Ontologia

Commune · CHE

Silenen

Switzerland

ETPolar, tundra(54 %)

Species observed

2 518

Observations

25 095

Area

141,3km²

Ecological tissue

Sample of 29 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 Silenen : 19 espèces reliées par 110 interactions GloBI sur 5 types (connectance 22.2%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
110
Connectance
0.222
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

2 518 distinct species · 25 095 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 095 obs · 4 cellules
Obs. / cellule
≥ 12 606
12 606–12 605
10 175–12 605
10 175–10 174
< 10 175

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

Climate

Mean T°

0,1°C

Annual rain

2 277mm

Warmest m°

14,0°C

Coldest m°

-14,0°C

Elevation: 2 017 m on average (min 552 m, max 2 962 m)

Bioclimatic detailsExpert
Annual mean temp.
0,1°C
Annual rain
2 277mm
Warmest month
14,0°C
Coldest month
-14,0°C
Mean alt.
2 017m
Min
552m
Max
2 962m
Std. dev.
579m
Köppen-Geiger (dominant)
ETPolar, tundra(54 %)Polar

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

Soil & lithology

pH H₂O

5,5

Org. C

66,4g/kg

Clay

21,8%

Sand

41,6%

Silt

36,6%

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

Dominant lithology: scGLiMaggregated to Uri

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
96,9g/kg
Clay
22,1%
Sand
41,3%
Silt
36,6%
5–15 cm
pH H₂O
5,5
Org. C
65,3g/kg
Clay
21,9%
Sand
41,4%
Silt
36,7%
15–30 cm
pH H₂O
5,6
Org. C
37,0g/kg
Clay
21,4%
Sand
42,2%
Silt
36,4%

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

Land cover

Forest17.7%
Crops0.5%
Built-up0.1%
Bare soil18.2%
Other (grassland, water…)63.6%

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

Hydrology3 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

43,3km

Basins crossed

3

Max stream order

4

Max drainage

2 407km²

Discharge in basins

6,0m³/s

Mean precip.

1 741mm/an

Mean T°

1,7°C

Moisture idx

0,70

Max snow

48%

Mean runoff

1 339mm/an

Mean elev. (basins)

1 880m

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

12,4%

Pesticides

28,0kg/km²

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

Protected areas19

IUCN IV · 17IUCN Not Assigned · 2

Fellital

IUCN IV

Federal Hunting Reserves · 1992

40 km²

Brunnifirn

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 2001

2 km²

Hüfifirn

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 1992

2 km²

Oberchäseren

IUCN IV

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

0 km²

Hanenspil

IUCN IV

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

0 km²

Complete list

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