Ontologia

Commune · CHE

Kerns

Switzerland

DfcCold, no dry season, cold summer(43 %)

Species observed

3 311

Observations

30 409

Area

92,4km²

Ecological tissue

Sample of 38 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 Kerns : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 106 interactions GloBI sur 6 types (connectance 13.6%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
106
Connectance
0.136
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

3 311 distinct species · 30 409 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 409 obs · 3 cellules
Obs. / cellule
≥ 13 873
13 873–13 872
13 873–13 872
9 091–13 872
< 9 091

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

Climate

Mean T°

3,9°C

Annual rain

2 144mm

Warmest m°

16,9°C

Coldest m°

-9,0°C

Elevation: 1 458 m on average (min 473 m, max 2 333 m)

Bioclimatic detailsExpert
Annual mean temp.
3,9°C
Annual rain
2 144mm
Warmest month
16,9°C
Coldest month
-9,0°C
Mean alt.
1 458m
Min
473m
Max
2 333m
Std. dev.
544m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(43 %)Cold

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

69,3g/kg

Clay

25,4%

Sand

37,5%

Silt

37,1%

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

Dominant lithology: scGLiMaggregated to Obwalden

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
103,7g/kg
Clay
25,6%
Sand
37,3%
Silt
37,1%
5–15 cm
pH H₂O
5,6
Org. C
63,9g/kg
Clay
25,3%
Sand
37,5%
Silt
37,3%
15–30 cm
pH H₂O
5,6
Org. C
40,2g/kg
Clay
25,4%
Sand
37,6%
Silt
36,9%

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

Land cover

Forest32.9%
Crops5.0%
Built-up0.5%
Bare soil7.0%
Other (grassland, water…)54.6%

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

Hydrology3 basins · 2 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

19,4km

Lake surface here

0,42km²

Basins crossed

3

Max stream order

2

Max drainage

1 757km²

Discharge in basins

4,2m³/s

Mean precip.

1 434mm/an

Mean T°

5,5°C

Moisture idx

0,55

Max snow

57%

Mean runoff

1 219mm/an

Mean elev. (basins)

1 203m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

46,8%

Pesticides

12,0kg/km²

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

Protected areas29

IUCN IV · 23IUCN Not Assigned · 5IUCN Ia · 1

Hutstock

IUCN IV

Federal Hunting Reserves · 1992

35 km²

Chlisterli

IUCN Not Assigned

Forest Reserves · 2023

2 km²

Distelboden

IUCN IV

Federal Inventory of Fenlands of National Importance · 1996

0 km²

Arviwald

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Complete list

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