Prefectural Natural Park · jpn
Hanazono hananuki
- Area
- 245 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
- Ibaraki Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
839 distinct species · 2 083 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Hanazono hananuki : 31 espèces reliées par 43 interactions GloBI sur 3 types (connectance 5.8%, filtre Serrano α=0.2). 8 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 · 1 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
57,1km
Lake surface here
0,11km²
Basins crossed
3
Max stream order
3
Max drainage
1 481km²
Discharge in basins
1,9m³/s
Mean precip.
1 499mm/an
Mean T°
12,1°C
Moisture idx
0,39
Max snow
16%
Mean runoff
712mm/an
Mean elev. (basins)
297m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (14, ord ≥ 4)
- 大北川ord 3len here17.68 km78%total23 km
- 花園川ord 2len here10.59 km59%total18 km
- 中戸川ord 2len here8.44 km84%total10 km
- 花貫川ord 1len here6.26 km79%total8 km
- 四時川ord 2len here5.92 km23%total26 km
- 里川ord 3len here3.15 km6%total51 km
- 宿川ord 1len here1.86 km40%total5 km
- 才丸川ord 1len here1.75 km100%total2 km
- 里根川ord 1len here0.91 km60%total2 km
- 関根川ord 2len here0.30 km3%total10 km
- 江戸上川ord 2len here0.11 km5%total2 km
- 小石川ord 1len here0.11 km3%total4 km
2 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
- 36.81401, 140.58470
- 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.