Common fishery right area(Hokkaido)
IUCN VICommon fishery right area · 2013
48 365 km²
Town · JPN
Yoichi
Japan
DfbCold, no dry season, warm summer(100 %)
Species observed
233
Observations
1 328
Area
137,2km²
Ecological tissue
Sample of 32 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 Yoichi : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 14.5%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
86
Connectance
0.144
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
233 distinct species · 1 328 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,4°C
Annual rain
1 971mm
Warmest m°
23,4°C
Coldest m°
-8,1°C
Elevation: 201 m on average (min -15 m, max 625 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,4°C
Annual rain
1 971mm
Warmest month
23,4°C
Coldest month
-8,1°C
Mean alt.
201m
Min
-15m
Max
625m
Std. dev.
161m
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
5,0
Org. C
68,0g/kg
Clay
22,0%
Sand
42,0%
Silt
36,1%
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
4,9
Org. C
93,0g/kg
Clay
22,0%
Sand
41,3%
Silt
36,7%
5–15 cm
pH H₂O
5,0
Org. C
70,7g/kg
Clay
21,7%
Sand
41,8%
Silt
36,5%
15–30 cm
pH H₂O
5,1
Org. C
40,2g/kg
Clay
22,1%
Sand
42,9%
Silt
35,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest68.4%
Crops5.7%
Built-up1.3%
Bare soil0.3%
Other (grassland, water…)24.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
51,5km
Basins crossed
3
Max stream order
3
Max drainage
1 151km²
Discharge in basins
2,6m³/s
Mean precip.
1 354mm/an
Mean T°
6,6°C
Moisture idx
0,46
Max snow
40%
Mean runoff
1 008mm/an
Mean elev. (basins)
311m
Watersheds crossing here
Rivers / streams (14, ord ≥ 4)
- 畚部川ord 1len here9.56 km99%total10 km
- ヌッチ川ord 2len here8.53 km98%total9 km
- トノ沢ord 1len here6.32 km86%total7 km
- 登川ord 2len here4.24 km100%total4 km
- 小登川ord 1len here3.60 km100%total4 km
- 滝ノ沢ord 2len here3.60 km100%total4 km
- 余市川ord 3len here3.22 km10%total33 km
- 湯内川ord 2len here2.49 km65%total4 km
- 蘭島川ord 1len here2.31 km79%total3 km
- 後志種川ord 3len here2.04 km18%total11 km
- 豊丘中の川ord 1len here1.99 km100%total2 km
- 梅川ord 1len here1.95 km93%total2 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,9nW
Built-up
129,4%
Pesticides
51,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN VI · 2IUCN II · 1IUCN IV · 1🌊 Marine · 3
Kita shiribeshi
IUCN VICoastline Marine Resource Development Area, designated sea area · 1976
619 km²
Niseko-Shakotan-Otarukaigan
IUCN IIQuasi National Park · 1963
312 km²
Yoichi
IUCN IVPrefectural Wildlife Protection Area · 2006
3 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN