Prefectural Wildlife Protection Area · jpn
Yunotani okutadamiko
- Area
- 365 km²
- IUCN cat.
- IV
- Year
- 2013
Overview
- Designation
- Prefectural Wildlife Protection Area
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2013
- Managing authority
- Niigata Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
459 distinct species · 984 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 16 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 Yunotani okutadamiko : 11 espèces reliées par 12 interactions GloBI sur 5 types (connectance 10.0%, filtre Serrano α=0.2). 5 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 · 43 rivers
Hydrology metrics for this exact territory
Stream length here
123,7km
Lake surface here
7,77km²
Basins crossed
3
Max stream order
4
Max drainage
1 507km²
Discharge in basins
15,8m³/s
Mean precip.
1 951mm/an
Mean T°
8,0°C
Moisture idx
0,58
Max snow
46%
Mean runoff
1 273mm/an
Mean elev. (basins)
966m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (43, ord ≥ 4)
- 黒又川ord 2len here17.02 km64%total27 km
- 北ノ又川ord 4len here13.37 km77%total17 km
- 只見川ord 5len here11.22 km12%total95 km
- 恋ノ岐川ord 1len here7.68 km100%total8 km
- 中ノ岐川ord 3len here5.91 km100%total6 km
- 兎沢ord 2len here4.22 km100%total4 km
- 灰ノ又沢ord 2len here4.06 km100%total4 km
- 藤原沢ord 1len here3.79 km100%total4 km
- 大白沢ord 2len here3.48 km52%total7 km
- 本沢ord 1len here3.48 km100%total3 km
- 赤柴沢ord 1len here3.40 km100%total3 km
- 毛猛沢ord 1len here3.40 km81%total4 km
31 more river segmentssorted by Strahler order + length
- 骨投沢ord 2len here3.03 km73%total4 km
- 西沢ord 3len here2.98 km26%total12 km
- 羽根川ord 3len here2.71 km15%total18 km
- 灰ノ又川ord 1len here2.48 km100%total2 km
- 荒山沢ord 1len here2.22 km100%total2 km
- みかぐら沢ord 1len here2.22 km100%total2 km
- 南沢ord 1len here2.20 km32%total7 km
- 大鳥沢ord 1len here2.20 km100%total2 km
- モチバ沢川ord 1len here2.17 km100%total2 km
- 柳沢ord 1len here2.07 km100%total2 km
- 岩魚止沢ord 1len here2.04 km100%total2 km
- クロウ沢ord 2len here1.89 km100%total2 km
- アサユウ沢ord 1len here1.84 km100%total2 km
- 斧尻与作沢ord 3len here1.57 km33%total5 km
- 道行沢川ord 1len here1.46 km74%total2 km
- 上台倉沢ord 3len here1.45 km56%total3 km
- 平ヶ岳先ノ沢ord 1len here1.29 km100%total1 km
- 芝沢ord 1len here1.26 km100%total1 km
- 外柴倉沢ord 1len here1.26 km100%total1 km
- 中岩沢ord 1len here1.15 km100%total1 km
- 滝沢ord 3len here0.89 km16%total6 km
- 二岐沢ord 1len here0.69 km101%total1 km
- 水頭沢ord 2len here0.59 km100%total1 km
- 末沢川ord 2len here0.37 km4%total10 km
- 内柴倉沢ord 2len here0.26 km23%total1 km
- 佐梨川ord 2len here0.15 km3%total4 km
- トクサ沢ord 3len here0.09 km1%total7 km
- 一ノ沢川ord 3len here0.08 km4%total2 km
- 袖沢ord 2len here0.06 km1%total9 km
- 高石沢ord 3len here≈ tangenttotal1 km
- 長瀬沢川ord 2len here≈ tangenttotal2 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
- 37.12203, 139.10546
- 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.