Ontologia

Town · JPN

Rifu

Japan

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

Species observed

366

Observations

777

Area

40,2km²

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 Rifu : 30 espèces reliées par 60 interactions GloBI sur 5 types (connectance 7.3%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
41
Interactions affichées
60
Connectance
0.073
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

366 distinct species · 777 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

777 obs · 1 cellules
Obs. / cellule
≥ 777
777–776
777–776
777–776
< 777

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

Climate

Mean T°

12,4°C

Annual rain

1 461mm

Warmest m°

25,7°C

Coldest m°

-2,3°C

Elevation: 58 m on average (min 3 m, max 116 m)

Bioclimatic detailsExpert
Annual mean temp.
12,4°C
Annual rain
1 461mm
Warmest month
25,7°C
Coldest month
-2,3°C
Mean alt.
58m
Min
3m
Max
116m
Std. dev.
31m
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)

Soil & lithology

pH H₂O

5,6

Org. C

44,5g/kg

Clay

24,2%

Sand

39,6%

Silt

36,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
64,3g/kg
Clay
24,0%
Sand
38,7%
Silt
37,3%
5–15 cm
pH H₂O
5,6
Org. C
39,9g/kg
Clay
24,6%
Sand
39,3%
Silt
36,2%
15–30 cm
pH H₂O
5,6
Org. C
29,2g/kg
Clay
24,2%
Sand
40,8%
Silt
35,1%

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

Land cover

Forest51.5%
Crops7.4%
Built-up5.5%
Bare soil0.6%
Other (grassland, water…)35.0%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,1km

Lake surface here

0,14km²

Basins crossed

2

Max stream order

2

Max drainage

1 353km²

Discharge in basins

0,2m³/s

Mean precip.

1 340mm/an

Mean T°

10,9°C

Moisture idx

0,34

Max snow

17%

Mean runoff

837mm/an

Mean elev. (basins)

265m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

5,2nW

Built-up

552,3%

Pesticides

25,1kg/km²

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

Protected areas8

IUCN V · 4IUCN IV · 3IUCN VI · 1🌊 Marine · 3

Matsushima

IUCN IV

Prefectural Wildlife Protection Area · 2022

121 km²

Matsu shima

IUCN V

Prefectural Natural Park · 1902

111 km²

Kenminno mori

IUCN IV

Prefectural Wildlife Protection Area · 1968

14 km²

Kemmin no mori

IUCN V

Green Space Environment Conservation Area(Miyagi) · 1973

10 km²

Complete list

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