Quasi National Park · jpn
Tsurugisan
- Area
- 209 km²
- IUCN cat.
- V
- Year
- 1986
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1986
- Managing authority
- Tokushima and Kochi Prefectures
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 074 distinct species · 4 379 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 3 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 Tsurugisan : 3 espèces reliées par 2 interactions GloBI sur 2 types (connectance 66.7%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 1 lakes · 13 rivers
Hydrology metrics for this exact territory
Stream length here
46,3km
Lake surface here
0,53km²
Basins crossed
6
Max stream order
4
Max drainage
2 460km²
Discharge in basins
13,6m³/s
Mean precip.
2 148mm/an
Mean T°
11,4°C
Moisture idx
0,60
Max snow
22%
Mean runoff
1 506mm/an
Mean elev. (basins)
816m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (13, ord ≥ 4)
- 松尾川ord 2len here14.60 km49%total30 km
- 祖谷川ord 5len here10.49 km29%total36 km
- 吉野川ord 5len here6.28 km4%total179 km
- 那賀川ord 4len here5.90 km6%total95 km
- 物部川ord 4len here2.86 km4%total64 km
- 槍戸川ord 1len here2.64 km62%total4 km
- 四ッ小屋谷川ord 2len here1.61 km42%total4 km
- 坂州木頭川ord 3len here1.01 km9%total11 km
- 穴吹川ord 3len here0.82 km2%total43 km
- 赤滝谷川ord 1len here0.10 km2%total6 km
- 白川谷川ord 2len here0.02 km0%total7 km
- 片川ord 2len here≈ tangenttotal10 km
1 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
- 33.83123, 134.00263
- 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.