Ontologia

City · JPN

Sendai

Japan

CfaTemperate, no dry season, hot summer(60 %)

Species observed

3 191

Observations

43 324

Area

788,6km²

Ecological tissue

Sample of 33 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 Sendai : 27 espèces reliées par 62 interactions GloBI sur 5 types (connectance 8.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
62
Connectance
0.088
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

3 191 distinct species · 43 324 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 324 obs · 22 cellules
Obs. / cellule
≥ 26 756
2 516–26 755
738–2 515
311–737
< 311

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

Climate

Mean T°

11,0°C

Annual rain

1 835mm

Warmest m°

25,9°C

Coldest m°

-5,6°C

Elevation: 294 m on average (min -14 m, max 1 299 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
1 835mm
Warmest month
25,9°C
Coldest month
-5,6°C
Mean alt.
294m
Min
-14m
Max
1 299m
Std. dev.
284m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(60 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,3

Org. C

54,7g/kg

Clay

23,2%

Sand

41,8%

Silt

35,0%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
75,6g/kg
Clay
23,5%
Sand
41,0%
Silt
35,5%
5–15 cm
pH H₂O
5,3
Org. C
51,9g/kg
Clay
23,8%
Sand
41,2%
Silt
35,0%
15–30 cm
pH H₂O
5,4
Org. C
36,6g/kg
Clay
22,2%
Sand
43,3%
Silt
34,6%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest56.6%
Crops5.7%
Built-up6.2%
Bare soil0.4%
Other (grassland, water…)31.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 3 lakes · 34 rivers

Hydrology metrics for this exact territory

Stream length here

275,4km

Lake surface here

2,03km²

Basins crossed

4

Max stream order

4

Max drainage

4 389km²

Discharge in basins

2,1m³/s

Mean precip.

1 340mm/an

Mean T°

10,9°C

Moisture idx

0,34

Max snow

31%

Mean runoff

832mm/an

Mean elev. (basins)

269m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (34, ord ≥ 4)

22 more river segments

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

Human pressure

Pop. density

9hab/km²

Night light

5,7nW

Built-up

624,2%

Pesticides

56,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas30

IUCN V · 15IUCN IV · 11IUCN Not Applicable · 3IUCN VI · 1🌊 Marine · 3

Zao

IUCN V

Quasi National Park · 1963

391 km²

Zao renpo

IUCN IV

Prefectural Wildlife Protection Area · 1984

275 km²

Sendai

IUCN IV

Prefectural Wildlife Protection Area · 2022

134 km²

Complete list

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