Prefectural Natural Park · jpn
Nagatoro tamayodo
- Area
- 155 km²
- IUCN cat.
- V
- Year
- 1951
Overview
- Designation
- Prefectural Natural Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1951
- Managing authority
- Saitama Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
1 549 distinct species · 10 075 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Nagatoro tamayodo : 26 espèces reliées par 45 interactions GloBI sur 5 types (connectance 8.0%, 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).
Hydrology5 basins · 0 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
42,8km
Basins crossed
5
Max stream order
4
Max drainage
6 349km²
Discharge in basins
5,8m³/s
Mean precip.
1 349mm/an
Mean T°
13,4°C
Moisture idx
0,22
Max snow
14%
Mean runoff
547mm/an
Mean elev. (basins)
222m
Watersheds crossing here
Rivers / streams (11, ord ≥ 4)
- 井戸沢川ord 4len here15.90 km98%total16 km
- 菅の平沢ord 1len here7.09 km67%total11 km
- 三沢川ord 1len here4.16 km100%total4 km
- 荒川ord 5len here3.90 km3%total143 km
- 日野沢川ord 1len here3.21 km78%total4 km
- 関谷沢ord 4len here2.32 km100%total2 km
- 定峰川ord 1len here2.02 km50%total4 km
- 赤平川ord 3len here1.82 km6%total29 km
- 館川ord 1len here1.23 km82%total1 km
- 杉沢ord 2len here0.76 km30%total2 km
- 槻川ord 2len here0.44 km4%total11 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
- 36.06869, 139.11773
- 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.