Ontologia

Commune · CHE

Alvaschein

Switzerland

DfbCold, no dry season, warm summer(100 %)

Species observed

2 870

Observations

35 654

Area

4,2km²

Ecological tissue

Sample of 27 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 Alvaschein : 17 espèces reliées par 126 interactions GloBI sur 6 types (connectance 27.1%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
126
Connectance
0.271
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

2 870 distinct species · 35 654 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 654 obs · 1 cellules
Obs. / cellule
≥ 35 654
35 654–35 653
35 654–35 653
35 654–35 653
< 35 654

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

Climate

Mean T°

6,2°C

Annual rain

1 042mm

Warmest m°

20,6°C

Coldest m°

-9,5°C

Elevation: 1 149 m on average (min 1 031 m, max 1 404 m)

Bioclimatic detailsExpert
Annual mean temp.
6,2°C
Annual rain
1 042mm
Warmest month
20,6°C
Coldest month
-9,5°C
Mean alt.
1 149m
Min
1 031m
Max
1 404m
Std. dev.
94m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

18,1%

Sand

45,6%

Silt

36,3%

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

Dominant lithology: scGLiMaggregated to Albula

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
93,7g/kg
Clay
19,3%
Sand
44,8%
Silt
36,0%
5–15 cm
pH H₂O
5,5
Org. C
66,8g/kg
Clay
18,2%
Sand
45,6%
Silt
36,2%
15–30 cm
pH H₂O
5,6
Org. C
38,6g/kg
Clay
16,9%
Sand
46,5%
Silt
36,6%

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

Land cover

Forest52.8%
Crops4.2%
Built-up0.4%
Bare soil1.6%
Other (grassland, water…)41.0%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,5km

Basins crossed

1

Max stream order

4

Max drainage

1 681km²

Discharge in basins

0,1m³/s

Mean precip.

1 402mm/an

Mean T°

1,3°C

Moisture idx

0,65

Max snow

49%

Mean runoff

1 060mm/an

Mean elev. (basins)

2 068m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

38,3%

Pesticides

0,0kg/km²

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

Protected areas8

IUCN IV · 7IUCN Not Assigned · 1

Pargnung

IUCN IV

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

0 km²

Pas-cheus

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Nutatsch

IUCN IV

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

0 km²

Baselgia Viglia

IUCN IV

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

0 km²

Munter

IUCN IV

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

0 km²

Pas-cheus

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