Ontologia

Commune · CHE

Saas Grund

Switzerland

ETPolar, tundra(80 %)

Species observed

1 344

Observations

10 636

Area

25,4km²

Ecological tissue

Sample of 15 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 Saas Grund : 11 espèces + 4 bulles famille, 22 interactions GloBI documentées sur 4 types (connectance 21.0%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
15
Interactions affichées
22
Connectance
0.209
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

1 344 distinct species · 10 636 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 636 obs · 1 cellules
Obs. / cellule
≥ 10 636
10 636–10 635
10 636–10 635
10 636–10 635
< 10 636

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

Climate

Mean T°

-4,6°C

Annual rain

1 508mm

Warmest m°

10,2°C

Coldest m°

-19,5°C

Elevation: 2 794 m on average (min 1 737 m, max 3 546 m)

Bioclimatic detailsExpert
Annual mean temp.
-4,6°C
Annual rain
1 508mm
Warmest month
10,2°C
Coldest month
-19,5°C
Mean alt.
2 794m
Min
1 737m
Max
3 546m
Std. dev.
539m
Köppen-Geiger (dominant)
ETPolar, tundra(80 %)Polar

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

Soil & lithology

pH H₂O

6,7

Org. C

72,8g/kg

Clay

15,9%

Sand

44,5%

Silt

39,6%

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

Dominant lithology: suGLiMaggregated to Visp

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
120,2g/kg
Clay
16,0%
Sand
43,8%
Silt
40,2%
5–15 cm
pH H₂O
6,7
Org. C
63,2g/kg
Clay
15,6%
Sand
44,0%
Silt
40,4%
15–30 cm
pH H₂O
6,7
Org. C
35,1g/kg
Clay
16,1%
Sand
45,6%
Silt
38,2%

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

Land cover

Forest7.3%
Crops0.0%
Built-up0.1%
Bare soil35.2%
Other (grassland, water…)57.4%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

2

Max stream order

3

Max drainage

1 883km²

Discharge in basins

0,9m³/s

Mean precip.

1 888mm/an

Mean T°

-1,1°C

Moisture idx

0,76

Max snow

57%

Mean runoff

1 152mm/an

Mean elev. (basins)

2 532m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

5,3%

Pesticides

2,1kg/km²

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

Protected areas4

IUCN Not Assigned · 2IUCN IV · 2

Hannig

IUCN IV

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

0 km²

Chalchofe

IUCN IV

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

0 km²

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