Tanzawa-Oyama
IUCN VQuasi National Park · 1965
276 km²
City · JPN
Isehara
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 824
Observations
10 677
Area
56,6km²
Ecological tissue
Sample of 41 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 Isehara : 33 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 69 interactions GloBI sur 5 types (connectance 8.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
69
Connectance
0.084
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 824 distinct species · 10 677 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,9°C
Annual rain
1 802mm
Warmest m°
27,5°C
Coldest m°
0,7°C
Elevation: 147 m on average (min 8 m, max 812 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,9°C
Annual rain
1 802mm
Warmest month
27,5°C
Coldest month
0,7°C
Mean alt.
147m
Min
8m
Max
812m
Std. dev.
182m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,5
Org. C
38,2g/kg
Clay
31,6%
Sand
35,6%
Silt
32,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
57,5g/kg
Clay
30,3%
Sand
36,6%
Silt
33,1%
5–15 cm
pH H₂O
5,5
Org. C
35,9g/kg
Clay
31,7%
Sand
35,7%
Silt
32,6%
15–30 cm
pH H₂O
5,6
Org. C
21,3g/kg
Clay
32,7%
Sand
34,6%
Silt
32,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest34.8%
Crops8.2%
Built-up10.4%
Bare soil0.8%
Other (grassland, water…)45.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
19,6km
Basins crossed
2
Max stream order
2
Max drainage
1 660km²
Discharge in basins
0,1m³/s
Mean precip.
1 673mm/an
Mean T°
14,4°C
Moisture idx
0,39
Max snow
10%
Mean runoff
887mm/an
Mean elev. (basins)
173m
Watersheds crossing here
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
14hab/km²
Night light
8,1nW
Built-up
1 041,2%
Pesticides
81,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN V · 3IUCN IV · 1
Tanzawa oyama
IUCN IVPrefectural Wildlife Protection Area · 2023
180 km²
Tanzawa oyama
IUCN VPrefectural Natural Park · 1997
113 km²
Oyama-Hinata
IUCN VPrefectural Nature Conservation Area · 1989
1 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN