Prefectural Natural Park · jpn
Takahashi gawa Joryu
- Area
- 140 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
998 distinct species · 3 338 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 5 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 Takahashi gawa Joryu : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, 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).
Hydrology2 basins · 2 lakes · 28 rivers
Hydrology metrics for this exact territory
Stream length here
82,0km
Lake surface here
2,58km²
Basins crossed
2
Max stream order
4
Max drainage
2 640km²
Discharge in basins
2,6m³/s
Mean precip.
1 577mm/an
Mean T°
12,4°C
Moisture idx
0,37
Max snow
14%
Mean runoff
754mm/an
Mean elev. (basins)
426m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (28, ord ≥ 4)
- 成羽川ord 4len here18.12 km30%total60 km
- 高梁川ord 5len here17.17 km22%total79 km
- 佐伏川ord 4len here9.20 km91%total10 km
- 小坂部川ord 3len here6.89 km24%total28 km
- 島木川ord 2len here6.22 km54%total12 km
- 有漢川ord 4len here3.42 km19%total18 km
- 梶平谷川ord 1len here3.31 km35%total9 km
- 入谷川ord 2len here3.06 km87%total4 km
- 領家川ord 2len here2.86 km29%total10 km
- 馬神谷川ord 4len here1.96 km47%total4 km
- 布瀬川ord 1len here1.67 km95%total2 km
- 正信川ord 1len here1.56 km83%total2 km
16 more river segmentssorted by Strahler order + length
- 小谷川ord 1len here1.35 km90%total2 km
- 下郷川ord 1len here1.03 km46%total2 km
- 長谷川ord 2len here0.81 km29%total3 km
- 小田川ord 5len here0.69 km1%total60 km
- 大砂利谷ord 1len here0.63 km17%total4 km
- 権見谷川ord 1len here0.49 km9%total5 km
- 大谷川ord 3len here0.41 km6%total7 km
- 福地川ord 4len here0.32 km54%total1 km
- 井谷川ord 4len here0.29 km6%total5 km
- 日名川ord 1len here0.17 km3%total6 km
- 備中川ord 2len here0.13 km1%total18 km
- 大栢川ord 1len here0.09 km3%total3 km
- 弓成谷川ord 1len here0.07 km2%total4 km
- 佐与谷川ord 3len here0.04 km1%total4 km
- 河戸川ord 1len here≈ tangenttotal7 km
- 日水谷川ord 1len here≈ tangenttotal1 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
- 34.84958, 133.43641
- 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.