Ontologia

Commune · CHE

Bivio

Switzerland

ETPolar, tundra(71 %)

Species observed

1 622

Observations

12 916

Area

75,6km²

Ecological tissue

Sample of 32 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 Bivio : 20 espèces reliées par 98 interactions GloBI sur 5 types (connectance 16.5%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
98
Connectance
0.165
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

1 622 distinct species · 12 916 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 916 obs · 2 cellules
Obs. / cellule
≥ 7 512
7 512–7 511
7 512–7 511
7 512–7 511
< 7 512

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

Climate

Mean T°

-1,6°C

Annual rain

1 652mm

Warmest m°

13,0°C

Coldest m°

-17,7°C

Elevation: 2 364 m on average (min 1 766 m, max 2 992 m)

Bioclimatic detailsExpert
Annual mean temp.
-1,6°C
Annual rain
1 652mm
Warmest month
13,0°C
Coldest month
-17,7°C
Mean alt.
2 364m
Min
1 766m
Max
2 992m
Std. dev.
269m
Köppen-Geiger (dominant)
ETPolar, tundra(71 %)Polar

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

Soil & lithology

pH H₂O

5,6

Org. C

59,1g/kg

Clay

17,8%

Sand

47,3%

Silt

34,9%

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
5,6
Org. C
91,0g/kg
Clay
18,2%
Sand
46,4%
Silt
35,5%
5–15 cm
pH H₂O
5,6
Org. C
54,6g/kg
Clay
17,3%
Sand
47,2%
Silt
35,4%
15–30 cm
pH H₂O
5,6
Org. C
31,5g/kg
Clay
17,9%
Sand
48,2%
Silt
33,9%

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

Land cover

Forest4.3%
Crops0.0%
Built-up0.0%
Bare soil20.7%
Other (grassland, water…)75.0%

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

Hydrology3 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

20,2km

Lake surface here

0,06km²

Basins crossed

3

Max stream order

2

Max drainage

1 681km²

Discharge in basins

2,4m³/s

Mean precip.

1 400mm/an

Mean T°

1,3°C

Moisture idx

0,65

Max snow

54%

Mean runoff

1 060mm/an

Mean elev. (basins)

2 071m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

2,8%

Pesticides

0,1kg/km²

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

Protected areas14

IUCN IV · 14

Tgavretga

IUCN IV

Federal Inventory of Fenlands of National Importance · 1996

0 km²

Mottas

IUCN IV

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

0 km²

Cuolmens

IUCN IV

Federal Inventory of Fenlands of National Importance · 1996

0 km²

Alp Tgavretga

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Plaz

IUCN IV

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

0 km²

Mot Scalotta

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Complete list

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