National Natural Monument · jpn
Towadako oyobi oirase keiryuu
- Area
- 118 km²
- IUCN cat.
- III
- Year
- 1952
Overview
- Designation
- National Natural Monument
- IUCN category
- III · Monument naturel
Caractéristique naturelle spécifique protégée
- Established
- 1952
- Managing authority
- Towada city Board of Education;Kosaka town
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
447 distinct species · 900 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Towadako oyobi oirase keiryuu : 23 espèces reliées par 43 interactions GloBI sur 3 types (connectance 8.7%, filtre Serrano α=0.2). 9 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 · 1 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
21,2km
Lake surface here
36,27km²
Basins crossed
3
Max stream order
3
Max drainage
2 437km²
Discharge in basins
2,6m³/s
Mean precip.
1 343mm/an
Mean T°
8,4°C
Moisture idx
0,39
Max snow
34%
Mean runoff
803mm/an
Mean elev. (basins)
347m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (9, ord ≥ 4)
- 寒沢ord 3len here8.13 km100%total8 km
- 宇樽部川ord 1len here4.15 km100%total4 km
- 惣部川ord 3len here1.93 km17%total11 km
- ソスペ川ord 3len here1.80 km37%total5 km
- 奥入瀬川ord 3len here1.40 km2%total66 km
- 甚九郎沢ord 1len here1.16 km26%total4 km
- 大川沢ord 1len here1.12 km31%total4 km
- 南樺沢ord 1len here0.92 km12%total8 km
- 鍋倉沢ord 2len here0.58 km20%total3 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
- 40.48757, 140.91496
- 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.