Ontologia

Commune · CHE

Arni

Switzerland

CfbTemperate, no dry season, warm summer(100 %)

Species observed

2 343

Observations

85 150

Area

3,4km²

Ecological tissue

Sample of 39 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 Arni : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 64 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
64
Connectance
0.086
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

2 343 distinct species · 85 150 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

85 150 obs · 1 cellules
Obs. / cellule
≥ 85 150
85 150–85 149
85 150–85 149
85 150–85 149
< 85 150

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

Climate

Mean T°

9,5°C

Annual rain

1 282mm

Warmest m°

22,3°C

Coldest m°

-2,5°C

Elevation: 584 m on average (min 531 m, max 632 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
1 282mm
Warmest month
22,3°C
Coldest month
-2,5°C
Mean alt.
584m
Min
531m
Max
632m
Std. dev.
17m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,3

Org. C

65,4g/kg

Clay

24,9%

Sand

37,0%

Silt

38,0%

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

Dominant lithology: suGLiMaggregated to Bremgarten

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
91,0g/kg
Clay
24,5%
Sand
37,0%
Silt
38,5%
5–15 cm
pH H₂O
6,4
Org. C
65,9g/kg
Clay
25,3%
Sand
37,2%
Silt
37,5%
15–30 cm
pH H₂O
6,5
Org. C
39,4g/kg
Clay
25,0%
Sand
36,9%
Silt
38,1%

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

Land cover

Forest28.4%
Crops26.6%
Built-up2.9%
Bare soil0.7%
Other (grassland, water…)41.4%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

3 435km²

Discharge in basins

1,7m³/s

Mean precip.

1 147mm/an

Mean T°

8,4°C

Moisture idx

0,34

Max snow

32%

Mean runoff

918mm/an

Mean elev. (basins)

599m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

2,0nW

Built-up

293,7%

Pesticides

52,8kg/km²

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