Common fishery right area(Hokkaido)
IUCN VICommon fishery right area · 2013
48 365 km²
Town · JPN
Iwanai
Japan
DfbCold, no dry season, warm summer(100 %)
Species observed
172
Observations
414
Area
69,8km²
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 Iwanai : 28 espèces reliées par 46 interactions GloBI sur 5 types (connectance 6.9%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
46
Connectance
0.069
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
172 distinct species · 414 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,0°C
Annual rain
2 373mm
Warmest m°
22,3°C
Coldest m°
-9,7°C
Elevation: 400 m on average (min -5 m, max 1 037 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,0°C
Annual rain
2 373mm
Warmest month
22,3°C
Coldest month
-9,7°C
Mean alt.
400m
Min
-5m
Max
1 037m
Std. dev.
300m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,2
Org. C
60,2g/kg
Clay
20,9%
Sand
44,3%
Silt
34,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: vbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,1
Org. C
81,4g/kg
Clay
21,7%
Sand
42,2%
Silt
36,1%
5–15 cm
pH H₂O
5,2
Org. C
63,1g/kg
Clay
21,1%
Sand
44,3%
Silt
34,5%
15–30 cm
pH H₂O
5,2
Org. C
36,1g/kg
Clay
20,0%
Sand
46,4%
Silt
33,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.6%
Crops3.8%
Built-up1.3%
Bare soil0.4%
Other (grassland, water…)25.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
12,2km
Basins crossed
2
Max stream order
3
Max drainage
1 619km²
Discharge in basins
0,2m³/s
Mean precip.
1 372mm/an
Mean T°
6,5°C
Moisture idx
0,48
Max snow
41%
Mean runoff
1 026mm/an
Mean elev. (basins)
325m
Watersheds crossing here
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
1,1nW
Built-up
133,4%
Pesticides
95,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN VI · 2IUCN II · 1🌊 Marine · 3
Minami shiribeshi
IUCN VICoastline Marine Resource Development Area, designated sea area · 1976
571 km²
Niseko-Shakotan-Otarukaigan
IUCN IIQuasi National Park · 1963
312 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN