here1.27 km11%total12 km
- 大井沢川ord 1len here1.26 km22%total6 km
- 白滝沢ord 1len here1.25 km100%total1 km
- シッパ沢ord 1len here1.25 km100%total1 km
- 平七沢ord 1len here1.01 km100%total1 km
- 明沢川ord 3len here0.97 km6%total18 km
- 北沢ord 1len here0.91 km100%total1 km
- 綻沢ord 2len here0.68 km49%total1 km
- 赤イ沢ord 1len here0.55 km99%total1 km
- 石跳川ord 2len here0.39 km9%total4 km
- 小桧原川ord 3len here0.35 km5%total8 km
- 大越川ord 2len here0.15 km3%total5 km
- 湯沢ord 1len here0.14 km26%total1 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
- 38.32262, 139.77314
- 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.