Quasi National Park · jpn
Tenryu-Okumikawa
- Area
- 259 km²
- IUCN cat.
- V
- Year
- 1969
Overview
- Designation
- Quasi National Park
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 1969
- Managing authority
- Nagano and Shizuoka and Aichi Prefecture
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
894 distinct species · 2 547 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 18 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 Tenryu-Okumikawa : 18 espèces reliées par 12 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology9 basins · 6 lakes · 54 rivers
Hydrology metrics for this exact territory
Stream length here
140,5km
Lake surface here
7,60km²
Basins crossed
9
Max stream order
5
Max drainage
5 155km²
Discharge in basins
51,7m³/s
Mean precip.
2 053mm/an
Mean T°
12,6°C
Moisture idx
0,52
Max snow
20%
Mean runoff
1 087mm/an
Mean elev. (basins)
563m
Watersheds crossing here
- Bassin de 豊川sub-area2 046,3 km²overlap71.44 km²28%
- Bassin de 天竜川sub-area183,3 km²overlap57.77 km²22%
- Bassin de 大千瀬川sub-area358,8 km²overlap43.92 km²17%
- Bassin de 天竜川sub-area1 755,7 km²overlap38.39 km²15%
- Bassin de 矢作川sub-area1 897,9 km²overlap23.09 km²9%
- Bassin de 気田川sub-area335 km²overlap8.78 km²3%
- Bassin de 水窪川sub-area339,7 km²overlap7.97 km²3%
- Bassin de 天竜川sub-area324,8 km²overlap7.51 km²3%
- Bassin de 遠山川sub-area343,9 km²overlap0.37 km²0%
Lakes (6, top by area)
Rivers / streams (54, ord ≥ 4)
- 天竜川ord 5len here57.83 km32%total183 km
- 万古川ord 2len here11.62 km100%total12 km
- 大入川ord 3len here8.60 km52%total17 km
- 宇連川ord 3len here8.42 km40%total21 km
- 気田川ord 3len here7.06 km15%total46 km
- 大千瀬川ord 4len here6.38 km18%total36 km
- 大沢ord 5len here4.62 km56%total8 km
- 芦沢ord 5len here3.26 km95%total3 km
- 白岩川ord 3len here2.89 km73%total4 km
- 牧ノ沢ord 5len here2.83 km45%total6 km
- 槇原川ord 1len here2.19 km77%total3 km
- 大津谷川ord 3len here2.02 km64%total3 km
42 more river segmentssorted by Strahler order + length
- 相知ヶ入川ord 4len here1.86 km46%total4 km
- 唐沢ord 1len here1.86 km100%total2 km
- 豊川ord 4len here1.76 km3%total53 km
- 漆島川ord 2len here1.65 km29%total6 km
- 浅間川ord 1len here1.44 km27%total5 km
- 阿多古川ord 2len here1.29 km9%total14 km
- 和知野川ord 3len here1.12 km4%total27 km
- 砥沢ord 1len here0.96 km59%total2 km
- 阿知川ord 3len here0.94 km4%total22 km
- 豊川用水ord 3len here0.91 km36%total3 km
- 栃木沢ord 1len here0.90 km100%total1 km
- 小沢川ord 2len here0.76 km7%total11 km
- 東薗目川ord 1len here0.76 km39%total2 km
- 門谷川ord 1len here0.70 km32%total2 km
- 井戸川ord 1len here0.69 km100%total1 km
- 真立川ord 1len here0.69 km18%total4 km
- 野々瀬川ord 1len here0.66 km18%total4 km
- 矢筈川ord 5len here0.62 km59%total1 km
- 八代沢ord 5len here0.50 km83%total1 km
- 古真立川ord 2len here0.40 km3%total12 km
- 西薗目川ord 1len here0.38 km8%total5 km
- 新開沢ord 1len here0.32 km10%total3 km
- 米川ord 2len here0.28 km2%total12 km
- 門原川ord 1len here0.20 km4%total5 km
- 栃中川ord 1len here0.17 km4%total5 km
- 小河内川ord 1len here0.15 km3%total5 km
- 牛ヶ爪川ord 2len here0.12 km3%total5 km
- 水窪川ord 3len here0.11 km0%total27 km
- 二俣川ord 2len here0.10 km1%total12 km
- 柿野沢川ord 1len here0.09 km3%total3 km
- 早木戸川ord 2len here0.09 km1%total10 km
- 大沢川ord 1len here0.06 km1%total10 km
- 横山川ord 1len here0.06 km1%total7 km
- 茂都計川ord 2len here0.05 km1%total7 km
- 大井川ord 1len here0.04 km2%total2 km
- 坂宇場川ord 3len here0.03 km0%total13 km
- 井口川ord 1len here0.01 km0%total2 km
- 左京川ord 1len here0.00 km0%total2 km
- 樋ヶ沢川ord 5len here≈ tangenttotal1 km
- 白倉川ord 2len here≈ tangenttotal8 km
- 境川ord 2len here≈ tangenttotal10 km
- 大沢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
- 35.01892, 137.62822
- 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.