Ontologia

Commune · CHE

Alvaneu

Switzerland

ETPolar, tundra(47 %)

Species observed

1 190

Observations

5 834

Area

35,4km²

Ecological tissue

Sample of 33 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 Alvaneu : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
33
Connectance
0.063
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

1 190 distinct species · 5 834 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 834 obs · 1 cellules
Obs. / cellule
≥ 5 834
5 834–5 833
5 834–5 833
5 834–5 833
< 5 834

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

Climate

Mean T°

0,5°C

Annual rain

1 686mm

Warmest m°

15,0°C

Coldest m°

-15,1°C

Elevation: 2 001 m on average (min 1 063 m, max 2 696 m)

Bioclimatic detailsExpert
Annual mean temp.
0,5°C
Annual rain
1 686mm
Warmest month
15,0°C
Coldest month
-15,1°C
Mean alt.
2 001m
Min
1 063m
Max
2 696m
Std. dev.
470m
Köppen-Geiger (dominant)
ETPolar, tundra(47 %)Polar

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

Soil & lithology

pH H₂O

5,3

Org. C

64,8g/kg

Clay

20,1%

Sand

41,3%

Silt

38,6%

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
5,2
Org. C
94,1g/kg
Clay
20,8%
Sand
40,8%
Silt
38,4%
5–15 cm
pH H₂O
5,3
Org. C
63,1g/kg
Clay
20,2%
Sand
41,0%
Silt
38,7%
15–30 cm
pH H₂O
5,3
Org. C
37,2g/kg
Clay
19,2%
Sand
42,2%
Silt
38,6%

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

Land cover

Forest20.8%
Crops0.8%
Built-up0.1%
Bare soil18.1%
Other (grassland, water…)60.2%

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

Hydrology2 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

12,6km

Basins crossed

2

Max stream order

4

Max drainage

4 871km²

Discharge in basins

2,0m³/s

Mean precip.

1 351mm/an

Mean T°

2,4°C

Moisture idx

0,60

Max snow

49%

Mean runoff

1 076mm/an

Mean elev. (basins)

1 846m

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

13,9%

Pesticides

0,0kg/km²

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

Protected areas6

IUCN IV · 4IUCN Not Assigned · 2

Crap furò

IUCN Not Assigned

Forest Reserves · 2023

1 km²

Zalaint

IUCN IV

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

0 km²

Tgolda

IUCN IV

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

0 km²

La Val

IUCN IV

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

0 km²

Son Gieri

IUCN IV

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

0 km²

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