Ontologia

Forest Ecosystem Reserve · jpn

Okuaizu

Ib · Zone de nature sauvage862 km²Established 2007
Key facts
Area
862 km²
IUCN cat.
Ib
Year
2007

Overview

Designation
Forest Ecosystem Reserve
IUCN category
Ib · Zone de nature sauvage

Aire protégée pour la wilderness, faible accès humain

Established
2007
Managing authority
Forestry Agency of Japan

Source : WDPA (UNEP-WCMC, World Database on Protected Areas).

Species present

1 081 distinct species · 4 301 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 37 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Okuaizu : 29 espèces reliées par 44 interactions GloBI sur 6 types (connectance 5.4%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
44
Connectance
0.054
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology9 basins · 4 lakes · 78 rivers

Hydrology metrics for this exact territory

Stream length here

205,8km

Lake surface here

0,22km²

Basins crossed

9

Max stream order

5

Max drainage

2 786km²

Discharge in basins

46,4m³/s

Mean precip.

1 878mm/an

Mean T°

7,8°C

Moisture idx

0,56

Max snow

46%

Mean runoff

1 106mm/an

Mean elev. (basins)

988m

Rivers / streams (78, ord ≥ 4)

66 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Location

Chargement de la carte…

Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)

Centroid
37.11140, 139.37058
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.