Biocenosis Protected Forest · JPN
Hachimantai
- Area
- 103 km²
- IUCN cat.
- IV
- Year
- 2018
Overview
- Designation
- Biocenosis Protected Forest
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2018
- Managing authority
- Forestry Agency of Japan
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
415 distinct species · 972 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Hachimantai : 25 espèces reliées par 31 interactions GloBI sur 4 types (connectance 7.6%, filtre Serrano α=0.2). 4 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 · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
12,2km
Basins crossed
5
Max stream order
2
Max drainage
2 050km²
Discharge in basins
2,9m³/s
Mean precip.
1 518mm/an
Mean T°
7,6°C
Moisture idx
0,47
Max snow
40%
Mean runoff
905mm/an
Mean elev. (basins)
578m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- 湯田又沢ord 1len here3.24 km79%total4 km
- 藤七沢ord 1len here2.87 km100%total3 km
- 北ノ又川ord 2len here1.95 km28%total7 km
- 安比川ord 3len here1.74 km4%total49 km
- 智恵ノ沢ord 1len here1.20 km23%total5 km
- 赤川ord 4len here1.05 km4%total24 km
- 倉形沢ord 1len here0.20 km8%total2 km
- 松川ord 4len here≈ tangenttotal42 km
- 湯田又川ord 2len here≈ tangenttotal2 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
- 39.97159, 140.86915
- 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.