Prefectural Natural Park · jpn
Okukuma
- Area
- 131 km²
- IUCN cat.
- V
- Year
- 1998
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1998
- Managing authority
- Kumamoto Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
253 distinct species · 591 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Okukuma : 19 espèces reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, 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).
Hydrology4 basins · 1 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
66,4km
Lake surface here
1,02km²
Basins crossed
4
Max stream order
3
Max drainage
2 152km²
Discharge in basins
6,6m³/s
Mean precip.
2 790mm/an
Mean T°
13,4°C
Moisture idx
0,63
Max snow
13%
Mean runoff
1 607mm/an
Mean elev. (basins)
567m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (18, ord ≥ 4)
- 球磨川ord 5len here19.70 km17%total113 km
- 都川ord 2len here11.80 km87%total14 km
- 湯山川ord 2len here4.78 km100%total5 km
- 平谷川ord 1len here4.24 km97%total4 km
- 舟石谷川ord 2len here3.82 km100%total4 km
- 牧良川ord 1len here3.58 km100%total4 km
- 大平川ord 1len here3.30 km100%total3 km
- 柳橋川ord 3len here2.93 km30%total10 km
- 百太郎溝ord 3len here2.39 km27%total9 km
- 北目川ord 1len here2.22 km100%total2 km
- 仁原川ord 1len here2.04 km39%total5 km
- 蓑谷川ord 1len here1.37 km100%total1 km
6 more river segmentssorted by Strahler order + length
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
- 32.30088, 131.04257
- 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.