Prefectural Natural Park · jpn
hiki gawa
- Area
- 35 km²
- IUCN cat.
- V
- Year
- 2020
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2020
- Managing authority
- Wakayama Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
74 distinct species · 109 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 2 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 hiki gawa : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology1 basins · 0 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
36,9km
Basins crossed
1
Max stream order
4
Max drainage
1 331km²
Discharge in basins
0,3m³/s
Mean precip.
2 363mm/an
Mean T°
15,3°C
Moisture idx
0,60
Max snow
12%
Mean runoff
1 525mm/an
Mean elev. (basins)
272m
Watersheds crossing here
Rivers / streams (12, ord ≥ 4)
- 日置川ord 4len here21.63 km37%total59 km
- 熊野川ord 2len here7.73 km37%total21 km
- 洞の谷ord 4len here3.29 km85%total4 km
- 将軍川ord 2len here1.07 km9%total12 km
- ドン谷ord 1len here1.00 km73%total1 km
- 深谷川ord 1len here0.50 km31%total2 km
- 西大谷谷ord 1len here0.40 km42%total1 km
- 川原谷川ord 1len here0.39 km30%total1 km
- 前ノ川ord 2len here0.39 km7%total6 km
- 上の谷川ord 1len here0.29 km15%total2 km
- 矢ヶ谷ord 1len here0.16 km2%total10 km
- 三毛川ord 1len here0.08 km3%total3 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
- 33.66376, 135.52143
- 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.