Prefectural Natural Park · jpn
Yubara okutsu
- Area
- 171 km²
- IUCN cat.
- V
- Year
- 2005
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2005
- Managing authority
- Okayama Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
620 distinct species · 1 528 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Yubara okutsu : 15 espèces reliées par 14 interactions GloBI sur 2 types (connectance 11.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 1 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
54,8km
Lake surface here
3,84km²
Basins crossed
3
Max stream order
3
Max drainage
2 229km²
Discharge in basins
3,8m³/s
Mean precip.
1 611mm/an
Mean T°
12,7°C
Moisture idx
0,36
Max snow
17%
Mean runoff
853mm/an
Mean elev. (basins)
367m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (18, ord ≥ 4)
- 旭川ord 4len here23.66 km19%total122 km
- 吉井川ord 5len here7.31 km7%total106 km
- 田羽根川ord 1len here3.58 km100%total4 km
- 中津河川ord 1len here2.82 km57%total5 km
- 羽出川ord 2len here2.75 km29%total10 km
- 赤和瀬川ord 1len here2.74 km73%total4 km
- 湯の谷川ord 1len here2.48 km76%total3 km
- 植杉川ord 2len here2.38 km60%total4 km
- 初和川ord 2len here1.79 km38%total5 km
- 鉄山川ord 2len here1.17 km9%total13 km
- 山乗川ord 1len here0.99 km77%total1 km
- 山田川ord 1len here0.88 km31%total3 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
- 35.21829, 133.73613
- 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.