Arakawa nannbu
IUCN IVPrefectural Wildlife Protection Area · 2018
20 km²
City · JPN
Asaka
Japan
CfaTemperate, no dry season, hot summer(100 %)
Species observed
545
Observations
2 303
Area
18,1km²
Ecological tissue
Sample of 35 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 Asaka : 23 espèces reliées par 74 interactions GloBI sur 5 types (connectance 10.0%, filtre Serrano α=0.2). 16 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
74
Connectance
0.100
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
545 distinct species · 2 303 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,2°C
Annual rain
1 379mm
Warmest m°
29,9°C
Coldest m°
-1,6°C
Elevation: 18 m on average (min 4 m, max 42 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,2°C
Annual rain
1 379mm
Warmest month
29,9°C
Coldest month
-1,6°C
Mean alt.
18m
Min
4m
Max
42m
Std. dev.
9m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Land cover
Forest3.4%
Crops3.4%
Built-up21.7%
Bare soil0.3%
Other (grassland, water…)71.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
6,0km
Basins crossed
1
Max stream order
5
Max drainage
2 816km²
Discharge in basins
1,3m³/s
Mean precip.
1 438mm/an
Mean T°
14,9°C
Moisture idx
0,29
Max snow
1%
Mean runoff
679mm/an
Mean elev. (basins)
36m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
53hab/km²
Night light
24,5nW
Built-up
2 167,1%
Pesticides
43,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN V · 4IUCN IV · 2
Niiza
IUCN IVPrefectural Wildlife Protection Area · 2014
7 km²
Oka
IUCN VSpecial green space conservation districts · 2006
0 km²
Goudo
IUCN VSpecial green space conservation districts · 2014
0 km²
Daikammizu
IUCN VSpecial green space conservation districts · 2014
0 km²
Shinyashiki
IUCN VSpecial green space conservation districts · 2014
0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN