Sado-Yahiko-Yoneyama
IUCN VQuasi National Park · 1950
470 km²
Village · JPN
Japan
Species observed
280
Observations
610
Area
21,6km²
Sample of 27 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).
Tissu écologique de Yahiko : 26 espèces reliées par 24 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
280 distinct species · 610 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
13,9°C
Annual rain
2 204mm
Warmest m°
28,9°C
Coldest m°
-0,2°C
Elevation: 25 m on average (min 6 m, max 407 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,2
Org. C
57,6g/kg
Clay
31,4%
Sand
26,8%
Silt
41,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Stream length here
8,1km
Basins crossed
2
Max stream order
3
Max drainage
10 579km²
Discharge in basins
2,8m³/s
Mean precip.
2 018mm/an
Mean T°
12,3°C
Moisture idx
0,54
Max snow
17%
Mean runoff
1 431mm/an
Mean elev. (basins)
135m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
4hab/km²
Night light
1,8nW
Built-up
674,3%
Pesticides
100,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Quasi National Park · 1950
470 km²
Prefectural Wildlife Protection Area · 2012
29 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN