Common fishery right area(Hokkaido)
IUCN VICommon fishery right area · 2013
48 365 km²
Town · JPN
Okushiri
Japan
DfbCold, no dry season, warm summer(83 %)
Species observed
158
Observations
1 003
Area
145,9km²
Ecological tissue
Sample of 36 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 Okushiri : 31 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 6 types (connectance 4.9%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
31
Connectance
0.049
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
158 distinct species · 1 003 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
8,1°C
Annual rain
1 965mm
Warmest m°
21,9°C
Coldest m°
-4,1°C
Elevation: 192 m on average (min -254 m, max 507 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
8,1°C
Annual rain
1 965mm
Warmest month
21,9°C
Coldest month
-4,1°C
Mean alt.
192m
Min
-254m
Max
507m
Std. dev.
133m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(83 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,1
Org. C
67,3g/kg
Clay
25,0%
Sand
37,7%
Silt
37,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,0
Org. C
93,4g/kg
Clay
24,9%
Sand
37,0%
Silt
38,2%
5–15 cm
pH H₂O
5,1
Org. C
62,8g/kg
Clay
25,3%
Sand
37,7%
Silt
37,0%
15–30 cm
pH H₂O
5,1
Org. C
45,8g/kg
Clay
25,0%
Sand
38,5%
Silt
36,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest70.8%
Crops4.9%
Built-up0.3%
Bare soil1.8%
Other (grassland, water…)22.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
18,5km
Basins crossed
1
Max stream order
1
Max drainage
933km²
Discharge in basins
1,5m³/s
Mean precip.
1 282mm/an
Mean T°
7,5°C
Moisture idx
0,47
Max snow
31%
Mean runoff
849mm/an
Mean elev. (basins)
281m
Watersheds crossing here
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,2nW
Built-up
25,7%
Pesticides
125,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas5
IUCN VI · 2IUCN IV · 2IUCN V · 1🌊 Marine · 4
Hiyama
IUCN VPrefectural Natural Park · 2003
171 km²
Okushiri
IUCN VICoastline Marine Resource Development Area, designated sea area · 1976
102 km²
Okushiri
IUCN IVPrefectural Wildlife Protection Area · 2006
66 km²
Okushirito
IUCN IVBiocenosis Protected Forest · 2018
23 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN