Ontologia

Commune · CHE

Vrin

Switzerland

ETPolar, tundra(61 %)

Species observed

1 407

Observations

8 961

Area

70,8km²

Ecological tissue

Sample of 31 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 Vrin : 16 espèces reliées par 149 interactions GloBI sur 5 types (connectance 23.7%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
149
Connectance
0.236
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

1 407 distinct species · 8 961 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 961 obs · 1 cellules
Obs. / cellule
≥ 8 961
8 961–8 960
8 961–8 960
8 961–8 960
< 8 961

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

Climate

Mean T°

-0,8°C

Annual rain

2 241mm

Warmest m°

13,7°C

Coldest m°

-15,8°C

Elevation: 2 185 m on average (min 1 427 m, max 2 779 m)

Bioclimatic detailsExpert
Annual mean temp.
-0,8°C
Annual rain
2 241mm
Warmest month
13,7°C
Coldest month
-15,8°C
Mean alt.
2 185m
Min
1 427m
Max
2 779m
Std. dev.
331m
Köppen-Geiger (dominant)
ETPolar, tundra(61 %)Polar

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

Soil & lithology

pH H₂O

5,2

Org. C

75,9g/kg

Clay

22,6%

Sand

38,7%

Silt

38,7%

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
5,2
Org. C
108,5g/kg
Clay
23,8%
Sand
37,4%
Silt
38,9%
5–15 cm
pH H₂O
5,2
Org. C
76,3g/kg
Clay
22,4%
Sand
38,6%
Silt
39,0%
15–30 cm
pH H₂O
5,3
Org. C
43,0g/kg
Clay
21,7%
Sand
40,0%
Silt
38,3%

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

Land cover

Forest11.0%
Crops0.1%
Built-up0.0%
Bare soil16.6%
Other (grassland, water…)72.4%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

19,0km

Basins crossed

2

Max stream order

3

Max drainage

1 510km²

Discharge in basins

2,6m³/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

Built-up

3,1%

Pesticides

4,9kg/km²

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

Protected areas12

IUCN IV · 11IUCN Not Assigned · 1

Greina

IUCN IV

Federal Hunting Reserves · 1992

60 km²

Serenastga

IUCN Not Assigned

Forest Reserves · 2023

2 km²

Plaun la Greina

IUCN IV

Federal Inventory of Alluvial Zones of National Importance · 1992

0 km²

Val Tui

IUCN IV

Federal Inventory of Dry Grasslands and Pastures of National Importance · 2021

0 km²

Foppa

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