Ontologia

Commune · CHE

Alt St. Johann

Switzerland

DfcCold, no dry season, cold summer(53 %)

Species observed

4 015

Observations

64 337

Area

53km²

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 Alt St. Johann : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 132 interactions GloBI sur 5 types (connectance 17.8%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
39
Interactions affichées
132
Connectance
0.178
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

4 015 distinct species · 64 337 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

64 337 obs · 3 cellules
Obs. / cellule
≥ 41 110
41 110–41 109
41 110–41 109
13 373–41 109
< 13 373

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

Climate

Mean T°

3,8°C

Annual rain

2 271mm

Warmest m°

17,1°C

Coldest m°

-9,8°C

Elevation: 1 413 m on average (min 1 002 m, max 2 003 m)

Bioclimatic detailsExpert
Annual mean temp.
3,8°C
Annual rain
2 271mm
Warmest month
17,1°C
Coldest month
-9,8°C
Mean alt.
1 413m
Min
1 002m
Max
2 003m
Std. dev.
282m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(53 %)Cold

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

Soil & lithology

pH H₂O

5,4

Org. C

81,0g/kg

Clay

25,3%

Sand

34,1%

Silt

40,6%

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

Dominant lithology: suGLiMaggregated to Toggenburg

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
118,2g/kg
Clay
25,7%
Sand
33,9%
Silt
40,4%
5–15 cm
pH H₂O
5,4
Org. C
80,9g/kg
Clay
25,4%
Sand
34,1%
Silt
40,5%
15–30 cm
pH H₂O
5,4
Org. C
44,0g/kg
Clay
24,9%
Sand
34,2%
Silt
40,9%

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

Land cover

Forest28.4%
Crops9.4%
Built-up0.4%
Bare soil5.4%
Other (grassland, water…)56.3%

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

Hydrology2 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

17,6km

Basins crossed

2

Max stream order

3

Max drainage

2 407km²

Discharge in basins

2,0m³/s

Mean precip.

1 158mm/an

Mean T°

7,6°C

Moisture idx

0,36

Max snow

32%

Mean runoff

1 106mm/an

Mean elev. (basins)

783m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

44,2%

Pesticides

56,5kg/km²

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

Protected areas7

IUCN IV · 5IUCN Not Assigned · 1IUCN Ia · 1

Amden

IUCN Not Assigned

Forest Reserves · 2023

18 km²

Gräppelen

IUCN IV

Federal Inventory of Fenlands of National Importance · 1996

0 km²

Schären

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Schwendiseen

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Alplichopf

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2010

0 km²

Espel

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Complete list

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