Ontologia

Village · JPN

Sekikawa

Japan

CfaTemperate, no dry season, hot summer(48 %)

Species observed

533

Observations

838

Area

299,3km²

Ecological tissue

Sample of 37 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 Sekikawa : 30 espèces reliées par 38 interactions GloBI sur 5 types (connectance 5.7%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
38
Connectance
0.057
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

533 distinct species · 838 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

838 obs · 9 cellules
Obs. / cellule
≥ 358
358–357
137–357
42–136
< 42

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

3 284mm

Warmest m°

27,2°C

Coldest m°

-4,9°C

Elevation: 392 m on average (min 30 m, max 1 603 m)

Bioclimatic detailsExpert
Annual mean temp.
11,0°C
Annual rain
3 284mm
Warmest month
27,2°C
Coldest month
-4,9°C
Mean alt.
392m
Min
30m
Max
1 603m
Std. dev.
282m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(48 %)Temperate

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

Soil & lithology

pH H₂O

5,1

Org. C

75,4g/kg

Clay

26,7%

Sand

34,7%

Silt

38,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
103,7g/kg
Clay
26,3%
Sand
34,4%
Silt
39,3%
5–15 cm
pH H₂O
5,1
Org. C
78,2g/kg
Clay
26,7%
Sand
34,1%
Silt
39,2%
15–30 cm
pH H₂O
5,1
Org. C
44,2g/kg
Clay
27,0%
Sand
35,5%
Silt
37,5%

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

Land cover

Forest80.8%
Crops3.6%
Built-up0.3%
Bare soil0.9%
Other (grassland, water…)14.5%

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

Hydrology3 basins · 2 lakes · 21 rivers

Hydrology metrics for this exact territory

Stream length here

116,9km

Lake surface here

0,59km²

Basins crossed

3

Max stream order

4

Max drainage

1 106km²

Discharge in basins

9,8m³/s

Mean precip.

1 842mm/an

Mean T°

9,9°C

Moisture idx

0,52

Max snow

36%

Mean runoff

984mm/an

Mean elev. (basins)

496m

Watersheds crossing here

Lakes (2, top by area)

Rivers / streams (21, ord ≥ 4)

9 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

28,6%

Pesticides

71,2kg/km²

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

Protected areas8

IUCN IV · 4IUCN V · 2IUCN II · 1IUCN Ib · 1

Iidesan

IUCN IV

Prefectural Wildlife Protection Area · 2017

137 km²

Kitamatadake

IUCN IV

Prefectural Wildlife Protection Area · 2020

91 km²

Complete list

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