Ontologia

Commune · CHE

Valzeina

Switzerland

DfbCold, no dry season, warm summer(85 %)

Species observed

3 195

Observations

26 307

Area

12,3km²

Ecological tissue

Sample of 20 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 Valzeina : 9 espèces reliées par 99 interactions GloBI sur 6 types (connectance 47.1%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
99
Connectance
0.471
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

3 195 distinct species · 26 307 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 307 obs · 1 cellules
Obs. / cellule
≥ 26 307
26 307–26 306
26 307–26 306
26 307–26 306
< 26 307

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

Climate

Mean T°

5,5°C

Annual rain

1 350mm

Warmest m°

19,8°C

Coldest m°

-10,0°C

Elevation: 1 164 m on average (min 700 m, max 1 706 m)

Bioclimatic detailsExpert
Annual mean temp.
5,5°C
Annual rain
1 350mm
Warmest month
19,8°C
Coldest month
-10,0°C
Mean alt.
1 164m
Min
700m
Max
1 706m
Std. dev.
204m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(85 %)Cold

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

Soil & lithology

pH H₂O

6,3

Org. C

54,9g/kg

Clay

22,8%

Sand

34,7%

Silt

42,5%

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

Dominant lithology: suGLiMaggregated to Prättigau/Davos

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
80,4g/kg
Clay
23,5%
Sand
34,3%
Silt
42,3%
5–15 cm
pH H₂O
6,4
Org. C
54,6g/kg
Clay
23,5%
Sand
33,9%
Silt
42,7%
15–30 cm
pH H₂O
6,5
Org. C
29,8g/kg
Clay
21,4%
Sand
36,0%
Silt
42,5%

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

Land cover

Forest55.1%
Crops1.5%
Built-up0.3%
Bare soil1.0%
Other (grassland, water…)42.1%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

8,4km

Basins crossed

1

Max stream order

3

Max drainage

4 871km²

Discharge in basins

1,2m³/s

Mean precip.

1 270mm/an

Mean T°

4,1°C

Moisture idx

0,51

Max snow

39%

Mean runoff

1 102mm/an

Mean elev. (basins)

1 496m

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

32,6%

Pesticides

58,2kg/km²

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

Protected areas10

IUCN IV · 6IUCN Not Assigned · 4

Sagenwald

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Chlus

IUCN Not Assigned

Forest Reserves · 2023

0 km²

Loch

IUCN IV

Federal Inventory of Fenlands of National Importance · 1994

0 km²

Sunniboden

IUCN IV

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

0 km²

Complete list

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