Ontologia

City · JPN

Nagahama

Japan

CfaTemperate, no dry season, hot summer(88 %)

Species observed

364

Observations

956

Area

142km²

Ecological tissue

Sample of 32 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 Nagahama : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 7.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
47
Connectance
0.079
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

364 distinct species · 956 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

956 obs · 5 cellules
Obs. / cellule
≥ 667
667–666
113–666
89–112
< 89

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

Climate

Mean T°

13,9°C

Annual rain

2 295mm

Warmest m°

28,5°C

Coldest m°

-1,9°C

Elevation: 278 m on average (min 84 m, max 1 011 m)

Bioclimatic detailsExpert
Annual mean temp.
13,9°C
Annual rain
2 295mm
Warmest month
28,5°C
Coldest month
-1,9°C
Mean alt.
278m
Min
84m
Max
1 011m
Std. dev.
243m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(88 %)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

67,3g/kg

Clay

30,9%

Sand

31,2%

Silt

37,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
102,9g/kg
Clay
30,7%
Sand
31,2%
Silt
38,1%
5–15 cm
pH H₂O
5,0
Org. C
63,4g/kg
Clay
31,1%
Sand
30,9%
Silt
38,0%
15–30 cm
pH H₂O
5,1
Org. C
35,5g/kg
Clay
30,8%
Sand
31,5%
Silt
37,7%

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

Land cover

Forest50.6%
Crops11.5%
Built-up5.7%
Bare soil0.8%
Other (grassland, water…)31.4%

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

Hydrology2 basins · 1 lakes · 11 rivers

Hydrology metrics for this exact territory

Stream length here

44,8km

Lake surface here

0,09km²

Basins crossed

2

Max stream order

4

Max drainage

2 541km²

Discharge in basins

4,7m³/s

Mean precip.

1 941mm/an

Mean T°

13,1°C

Moisture idx

0,51

Max snow

16%

Mean runoff

1 206mm/an

Mean elev. (basins)

315m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

2,4nW

Built-up

565,6%

Pesticides

105,6kg/km²

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

Protected areas7

IUCN IV · 4IUCN V · 2IUCN Not Reported · 1

Biwako

IUCN V

Quasi National Park · 1950

965 km²

Biwako

IUCN IV

Prefectural Wildlife Protection Area · 2021

729 km²

Biwa-ko

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1993

652 km²

Ibi

IUCN V

Prefectural Natural Park · 1972

531 km²

Azai

IUCN IV

Prefectural Wildlife Protection Area · 2021

17 km²

Complete list

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