Ontologia

Commune · CHE

Vella

Switzerland

DfcCold, no dry season, cold summer(64 %)

Species observed

2 057

Observations

22 320

Area

7,4km²

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 Vella : 14 espèces reliées par 120 interactions GloBI sur 5 types (connectance 25.8%, filtre Serrano α=0.2). 17 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
120
Connectance
0.258
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

2 057 distinct species · 22 320 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

22 320 obs · 1 cellules
Obs. / cellule
≥ 22 320
22 320–22 319
22 320–22 319
22 320–22 319
< 22 320

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

Climate

Mean T°

2,8°C

Annual rain

1 323mm

Warmest m°

17,2°C

Coldest m°

-12,3°C

Elevation: 1 590 m on average (min 972 m, max 1 987 m)

Bioclimatic detailsExpert
Annual mean temp.
2,8°C
Annual rain
1 323mm
Warmest month
17,2°C
Coldest month
-12,3°C
Mean alt.
1 590m
Min
972m
Max
1 987m
Std. dev.
242m
Köppen-Geiger (dominant)
DfcCold, no dry season, cold summer(64 %)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

83,3g/kg

Clay

21,1%

Sand

39,1%

Silt

39,7%

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

Dominant lithology: suGLiMaggregated to Surselva

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
125,2g/kg
Clay
22,2%
Sand
38,7%
Silt
39,0%
5–15 cm
pH H₂O
5,5
Org. C
79,8g/kg
Clay
21,2%
Sand
38,8%
Silt
40,0%
15–30 cm
pH H₂O
5,5
Org. C
44,8g/kg
Clay
19,8%
Sand
39,9%
Silt
40,2%

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

Land cover

Forest16.2%
Crops3.0%
Built-up0.4%
Bare soil3.3%
Other (grassland, water…)77.0%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

1 510km²

Discharge in basins

0,3m³/s

Mean precip.

1 639mm/an

Mean T°

1,6°C

Moisture idx

0,69

Max snow

47%

Mean runoff

1 219mm/an

Mean elev. (basins)

1 953m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

43,9%

Pesticides

42,7kg/km²

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

Protected areas11

IUCN IV · 11

Carrera

IUCN IV

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

0 km²

Kartitscha

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Piz Plauncas

IUCN IV

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

0 km²

Cuolm Sura

IUCN IV

Federal Inventory of Fenlands of National Importance · 1998

0 km²

Trutg

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