Ontologia

Commune · CHE

Ernen

Switzerland

DfcCold, no dry season, cold summer(52 %)

Species observed

2 716

Observations

19 148

Area

34,8km²

Ecological tissue

Sample of 26 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 Ernen : 13 espèces reliées par 142 interactions GloBI sur 5 types (connectance 30.5%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
142
Connectance
0.305
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

2 716 distinct species · 19 148 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

19 148 obs · 1 cellules
Obs. / cellule
≥ 19 148
19 148–19 147
19 148–19 147
19 148–19 147
< 19 148

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

Climate

Mean T°

1,0°C

Annual rain

1 828mm

Warmest m°

15,4°C

Coldest m°

-12,9°C

Elevation: 1 944 m on average (min 1 061 m, max 2 896 m)

Bioclimatic detailsExpert
Annual mean temp.
1,0°C
Annual rain
1 828mm
Warmest month
15,4°C
Coldest month
-12,9°C
Mean alt.
1 944m
Min
1 061m
Max
2 896m
Std. dev.
450m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(52 %)Cold

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

Soil & lithology

pH H₂O

5,7

Org. C

74,8g/kg

Clay

18,8%

Sand

45,1%

Silt

36,1%

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

Dominant lithology: mtGLiMaggregated to Goms

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
118,4g/kg
Clay
18,9%
Sand
44,7%
Silt
36,4%
5–15 cm
pH H₂O
5,7
Org. C
62,7g/kg
Clay
18,4%
Sand
45,2%
Silt
36,3%
15–30 cm
pH H₂O
5,8
Org. C
43,3g/kg
Clay
19,2%
Sand
45,4%
Silt
35,4%

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

Land cover

Forest29.1%
Crops0.2%
Built-up0.2%
Bare soil13.2%
Other (grassland, water…)57.4%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

13,5km

Basins crossed

1

Max stream order

3

Max drainage

987km²

Discharge in basins

1,7m³/s

Mean precip.

1 857mm/an

Mean T°

-0,2°C

Moisture idx

0,75

Max snow

56%

Mean runoff

1 425mm/an

Mean elev. (basins)

2 270m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

16,0%

Pesticides

2,1kg/km²

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

Protected areas4

IUCN Not Assigned · 2IUCN IV · 2

Twingi

IUCN Not Assigned

Forest Reserves · 2023

4 km²

Rappe

IUCN IV

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

0 km²

Binnegga

IUCN IV

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

0 km²

Binnegga

IUCN Not Assigned

Private Nature Reserves · 2018

0 km²

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