Prefectural Natural Park · jpn
Yamizo
- Area
- 75 km²
- IUCN cat.
- V
- Year
- 1971
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1971
- Managing authority
- Tochigi Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
90 distinct species · 135 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 4 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 Yamizo : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 0 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
55,0km
Basins crossed
6
Max stream order
5
Max drainage
1 666km²
Discharge in basins
6,3m³/s
Mean precip.
1 454mm/an
Mean T°
11,8°C
Moisture idx
0,33
Max snow
16%
Mean runoff
731mm/an
Mean elev. (basins)
313m
Watersheds crossing here
Rivers / streams (21, ord ≥ 4)
- 那珂川ord 5len here15.21 km12%total131 km
- 箒川ord 5len here6.15 km12%total52 km
- 大川沢ord 1len here5.19 km74%total7 km
- 小口川ord 1len here4.34 km74%total6 km
- 武茂川ord 3len here3.78 km17%total22 km
- 余笹川ord 3len here3.68 km11%total33 km
- 野上川ord 3len here3.65 km52%total7 km
- 奈良川ord 2len here3.46 km34%total10 km
- 久那川ord 1len here2.16 km43%total5 km
- 三蔵川ord 2len here2.00 km34%total6 km
- 大和須川ord 1len here1.97 km53%total4 km
- 松葉川ord 2len here1.35 km17%total8 km
9 more river segmentssorted by Strahler order + length
- 権津川ord 1len here1.24 km12%total11 km
- 笹目川ord 1len here0.53 km32%total2 km
- 梓川ord 2len here0.20 km4%total5 km
- 那須疏水第一分水ord 1len here0.07 km1%total12 km
- 湯坂川ord 2len here0.01 km0%total7 km
- 檜沢ord 1len here≈ tangenttotal1 km
- 尻高田川ord 1len here≈ tangenttotal1 km
- 黒川ord 3len here≈ tangenttotal50 km
- 黒川発電所水路ord 2len here≈ tangenttotal6 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
- 36.86576, 140.16209
- 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.