Ontologia

Special Ward · JPN

Katsushika

Japan

CfaTemperate, no dry season, hot summer(100 %)

Species observed

451

Observations

2 625

Area

38,2km²

Ecological tissue

Sample of 40 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 Katsushika : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 5 types (connectance 7.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
60
Connectance
0.073
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

451 distinct species · 2 625 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 625 obs · 1 cellules
Obs. / cellule
≥ 2 625
2 625–2 624
2 625–2 624
2 625–2 624
< 2 625

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

15,5°C

Annual rain

1 445mm

Warmest m°

29,6°C

Coldest m°

0,2°C

Elevation: 2 m on average (min 0 m, max 7 m)

Bioclimatic detailsExpert
Annual mean temp.
15,5°C
Annual rain
1 445mm
Warmest month
29,6°C
Coldest month
0,2°C
Mean alt.
2m
Min
0m
Max
7m
Std. dev.
1m
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)

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

13,4km

Basins crossed

4

Max stream order

5

Max drainage

3 456km²

Discharge in basins

18,5m³/s

Mean precip.

1 398mm/an

Mean T°

14,9°C

Moisture idx

0,27

Max snow

1%

Mean runoff

622mm/an

Mean elev. (basins)

17m

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Protected areas2

IUCN IV · 2

Mizumoto koen

IUCN IV

Prefectural Wildlife Protection Area · 2009

1 km²

Misato koen

IUCN IV

Prefectural Wildlife Protection Area · 2016

0 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN