Prefectural Wildlife Protection Area · jpn
Hokudai nakagawa kenkyurin
- Area
- 194 km²
- IUCN cat.
- IV
- Year
- 2007
Overview
- Designation
- Prefectural Wildlife Protection Area
- IUCN category
- IV · Aire d'habitats / espèces
Gestion active pour maintenir habitats / espèces particuliers
- Established
- 2007
- Managing authority
- Hokkaido Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
565 distinct species · 5 184 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 Hokudai nakagawa kenkyurin : 23 espèces reliées par 19 interactions GloBI sur 4 types (connectance 6.3%, filtre Serrano α=0.2). 2 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 · 0 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
33,1km
Basins crossed
3
Max stream order
5
Max drainage
4 939km²
Discharge in basins
21,5m³/s
Mean precip.
1 248mm/an
Mean T°
5,3°C
Moisture idx
0,50
Max snow
48%
Mean runoff
877mm/an
Mean elev. (basins)
201m
Watersheds crossing here
Rivers / streams (15, ord ≥ 4)
- 琴平川ord 1len here5.50 km76%total7 km
- トヨマナイ川ord 1len here4.35 km72%total6 km
- 頓別坊川ord 5len here3.34 km61%total5 km
- 林道沢川ord 2len here3.16 km67%total5 km
- ペンケナイ川ord 1len here2.80 km67%total4 km
- 菅の沢川ord 1len here2.78 km68%total4 km
- 天北川ord 2len here2.69 km54%total5 km
- パンケナイ川ord 1len here2.35 km100%total2 km
- 音威子府川ord 3len here1.55 km15%total11 km
- サッコタン川ord 1len here1.38 km53%total3 km
- 宇戸内川ord 1len here1.06 km28%total4 km
- 山田の沢川ord 1len here0.82 km101%total1 km
3 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
- 44.81470, 142.23773
- 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.