Common fishery right area(Fukushima)
IUCN VICommon fishery right area · 2013
834 km²
Town · JPN
Ōkuma
Japan
CfaTemperate, no dry season, hot summer(97 %)
Species observed
226
Observations
955
Area
78,4km²
Ecological tissue
Sample of 25 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 Ōkuma : 20 espèces reliées par 30 interactions GloBI sur 2 types (connectance 9.2%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
30
Connectance
0.092
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
226 distinct species · 955 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,1°C
Annual rain
1 549mm
Warmest m°
27,0°C
Coldest m°
-1,7°C
Elevation: 229 m on average (min -4 m, max 618 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,1°C
Annual rain
1 549mm
Warmest month
27,0°C
Coldest month
-1,7°C
Mean alt.
229m
Min
-4m
Max
618m
Std. dev.
203m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(97 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,6
Org. C
47,0g/kg
Clay
24,8%
Sand
40,6%
Silt
34,6%
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
5,6
Org. C
65,0g/kg
Clay
24,3%
Sand
40,7%
Silt
35,0%
5–15 cm
pH H₂O
5,6
Org. C
44,9g/kg
Clay
25,5%
Sand
40,1%
Silt
34,3%
15–30 cm
pH H₂O
5,6
Org. C
31,1g/kg
Clay
24,5%
Sand
40,9%
Silt
34,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest69.0%
Crops7.3%
Built-up2.8%
Bare soil0.9%
Other (grassland, water…)20.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
27,7km
Lake surface here
0,15km²
Basins crossed
2
Max stream order
2
Max drainage
424km²
Discharge in basins
1,7m³/s
Mean precip.
1 360mm/an
Mean T°
11,8°C
Moisture idx
0,35
Max snow
15%
Mean runoff
706mm/an
Mean elev. (basins)
219m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,7nW
Built-up
279,2%
Pesticides
78,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 2IUCN VI · 1IUCN V · 1🌊 Marine · 2
Gomaizawa
IUCN IVPrefectural Wildlife Protection Area · 2008
2 km²
Okuma
IUCN IVPrefectural Wildlife Protection Area · 2006
0 km²
Kumagawa kaigan
IUCN VPrefectural Nature Conservation Area · 1974
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN