Quasi National Park · jpn
Myogi-Arafune-Sakukogen
- Area
- 142 km²
- IUCN cat.
- V
- Year
- 1969
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1969
- Managing authority
- Gunma and Nagano Prefectures
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
846 distinct species · 2 244 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 38 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 Myogi-Arafune-Sakukogen : 34 espèces reliées par 37 interactions GloBI sur 6 types (connectance 5.3%, 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).
Hydrology2 basins · 0 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
9,7km
Basins crossed
2
Max stream order
2
Max drainage
1 784km²
Discharge in basins
1,8m³/s
Mean precip.
1 316mm/an
Mean T°
10,3°C
Moisture idx
0,24
Max snow
8%
Mean runoff
654mm/an
Mean elev. (basins)
745m
Watersheds crossing here
Rivers / streams (9, ord ≥ 4)
- 花岡沢ord 1len here2.55 km20%total13 km
- 熊倉川ord 1len here2.02 km100%total2 km
- 中木川ord 1len here1.93 km69%total3 km
- 馬坂川ord 1len here1.88 km56%total3 km
- 南牧川ord 2len here0.93 km4%total22 km
- 入山川ord 2len here0.36 km5%total7 km
- 抜井川ord 2len here≈ tangenttotal15 km
- 狐沢ord 1len here≈ tangenttotal9 km
- 市野萱川ord 2len here≈ tangenttotal8 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
- 36.21126, 138.63830
- 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.