Prefectural Natural Park · jpn
Okawa hatori
- Area
- 167 km²
- IUCN cat.
- V
- Year
- 1953
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1953
- Managing authority
- Fukushima Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
604 distinct species · 1 240 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 Okawa hatori : 21 espèces reliées par 28 interactions GloBI sur 5 types (connectance 8.0%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology3 basins · 2 lakes · 18 rivers
Hydrology metrics for this exact territory
Stream length here
75,9km
Lake surface here
2,65km²
Basins crossed
3
Max stream order
4
Max drainage
2 914km²
Discharge in basins
4,4m³/s
Mean precip.
1 551mm/an
Mean T°
9,1°C
Moisture idx
0,42
Max snow
28%
Mean runoff
835mm/an
Mean elev. (basins)
701m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (18, ord ≥ 4)
- 阿賀川ord 6len here24.45 km21%total115 km
- 鶴沼川ord 3len here16.70 km80%total21 km
- 河内川ord 1len here7.31 km98%total7 km
- 二俣川ord 1len here6.53 km100%total7 km
- 余松沢川ord 4len here3.53 km100%total4 km
- 小野川ord 1len here3.47 km58%total6 km
- 和貢川ord 4len here2.52 km100%total3 km
- 観音川ord 4len here2.00 km16%total13 km
- 沢川ord 4len here1.82 km30%total6 km
- 板小屋川ord 1len here1.81 km64%total3 km
- 隈川ord 1len here1.31 km39%total3 km
- 白松沢ord 1len here1.18 km63%total2 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
- 37.32481, 139.89396
- 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.