Chuo alps
IUCN VQuasi National Park · 2020
352 km²
Town · JPN
Iijima
Japan
DfbCold, no dry season, warm summer(45 %)
Species observed
414
Observations
657
Area
98,3km²
Ecological tissue
Sample of 22 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 Iijima : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 5 types (connectance 10.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
25
Connectance
0.108
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
414 distinct species · 657 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,7°C
Annual rain
1 983mm
Warmest m°
24,8°C
Coldest m°
-12,7°C
Elevation: 1 197 m on average (min 566 m, max 2 482 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,7°C
Annual rain
1 983mm
Warmest month
24,8°C
Coldest month
-12,7°C
Mean alt.
1 197m
Min
566m
Max
2 482m
Std. dev.
517m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(45 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,4
Org. C
62,2g/kg
Clay
26,7%
Sand
37,7%
Silt
35,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,4
Org. C
91,1g/kg
Clay
26,4%
Sand
37,9%
Silt
35,7%
5–15 cm
pH H₂O
5,4
Org. C
60,3g/kg
Clay
26,9%
Sand
37,3%
Silt
35,9%
15–30 cm
pH H₂O
5,4
Org. C
35,4g/kg
Clay
26,8%
Sand
37,9%
Silt
35,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.4%
Crops7.8%
Built-up1.6%
Bare soil0.6%
Other (grassland, water…)21.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
31,5km
Basins crossed
2
Max stream order
5
Max drainage
3 269km²
Discharge in basins
5,9m³/s
Mean precip.
1 881mm/an
Mean T°
9,3°C
Moisture idx
0,49
Max snow
20%
Mean runoff
1 071mm/an
Mean elev. (basins)
1 061m
Watersheds crossing here
Rivers / streams (8, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,4nW
Built-up
161,9%
Pesticides
109,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 4IUCN V · 2
Komagane kogen
IUCN IVPrefectural Wildlife Protection Area · 2014
38 km²
Tenryukoshibu suikei
IUCN VPrefectural Natural Park · 1970
26 km²
Chuoarupusu（Komagatake）
IUCN IVBiocenosis Protected Forest · 2018
23 km²
Ozimayama
IUCN IVPrefectural Wildlife Protection Area · 2016
9 km²
Sennin zuka
IUCN IVPrefectural Wildlife Protection Area · 2017
6 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN